Impacts of Dams on Freshwater Turtles: A Global Review to Identify Conservation Solutions

Bárcenas-García, Andrea; Michalski, Fernanda; Morgan, William H.; Smith, Rebecca K.; Sutherland, William J.; Gibbs, James P.; Norris, Darren

doi:10.1177/19400829221103709

Cited by 28Turtle Biology and ConservationFish Ecology and Management StudiesEnvironmental Conservation and Management

Impacts of Dams on Freshwater Turtles: A Global Review to Identify Conservation Solutions

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Bárcenas-García, Andrea, Michalski, Fernanda, Morgan, William H., Smith, Rebecca K., Sutherland, William J., Gibbs, James P., Norris, Darren·2022·Tropical Conservation Science

DOI 10.1177/19400829221103709

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Abstract

Background and Research Aims: Dams impact freshwater ecosystems and biodiversity. Freshwater turtles are at direct and indirect risk due to changes caused by damming including the loss of terrestrial and aquatic nesting habitats, changes to food availability, and blocking movement. Effective management of these impacts requires robust evidence in order to gain an understanding of conservation solutions that work. Methods: We reviewed the global scientific literature that evaluated the impact of dams on freshwater turtles, and carried out additional searches of literature published in seventeen languages for studies evaluating actions to mitigate dam impacts. Results: The search produced 47 published articles documenting dam impacts on 30 freshwater turtle species from seven families (Chelidae, Chelydridae, Emydidae, Geoemydidae, Kinosternidae, Podocnemididae, and Trionychidae) in 13 countries. Few studies were found from Europe and Asia and none from Africa. Most studies were from temperate latitudes, where studies focused more on adults and less threatened species compared with tropical latitudes. More than half of the studies (57%, n = 27) suggested actions to help mitigate dam impacts. Yet, only five studies (three temperate and two tropical) documented the effect of interventions (dam removal, flow management, artificial pond maintenance and community-based action). Conclusion: These findings demonstrate a serious lack of documented evidence evaluating mitigation actions for dam impacts on freshwater turtles. Implications for Conservation: This lack of evidence reinforces the importance of strengthening and maintaining robust long-term studies needed to develop effective and adaptive conservation actions for this group of threatened vertebrates particularly in tropical regions.

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Background
Evidence Synthesis International (ESI): Position Statement
Gough, D., Davies, P., Jamtvedt, G., Langlois, E., Littell, J. H., Lotfi, T., Masset, E., Merlin, T., Pullin, A., Ritskes-Hoitinga, M., et al. (2020) · Systematic Reviews · doi:10.1186/s13643-020-01415-5 · Cited by 68 · cited 1× · see citing works
“All article titles and abstracts were read and screened independently by two authors (AB, DN) to retain studies that potentially included freshwater turtles and dams (Gough et al., 2020).”
Background
Fish ladders: safe fish passage or hotspot for predation?
Agostinho, A., Agostinho, C. S., Pelicice, F., & Marques, E. E. (2012) · Neotropical Ichthyology · doi:10.1590/s1679-62252012000400001 · Cited by 68 · cited 1× · see citing works
“There are examples of freshwater turtles using fish passes but not necessarily for movements, but rather as feeding locations (Agostinho et al., 2012).”
Background
Mapping research on hydropower and sustainability in the Brazilian Amazon: advances, gaps in knowledge and future directions
Athayde, S. F. D., Mathews, M. C., Bohlman, S., Brasil, W. B., Dória, C. R. D. C., Dutka‐Gianelli, J., Fearnside, P. M., Loiselle, B. A., Marques, E. E., Melis, T. S., et al. (2019) · Current Opinion in Environmental Sustainability · doi:10.1016/j.cosust.2019.06.004 · Cited by 66 · cited 1× · see citing works
“All articles were classified into thematic areas (Table 1) based on the anthropic threats identified in the literature (Alho, 2011; Athayde et al., 2019; Lees et al., 2016; Winemiller et al., 2016).”
Background
Amazon floodplain hydrology and implications for aquatic conservation
Melack, J. M., & Coe, M. T. (2021) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.3558 · Cited by 65 · see citing works
Linking reservoir ecosystems research to the sustainable development goals.
Guo, Z.-F., Boeing, W. J., Borgomeo, E., Xu, Y., & Weng, Y. (2021) · Science of the Total Environment · doi:10.1016/j.scitotenv.2021.146769 · Cited by 64 · cited 2× · see citing works
“…ecological functions, environmental authorities must conduct more robust and rigorous Environmental Impact Assessments (Norris et al., 2018a), as well as provide support to supervise compliance with mitigation actions and monitoring effectiveness (Guo et al., 2021; Valiente-Banuet et al., 2015).”
Background
Hydroelectric potential and environmental effects of multidam hydropower projects in Turkey
Berkun, M. (2010) · doi:10.1016/j.esd.2010.09.003 · Cited by 62
Mercury exposure
Otto, M., Ahlemeyer, C., Tasche, H., & von Mühlendahl, K. V. (1994) · Nature · doi:10.1038/367110b0 · Cited by 61 · cited 4×
“Methylmercury is an extremely toxic contaminant that can be highly damaging to people (Budnik & Casteleyn, 2019) and aquatic vertebrates including turtles (Green et al., 2010; Meyer et al., 2014).”
BackgroundInfluential
Spatial and temporal extinction dynamics in a freshwater cetacean
Turvey, S., Barrett, L. A., Hart, T., Collen, B., Hao, Y., Zhang, L., Zhang, X.-Q., Wang, X.-Y., Huang, Y.-D., Zhou, K., et al. (2010) · Proceedings of the Royal Society of London. Biological Sciences · doi:10.1098/rspb.2010.0584 · Cited by 58
The impact of hydroelectric dams on mercury dynamics in South America: A review.
Pestana, I. A., Azevedo, L. S., Bastos, W., & de Souza, C. M. M. (2019) · Chemosphere · doi:10.1016/j.chemosphere.2018.12.035 · Cited by 55
Trace Elements in Egg Contents and Egg Shells of Slider Turtles (Trachemys scripta) from the Savannah River Site
Burger, J., & Gibbons, J. (1998) · Archives of Environmental Contamination and Toxicology · doi:10.1007/s002449900334 · Cited by 55 · cited 1×
“…and bioaccumulation have been intensely studied around dams (Millera Ferriz et al., 2021; Wang et al., 2004) and in turtles from temperate (Burger & Gibbons, 1998; Meyer et al., 2014; Slimani et al., 2018) and tropical regions (Eggins et al., 2015; Schneider et al., 2009; Schneider et…”
Background
Damming Amazon Rivers: Environmental impacts of hydroelectric dams on Brazil’s Madeira River according to local fishers’ perception
Santos, R. E., Pinto‐Coelho, R. M., Drumond, M. A., Fonseca, R., & Zanchi, F. B. (2020) · AMBIO · doi:10.1007/s13280-020-01316-w · Cited by 55 · see citing works
Dams in the Amazon: The importance of maintaining free‐flowing tributaries for fish reproduction
Vasconcelos, L. P., Alves, D. C., da Câmara, L. F., & Hahn, L. (2020) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.3465 · Cited by 54 · see citing works
Substituted diphenylamine antioxidants and benzotriazole UV stabilizers in blood plasma of fish, turtles, birds and dolphins from North America.
Lu, Z., Silva, A. D. D., Zhou, W.-J., Tetreault, G., de Solla, S. D., Fair, P., Houde, M., Bossart, G., & Muir, D. (2019) · Science of the Total Environment · doi:10.1016/j.scitotenv.2018.07.405 · Cited by 51
REPRODUCTIVE DYNAMICS OF A TURTLE (PSEUDEMYS SCRIPTA) POPULATION IN A RESERVOIR RECEIVING HEATED EFFLUENT FROM A NUCLEAR REACTOR.
Gibbons, J. (1970) · doi:10.1139/z70-154 · Cited by 51 · cited 5×
“A study from the USA (Stone et al., 2014) demonstrated the potential of volunteers to help implement actions (dam repair and silt removal) to maintain artificial impoundments for the Sonora mud turtle (Kinosternon sonoriense).”
BackgroundInfluential
Defining freshwater as a natural resource: a framework linking water use to the area of protection natural resources
Pradinaud, C., Northey, S. A., Amor, B., Bare, J., Benini, L., Berger, M., Boulay, A., Junqua, G., Lathuillière, M., Margni, M., et al. (2019) · The International Journal of Life Cycle Assessment · doi:10.1007/s11367-018-1543-8 · Cited by 49 · see citing works
Protecting Endangered Species: Do the Main Legislative Tools Work?
Gibbs, K. E., & Currie, D. (2012) · PLoS ONE · doi:10.1371/journal.pone.0035730 · Cited by 48 · cited 1× · see citing works
“This pattern follows worrying trends where for threatened species, only a small proportion of available budgets are implemented, with an example from the US demonstrating that only a small fraction of proposed management tasks for species recovery are achieved (Gibbs & Currie, 2012).”
Background
Long-Term Turtle Declines: Protected Is a Verb, Not an Outcome
Howell, H. J., Legere, R., Holland, D. S., & Seigel, R. (2019) · Copeia · doi:10.1643/ch-19-177 · Cited by 44
Community involvement works where enforcement fails: conservation success through community-based management of Amazon river turtle nests
Norris, D., Michalski, F., & Gibbs, J. (2018) · PeerJ · doi:10.7717/peerj.4856 · Cited by 42 · see citing works
Self-citation
Comparative Demography of Clemmys marmorata Populations in the Trinity River of California in the Context of Dam-induced Alterations
Reese, D. A., & Welsh, H. (1998) · doi:10.2307/1565204 · Cited by 42
Spatial Ecology and Population Genetics of Northern Map Turtles (Graptemys geographica) in Fragmented and Continuous Habitats in Canada
Bennett, A. M., Keevil, M. G., & Litzgus, J. (2010) · doi:10.2744/ccb-0824.1 · Cited by 41 · cited 3×
“…at a genetic level can however take several generations and depending on the species can require many decades if not centuries for the changes to manifest (Bennett et al., 2010; Gaillard et al., 2015; Kiesow & Warcken, 2017; Reinertsen et al., 2016; Turcotte et al., 2022; Ward et al., 2013).”
BackgroundInfluential
Systematic review of reptile reproductive toxicology to inform future research directions on endangered or threatened species, such as sea turtles
Barraza, A. D., Finlayson, K. A., Leusch, F. D. L., & van de Merwe, J. P. (2021) · Environmental Pollution · doi:10.1016/j.envpol.2021.117470 · Cited by 40 · see citing works
Improving scientific impact: How to practice science that influences environmental policy and management
Fisher, J. R. B., Wood, S. A., Bradford, M. A., & Kelsey, R. (2020) · Conservation Science and Practice · doi:10.1111/csp2.210 · Cited by 40 · see citing works
Beyond harm’s reach? Submersion of river turtle nesting areas and implications for restoration actions after Amazon hydropower development
Norris, D., Michalski, F., & Gibbs, J. P. (2018) · PeerJ · doi:10.7717/peerj.4228 · Cited by 40 · cited 10× · see citing works
“In Brazil, the filling of a hydropower dam reservoir resulted in the flooding and loss of 3.9 hectares of nesting habitats and areas used by the yellow-spotted river turtle Podocnemis unifilis (Norris et al., 2018a).”
BackgroundInfluentialSelf-citation
Priorities for the trade of less charismatic freshwater turtle and tortoise species
Sigouin, A., Pinedo-Vasquez, M., Nasi, R., Poole, C., Horne, B. D., & Lee, T.-M. (2017) · Journal of Applied Ecology · doi:10.1111/1365-2664.12797 · Cited by 39 · cited 1× · see citing works
“…cultural, medicinal and economic resources across the globe (Haitao et al., 2008; Liu et al., 2020; Lovich et al., 2018; Mendiratta et al., 2017; Sigouin et al., 2017; TTWG et al., 2017) but also provide inspiration for the development of 21st century biomimetic robotics (Kim et al., 2012;…”
Background
Just Aquatic Governance: The Amazon basin as fertile ground for aligning participatory conservation with social justice
Lopes, P. F. M., Freitas, C. T., Hallwass, G., Silvano, R. A. M., Begossi, A., & Campos‐Silva, J. V. (2021) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.3586 · Cited by 39 · see citing works
Evaluating how we evaluate success: Monitoring, evaluation and adaptive management in Payments for Watershed Services programs
Brownson, K., & Fowler, L. (2020) · Land Use Policy · doi:10.1016/j.landusepol.2020.104505 · Cited by 39 · cited 1× · see citing works
“Another strategy would be to implement community management to regain the cultural, economic, ecological, political and social values of the communities over their natural resources (Brownson & Fowler, 2020; Campos-Silva et al., 2018; Harper et al., 2021; Lopes et al., 2021).”
Background
Mercury bioacumulation in four tissues of Podocnemis erythrocephala (Podocnemididae: Testudines) as a function of water parameters.
Schneider, L., Belger, L., Burger, J., & Vogt, R. (2009) · Science of the Total Environment · doi:10.1016/j.scitotenv.2008.09.049 · Cited by 38
Quelônios aquáticos da Amazônia: um recurso ameaçado
Smith, N. J. H. (1979) · doi:10.1590/1809-43921979091087 · Cited by 38
Analysis of type I and II error rates of Bayesian and frequentist parametric and nonparametric two-sample hypothesis tests under preliminary assessment of normality
Kelter, R. (2020) · Computational Statistics · doi:10.1007/s00180-020-01034-7 · Cited by 38 · see citing works
Dams, Chinese investments, and EIAs: A race to the bottom in South America?
Gerlak, A. K., Saguier, M. I., Mills‐Novoa, M., Fearnside, P. M., & Albrecht, T. R. (2019) · AMBIO · doi:10.1007/s13280-018-01145-y · Cited by 37 · see citing works
Mercury concentrations in different tissues of turtle and caiman species from the Rio Purus, Amazonas, Brazil
Eggins, S., Schneider, L., Krikowa, F., Vogt, R., Silveira, R. D., & Maher, W. (2015) · Environmental Toxicology and Chemistry · doi:10.1002/etc.3151 · Cited by 36 · cited 1×
“…and bioaccumulation have been intensely studied around dams (Millera Ferriz et al., 2021; Wang et al., 2004) and in turtles from temperate (Burger & Gibbons, 1998; Meyer et al., 2014; Slimani et al., 2018) and tropical regions (Eggins et al., 2015; Schneider et al., 2009; Schneider et al., 2010).”
Background
Vulnerability of Giant South American Turtle (Podocnemis expansa) nesting habitat to climate-change-induced alterations to fluvial cycles
Eisemberg, C., Balestra, R. A. M., Famelli, S., Pereira, F. F., Bernardes, V. C. D., & Vogt, R. C. (2016) · doi:10.1177/1940082916667139 · Cited by 35 · cited 7×
“In Brazil, the filling of a hydropower dam reservoir resulted in the flooding and loss of 3.9 hectares of nesting habitats and areas used by the yellow-spotted river turtle Podocnemis unifilis (Norris et al., 2018a).”
BackgroundInfluential
From Mexico to the Beagle Channel: A review of metal and metalloid pollution studies on wildlife species in Latin America.
Marzio, A. D., Lambertucci, S. A., García-Fernández, A. J., & Martínez-López, E. (2019) · Environmental Research · doi:10.1016/j.envres.2019.04.029 · Cited by 34 · see citing works
Mercury exposure associated with altered plasma thyroid hormones in the declining western pond turtle (Emys marmorata) from California mountain streams.
Meyer, E., Eagles-Smith, C., Sparling, D., & Blumenshine, S. (2014) · Environmental Science and Technology · doi:10.1021/es4050538 · Cited by 34 · cited 2×
“Methylmercury is an extremely toxic contaminant that can be highly damaging to people (Budnik & Casteleyn, 2019) and aquatic vertebrates including turtles (Green et al., 2010; Meyer et al., 2014).”
Background
Mercury Levels in Muscle of Six Species of Turtles Eaten by People Along the Rio Negro of the Amazon Basin
Schneider, L., Belger, L., Burger, J., Vogt, R., & Ferrara, C. R. (2010) · Archives of Environmental Contamination and Toxicology · doi:10.1007/s00244-009-9358-z · Cited by 34
Continuing problems for Amazon river turtles
Johns, A. D. (1987) · Oryx · doi:10.1017/s0030605300020445 · Cited by 34
Modelling and implementation of soft bio-mimetic turtle using echo state network and soft pneumatic actuators
Soliman, M., Mousa, M., Saleh, M. A., Elsamanty, M., & Radwan, A. G. (2021) · Scientific Reports · doi:10.1038/s41598-021-91136-z · Cited by 32 · cited 1× · see citing works
“…and economic resources across the globe (Haitao et al., 2008; Liu et al., 2020; Lovich et al., 2018; Mendiratta et al., 2017; Sigouin et al., 2017; TTWG et al., 2017) but also provide inspiration for the development of 21st century biomimetic robotics (Kim et al., 2012; Soliman et al., 2021).”
Background
Evidence of counter‐gradient growth in western pond turtles (Actinemys marmorata) across thermal gradients
Snover, M., Adams, M. J., Ashton, D. T., Bettaso, J., & Welsh, H. (2015) · doi:10.1111/fwb.12623 · Cited by 32 · cited 2×
“In contrast, dammed rivers with cooler temperatures delayed reproductive maturity by 9 years in western pond turtles [Actinemys marmorata, (Snover et al., 2015)].”
Background
Role of organic matter and microbial communities in mercury retention and methylation in sediments near run-of-river hydroelectric dams.
Ferriz, L. M., Ponton, D., Storck, V., Leclerc, M., Bilodeau, F., Walsh, D., & Amyot, M. (2021) · Science of the Total Environment · doi:10.1016/j.scitotenv.2021.145686 · Cited by 31 · cited 2× · see citing works
“Patterns of mercury and methylmercury contamination and bioaccumulation have been intensely studied around dams (Millera Ferriz et al., 2021; Wang et al., 2004) and in turtles from temperate (Burger & Gibbons, 1998; Meyer et al., 2014; Slimani et al., 2018) and tropical regions (Eggins et al.,…”
Background
Implications of river damming: the influence of aquatic hypoxia on the diving physiology and behaviour of the endangered Mary River turtle
Clark, N., Gordos, M. A., & Franklin, C. E. (2009) · doi:10.1111/j.1469-1795.2009.00234.x · Cited by 31 · cited 2×
“While changes in water quality could also provide potential benefits, this varied between turtle species studied (Clark et al., 2009; Selman & Jones, 2017; Snover et al., 2015).”
Background
Enforcement seizures reveal large-scale illegal trade in India's tortoises and freshwater turtles
Mendiratta, U., Sheel, V., & Singh, S. (2017) · Biological Conservation · doi:10.1016/j.biocon.2017.01.023 · Cited by 30 · cited 1× · see citing works
“…only provide highly valued cultural, medicinal and economic resources across the globe (Haitao et al., 2008; Liu et al., 2020; Lovich et al., 2018; Mendiratta et al., 2017; Sigouin et al., 2017; TTWG et al., 2017) but also provide inspiration for the development of 21st century biomimetic…”
Background
Injury Rates of Freshwater Turtles on a Recreational Waterway in Ontario, Canada
Bennett, A. M., & Litzgus, J. (2014) · doi:10.1670/12-161 · Cited by 30
Framing natural assets for advancing sustainability research: translating different perspectives into actions
Martinez‐Harms, M. J., Gelcich, S., Krug, R. M., Maseyk, F. J. F., Moersberger, H., Rastogi, A., Wambugu, G. M., Krug, C. B., Spehn, E. M., & Pascual, U. (2018) · Sustainability Science · doi:10.1007/s11625-018-0599-5 · Cited by 29 · see citing works
Where Lakes Were Once Rivers: Contrasts of Freshwater Turtle Diets in Dams and Rivers of Southeastern Queensland
Tucker, A. D., Guarino, F., & Priest, T. (2012) · doi:10.2744/ccb-0906.1 · Cited by 27 · cited 3×
“Damming reduced ingestion of subaquatic plants and fruits by Emydura kreffti and Elseya albagula and Myuchelys latisternum showed a diminished ingestion of aquatic invertebrates in impacted habitats (Tucker et al., 2012).”
Background
Large-scale geographic patterns of mercury contamination in Morocco revealed by freshwater turtles
Slimani, T., Hassani, M. S. E., Mouden, E. E. E., Bonnet, M., Bustamante, P., Brischoux, F., Brault-Favrou, M., & Bonnet, X. (2017) · Environmental science and pollution research international · doi:10.1007/s11356-017-0643-5 · Cited by 27
Impacts of river alteration for flood control on freshwater turtle populations
Usuda, H., Morita, T., & Hasegawa, M. (2010) · Landscape and Ecological Engineering · doi:10.1007/s11355-010-0136-x · Cited by 27
Use of river-wetland habitats in a declining population of the terrapin (Mauremys rivulata) along the Strymon River, northern Greece
Chelazzi, G., Naziridis, T., Benvenuti, S., Ugolini, A., & Crivelli, A. (2007) · Journal of Zoology · doi:10.1111/j.1469-7998.2006.00193.x · Cited by 26 · see citing works
Bending the curve
Gallopin, G., & Raskin, P. (2002) · doi:10.4324/9780203166260_chapter_5 · Cited by 26
Impact of extreme floods on plants considering various influencing factors downstream of Luhun Reservoir, China.
Zhang, Y.-D., Li, Z., Ge, W., Chen, X.-D., Xu, H.-Y., Guo, X.-Y., & Wang, T. (2021) · Science of the Total Environment · doi:10.1016/j.scitotenv.2021.145312 · Cited by 25
E-commerce promotes trade in invasive turtles in China
Liu, S., Newman, C., Buesching, C., Macdonald, D., Zhang, Y., Zhang, K.-J., Li, F., & Zhou, Z.-M. (2020) · Oryx · doi:10.1017/s0030605319001030 · Cited by 25 · cited 1× · see citing works
“…instantly recognizable group that not only provide highly valued cultural, medicinal and economic resources across the globe (Haitao et al., 2008; Liu et al., 2020; Lovich et al., 2018; Mendiratta et al., 2017; Sigouin et al., 2017; TTWG et al., 2017) but also provide inspiration for the…”
Background
Land use surrounding wetlands influences urban populations of a freshwater turtle
Santoro, A., Chambers, J., Robson, B., & Beatty, S. (2020) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.3324 · Cited by 24 · see citing works
Prospects for freshwater turtle population recovery are catalyzed by pan-Amazonian community-based management
Norris, D., Peres, C., Michalski, F., & Gibbs, J. (2019) · Biological Conservation · doi:10.1016/j.biocon.2019.02.022 · Cited by 24 · cited 3×
“Such actions should be supported by additional research to establish if population recruitment is occurring and provide more robust estimates of turtle population dynamics particularly in the tropics (Norris et al., 2019; Rachmansah et al., 2020).”
BackgroundSelf-citation
A Meta-Analysis of Environmental Tradeoffs of Hydropower Dams in the Sekong, Sesan, and Srepok (3S) Rivers of the Lower Mekong Basin
Null, S., Farshid, A., Goodrum, G., Gray, C. A., Lohani, S., Morrisett, C. N., Prudencio, L., & Sor, R. (2020) · Water · doi:10.3390/w13010063 · Cited by 23
On the future of the giant South American river turtle Podocnemis expansa
Forero-Medina, G., Ferrara, C. R., Vogt, R., Fagundes, C., Balestra, R. A., Andrade, P. C. M., Lacava, R., Bernhard, R., Lipman, A., Lenz, A., et al. (2019) · Oryx · doi:10.1017/s0030605318001370 · Cited by 23
Population dynamics and biological feasibility of sustainable harvesting as a conservation strategy for tropical and temperate freshwater turtles
Rachmansah, A., Norris, D., & Gibbs, J. (2019) · bioRxiv · doi:10.1371/journal.pone.0229689 · Cited by 22 · see citing works
Self-citation
A Comparison of the Population Genetic Structure and Diversity between a Common (Chrysemys p. picta) and an Endangered (Clemmys guttata) Freshwater Turtle
Buchanan, S. W., Kolbe, J., Wegener, J., Atutubo, J. R., & Karraker, N. (2019) · Diversity · doi:10.3390/d11070099 · Cited by 21 · cited 1× · see citing works
“These are factors that, together, have implications on population recruitment (Bennett et al., 2010; Buchanan et al., 2019; Gallego-García et al., 2018; Ihlow et al., 2014).”
Background
Major global changes interact to cause male-biased sex ratios in a reptile with temperature-dependent sex determination
Thompson, M., Coe, B. H., Andrews, R., Stauffer, D., Cristol, D. A., Crossley, D., & Hopkins, W. A. (2018) · Biological Conservation · doi:10.1016/j.biocon.2018.03.006 · Cited by 21 · see citing works
Igapó (Black-water flooded forests) of the Amazon Basin
Parolin, P. (2018) · Cambridge International Law Journal · doi:10.1007/978-3-319-90122-0 · Cited by 21
Ecology and Status of the Magdalena River Turtle, Podocnemis lewyana, a Colombian Endemic
Gallego-García, N., & Castaño-Mora, O. V. (2008) · doi:10.2744/ccb-0643.1 · Cited by 20 · cited 2×
“2) and only two studies included all three life-stages of the same species (Chelazzi et al., 2007; Gallego-García & Castaño-Mora, 2008).”
Background
Using the Freshwater Health Index to Assess Hydropower Development Scenarios in the Sesan, Srepok and Sekong River Basin
Souter, N., Shaad, K., Vollmer, D., Regan, H., Farrell, T., Arnaiz, M., Meynell, P., Cochrane, T., Arias, M., Piman, T., et al. (2020) · doi:10.3390/w12030788 · Cited by 19
Impactos das hidrelétricas na Amazônia e a tomada de decisão
Fearnside, P. (2019) · doi:10.5801/ncn.v22i3.7711 · Cited by 19
Dams threaten rare Mekong dolphins
Brownell, R., Reeves, R., Thomas, P. O., Smith, B. D., & Ryan, G. (2017) · Science · doi:10.1126/science.aam6406 · Cited by 19 · cited 1×
“…relative lack of studies on other vertebrate fauna is surprising considering that damming could contribute to the extinction e.g. dolphins (Brownell Robert et al., 2017; Turvey et al., 2010) or extirpation of diverse vertebrate species in impacted basins e.g. turtles (Jian et al., 2013; Santoro et…”
Background
Diet of Northern Map Turtles (Graptemys geographica): Sexual Differences and Potential Impacts of an Altered River System
Richards-Dimitrie, T., Gresens, S., Smith, S., & Seigel, R. (2013) · Copeia · doi:10.1643/ce-12-043 · Cited by 19 · cited 1×
“Therefore, the adaptive response of turtles to dams may depend on their capacity to change foraging strategies (Petrov et al., 2018; Richards-Dimitrie et al., 2013).”
Background
Amazonian run-of-river dam reservoir impacts underestimated: Evidence from a Before-After Control-Impact study of freshwater turtle nesting areas
Bárcenas-García, A., Michalski, F., Gibbs, J. P., & Norris, D. (2021) · doi:10.1101/2021.07.29.454366 · Cited by 18 · see citing works
Self-citation
Fishers, dams, and the potential survival of the world's rarest turtle,Rafetus swinhoei, in two river basins in northern Vietnam
Duc, O. L., Van, T. P., Leprince, B., Bordes, C., Tuan, A., Benansio, J. S., Pacini, N., Luu, V. Q., & Luiselli, L. (2020) · doi:10.1002/aqc.3317 · Cited by 18
Impacts of Hydrologic Change on Sandbar Nesting Availability for Riverine Turtles in Eastern Minnesota, USA
Lenhart, C., Naber, J. R., & Nieber, J. (2013) · doi:10.3390/w5031243 · Cited by 18 · cited 1×
“This change drastically reduces the volume of sediment that can be transported downstream leading to the progressive disappearance of potential nesting areas for freshwater river turtles (Le Duc et al., 2020; Lenhart et al., 2013).”
Background
Demographic differences among populations of Northern Map Turtles (Graptemys geographica) in intact and fragmented sites
Bennett, A. M., Keevil, M. G., & Litzgus, J. (2009) · Canadian Journal of Zoology · doi:10.1139/z09-105 · Cited by 18 · cited 1× · see citing works
“Changes in river flow Loss of feeding habitat Changes in the flood pulse together with the loss of feeding habitat can strongly impact the availability of food resources (Bennett et al., 2009; Petrov et al., 2018).”
Background
Science for conserving Amazon freshwater ecosystems
Castello, L. (2021) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.3615 · Cited by 18 · see citing works
Home Range and Habitat Selection of the Endangered Euphrates Softshell Turtle Rafetus euphraticus in a Fragmented Habitat in Southwestern Iran
Ghaffari, H., Ihlow, F., Plummer, M., Karami, M., Khorasani, N., Safaei-Mahroo, B., & Rödder, D. (2014) · doi:10.2744/ccb-1071.1 · Cited by 17 · cited 6×
“Among the measures to mitigate/minimize dam impacts on freshwater turtles the most frequently suggested were habitat conservation/restoration/creation (Ghaffari et al., 2014; Gonzalez-Zarate et al., 2011; Norris et al., 2018a; Pitt et al., 2021; Reese & Welsh, 1998b; Tornabene et al., 2019), flow regulation and enviro…”
BackgroundInfluential
Rapid response of a long-lived species to improved water and grazing management: The case of the European pond turtle (Emys orbicularis) in the Camargue, France
Ficheux, S., Olivier, A., Fay, R., Crivelli, A., Besnard, A., & Béchet, A. (2014) · doi:10.1016/j.jnc.2014.03.001 · Cited by 17 · cited 5×
“…these studies, three were from temperate regions with long-term data collection spanning 50 (Pitt et al., 2021), 20 (Stone et al., 2014) and 17 years (Ficheux et al., 2014) and two were relatively short term 3 year studies from sub-tropical Australia (Espinoza et al., 2021; Espinoza et al., 2022).”
BackgroundInfluential
Differences in Flow Regime Influence the Seasonal Migrations, Body Size, and Body Condition of Western Pond Turtles (Actinemys marmorata) that Inhabit Perennial and Intermittent Riverine Sites in Northern California
Bondi, C. A., & Marks, S. B. (2013) · Copeia · doi:10.1643/ch-12-049 · Cited by 17
Understanding Hydropower Impacts on Amazonian Wildlife is Limited by a Lack of Robust Evidence: Results From a Systematic Review
dos Santos, E. R., Michalski, F., & Norris, D. (2021) · Tropical Conservation Science · doi:10.1177/19400829211045788 · Cited by 17 · cited 2× · see citing works
“Although populations of freshwater vertebrates have declined at more than twice the rate of terrestrial or marine vertebrates (Grooten & Almond, 2018; Tickner et al., 2020), relatively few studies have evaluated the impact of dams on vertebrates (dos Santos et al., 2021; He et al., 2018).”
BackgroundSelf-citation
Substrate influences human removal of freshwater turtle nests in the eastern Brazilian Amazon
Michalski, F., Norris, D., Quintana, I., Valerio, A., & Gibbs, J. P. (2020) · Scientific Reports · doi:10.1038/s41598-020-65074-1 · Cited by 17 · see citing works
Self-citation
A Unique Barrier Wall and Underpass to Reduce Road Mortality of Three Freshwater Turtle Species
Heaven, P. C., Litzgus, J., & Tinker, M. (2019) · Copeia · doi:10.1643/ch-18-137 · Cited by 16 · cited 1× · see citing works
“…we did not find any evidence for the efficacy of such actions around dams, there are examples of habitat modifications e.g. barrier installation (Heaven et al., 2019), which have also been used together with the creation of suitable nesting habitats to reduce adult mortality around roads (Nagle…”
Background
A large scale analysis of threats to the nesting sites of Podocnemis species and the effectiveness of the coverage of these areas by the Brazilian Action Plan for Amazon Turtle Conservation
Fagundes, C. K., Fath, F., Côrtes, L. G., Uhlig, V. M., Andrade, P. C. M., Vogt, R. C., Pezzuti, J. C. B., & Júnior, P. D. M. (2021) · Journal for Nature Conservation · doi:10.1016/j.jnc.2021.125997 · Cited by 16 · see citing works
Hemiparasitic plants increase alpine plant richness and evenness but reduce arbuscular mycorrhizal fungal colonization in dominant plant species
McKibben, M., & Henning, J. (2018) · PeerJ · doi:10.7717/peerj.5682 · Cited by 15
Factors Affecting Nesting Ecology of Apalone spinifera in a Northwestern Great Plains River of the United States
Tornabene, B. J., Bramblett, R. G., Zale, A., & Leathe, S. A. (2018) · Chelonian Conservation and Biology · doi:10.2744/ccb-1298.1 · Cited by 15 · cited 3×
“…the availability of nesting areas (Bárcenas-García et al., 2022; Norris et al., 2018a; Tornabene et al., 2018), as well as the duration of low water levels, which may affect the behavior and nesting success of these species (Eisemberg et al., 2016; Espinoza et al., 2022; Tornabene et al., 2018).”
Background
Habitat Selection and Conservation Suggestions for the Yangtze Giant Softshell Turtle (Rafetus swinhoei) in the Upper Red River, China
Wang, J., Shi, H.-T., Wen, C., & Han, L.-X. (2013) · doi:10.2744/ccb-1019.1 · Cited by 15 · cited 10×
“Damming divides populations, making reproduction more difficult (Jian et al., 2013) and decreasing the adaptive capacity of impacted populations as genetic diversity is lost.”
BackgroundInfluential
Quantifying movement of multiple threatened species to inform adaptive management of environmental flows.
Espinoza, T., Burke, C., Carpenter‐Bundhoo, L., Marshall, S., McDougall, A., Roberts, D. T., Campbell, H., & Kennard, M. (2021) · Journal of Environmental Management · doi:10.1016/j.jenvman.2021.113067 · Cited by 14 · see citing works
Diet of an Assemblage of Four Species of Turtles (Podocnemis) in the Rio Uatumã, Amazonas, Brazil
Cunha, F. R., Bernhard, R., & Vogt, R. (2020) · Copeia · doi:10.1643/ce-18-117 · Cited by 14
Food abundance and diet variation in freshwater turtles from the mid-Murray River, Australia
Petrov, K., Lewis, J., Malkiewicz, N., Dyke, J. V. V., & Spencer, R. (2018) · Australian Journal of Zoology · doi:10.1071/zo17060 · Cited by 14 · cited 2×
“Therefore, the adaptive response of turtles to dams may depend on their capacity to change foraging strategies (Petrov et al., 2018; Richards-Dimitrie et al., 2013).”
Background
Community based actions save Yellow-spotted river turtle ( Podocnemis unifilis ) eggs and hatchlings flooded by rapid river level rises
Norris, D., Michalski, F., & Gibbs, J. P. (2020) · PeerJ · doi:10.7717/peerj.9921 · Cited by 14 · cited 5× · see citing works
“…rescue activities such as that which occurred in the eastern Brazilian Amazon, where community-based actions contributed to the rescue of 926 eggs, 65 premature hatchlings and the release of 599 hatchlings of P. unifilis during the flooding of nests by rising water levels (Norris et al., 2020).”
BackgroundInfluentialSelf-citation
Assessing Ecological and Social Dimensions of Success in a Community-based Sustainable Harvest Program
Rivera, C. J., Macey, S. K., Blair, M., & Sterling, E. (2021) · Environmental Management · doi:10.1007/s00267-021-01425-6 · Cited by 13 · see citing works
A Risk Assessment Approach to Manage Inundation of Elseya albagula Nests in Impounded Waters: A Win–Win Situation?
McDougall, A., Espinoza, T., Hollier, C., Limpus, D., & Limpus, C. (2015) · Environmental Management · doi:10.1007/s00267-014-0411-y · Cited by 13
Mercury concentration in different tissues of Podocnemis unifilis (Troschel, 1848) (Podocnemididae: Testudines) from the lower Xingu River - Amazonian, Brazil.
Souza-Araujo, J., Giarrizzo, T., & Mo, L.-M. (2015) · Brazilian journal of biology = Revista brasleira de biologia · doi:10.1590/1519-6984.01514bm · Cited by 12
Assessment of genetic structure, habitat suitability and effectiveness of reserves for future conservation planning of the Euphrates soft‐shelled turtle Rafetus euphraticus (Daudin, 1802)
Ihlow, F., Ahmadzadeh, F., Ghaffari, H., Taşkavak, E., Hartmann, T. P., Etzbauer, C., & Rödder, D. (2014) · doi:10.1002/aqc.2454 · Cited by 12 · cited 4×
“Four studies focusing on genetics did not specify the life-stage from which tissue samples were collected (Gaillard et al., 2015; Ihlow et al., 2014; Kiesow & Warcken, 2017; Turcotte et al., 2022).”
BackgroundInfluential
Landscape genomic signatures indicate reduced gene flow and forest‐associated adaptive divergence in an endangered neotropical turtle
Gallego-García, N., Forero-Medina, G., Vargas-Ramírez, M., Caballero, S., & Shaffer, H. (2019) · Molecular Ecology · doi:10.1111/mec.15112 · Cited by 11 · cited 2×
“Physical barriers The fragmentation of free flowing river habitat limits migrations, causes isolation and diminishes the genetic flow between populations of freshwater turtles (Gallego-García et al., 2018).”
Background
Atrazine and glyphosate dynamics in a lotic ecosystem: the common snapping turtle as a sentinel species
Douros, D. L., Gaines, K., & Novak, J. M. (2015) · Environmental Monitoring & Assessment · doi:10.1007/s10661-015-4336-6 · Cited by 11 · cited 1×
“Accumulation of contaminants in dam reservoirs was reflected in the pesticide concentration found in the common snapping turtle (Chelydra serpentina), which increased closer to a water supply dam (Douros et al., 2015).”
Background
A field study on serum vitellogenin levels in male Reeves' pond turtles (Chinemys reevesii) from estrogen-contaminated sites and a reference site.
Tada, N., Saka, M., Shiraishi, F., & Kamata, Y. (2007) · Science of the Total Environment · doi:10.1016/j.scitotenv.2007.05.035 · Cited by 11
Preliminary evidence suggests freshwater turtles respond positively to an environmental water delivery during drought
Howard, K., Beesley, L., Ward, K., & Stokeld, D. (2017) · Australian Journal of Zoology · doi:10.1071/zo16076 · Cited by 11 · cited 1×
“…and operation should adopt a holistic vision of catchment management, including measures such as flow regulation for the specific freshwater turtles impacted and adapting inlets to favor turtle dispersal between rivers and the available flood plains (Howard et al., 2017; McDougall et al., 2015).”
Background
Population Structure, Status, and Conservation of Two Graptemys Species from the Pearl River, Mississippi
Selman, W., & Jones, R. L. (2017) · Journal of Herpetology · doi:10.1670/15-082 · Cited by 10 · cited 2×
“While changes in water quality could also provide potential benefits, this varied between turtle species studied (Clark et al., 2009; Selman & Jones, 2017; Snover et al., 2015).”
Background
The Ecology of a Robust Population of Actinemys marmorata in the San Joaquin Desert of California
Germano, D. (2016) · Copeia · doi:10.1643/ce-15-362 · Cited by 10 · cited 1×
“Water supply dams for cattle can also be used as permanent habitat by generalist species like Actinemys marmorata [Table 3, (Germano, 2016)].”
Background
Distribution and Population Status of the Narrow-Headed Softshell Turtle Chitra spp. in Thailand
Kitimasak, W., Thirakhupt, K., Boonyaratpalin, S., & Moll, D. (2005) · Tropical Natural History · doi:10.58837/tnh.5.1.102891 · Cited by 10 · cited 1×
“…alternations not associated with dams (e.g. channel widening (Usuda et al., 2012)) or where dam impacts were discussed based on unconfirmed secondary narratives lacking methodological details (Kitimasak et al., 2005) and/or merely discussed (e.g. (Tornabene et al., 2017)) were also not included.”
Background
Abundance of Western Caspian Turtle Mauremys rivulata Valenciennes 1833 in Gökçeada Imbros Turkey
Bayrakcı, Y., Ayaz, D., Yakın, B. Y., Çiçek, K., & Tok, C. V. (2016) · doi:10.30906/1026-2296-2019-23-%s-254-260 · Cited by 9
A watershed moment: Analysis of sub-basins refocuses the geography of turtle conservation across the globe
Ennen, J., Agha, M., Sweat, S., Matamoros, W., Lovich, J., Iverson, J., Rhodin, A., Thomson, R. C., Shaffer, H., & Hoagstrom, C. (2021) · Biological Conservation · doi:10.1016/j.biocon.2020.108925 · Cited by 8 · see citing works
Ocekadi: hidrelétricas, conflitos socioambientais e resistência na Bacia do Tapajós ed. by Daniela Fernandes Alarcon, Brent Millikan, Mauricio Torres (review)
Walker, R. (2017) · doi:10.1353/lag.2017.0003 · Cited by 8
Effects of Wetland Water Source on a Population of the Australian Eastern Long-Necked Turtle Chelodina longicollis
Ryan, M. M., Burgin, S., & Wright, I. (2015) · Water, Air and Soil Pollution · doi:10.1007/s11270-015-2658-1 · Cited by 8 · cited 2×
“Eutrophication may however benefit some turtle species, for example an increase in emergent vegetation could be potential refuge habitat for the juvenile stages of Chelodina longicollis [Table 3, (Ryan et al., 2015)].”
Background
Adaptive Management to Reduce Nest Inundation of a Critically Endangered Freshwater Turtle: Confirming the Win-win
Espinoza, T., Marshall, S., Limpus, D., Limpus, C., & McDougall, A. (2022) · Environmental Management · doi:10.1007/s00267-022-01601-2 · Cited by 7 · cited 12×
“…these studies, three were from temperate regions with long-term data collection spanning 50 (Pitt et al., 2021), 20 (Stone et al., 2014) and 17 years (Ficheux et al., 2014) and two were relatively short term 3 year studies from sub-tropical Australia (Espinoza et al., 2021; Espinoza et al., 2022).”
BackgroundInfluential
Riverine turtles select habitats maintained by natural discharge regimes in an unimpounded large river
Tornabene, B. J., Jaeger, M., Bramblett, R. G., Nelson, M., McClenning, N., Watson, T., Ankrum, A., Frazer, K., Reinhold, A., & Zale, A. (2019) · Rivers Research and Applications: an international journal devoted to river research and management · doi:10.1002/rra.3496 · Cited by 7 · see citing works
Analysis of People's Perceptions of Turtle Conservation Effectiveness for the Magdalena River Turtle Podocnemis lewyana and the Colombian Slider Trachemys callirostris in Northern Colombia: An Ethnozoological Approach
Vallejo-Betancur, M. M., Páez, V. P., & Quan-Young, L. I. (2018) · doi:10.1177/1940082918779069 · Cited by 7 · cited 1×
“Community-based Conservation also encourages participation to monitor, protect, and reduce predation of freshwater turtles within communities (Campos-Silva et al., 2018; Rivera et al., 2021; Vallejo-Betancur et al., 2018).”
Background
Genetic Variation and Gene Flow at the Range Edge of Two Softshell Turtles
Reinertsen, C., Mitchell, S. M., Ke, H.-B., Halvorson, K. M., Pappas, M., & Freedberg, S. (2016) · Journal of Herpetology · doi:10.1670/14-086 · Cited by 7
Demographic Comparisons between Reservoir-Dwelling and Stream-Dwelling Populations of a Threatened Turtle (Sternotherus depressus Tinkle and Webb)
Melancon, S. R., Angus, R., & Marion, K. (2013) · doi:10.1656/058.012.0408 · Cited by 7 · cited 1×
“In the juvenile stage, changes in river flow and presence of dams as physical barriers were threats (Melancon et al., 2013).”
Background
Short-term impacts of a record-shattering flood and dam removal on a river turtle assemblage and population placed within the context of a 50 year study
Pitt, A. L., Tavano, J. J., Tate, E. G., Little, M. D., & Nickerson, M. (2021) · doi:10.1016/j.actao.2020.103699 · Cited by 6 · cited 7×
“…of the South American genus Podocnemis (Eisemberg et al., 2016; Gallego-García & Castaño-Mora, 2008; Norris et al., 2018a; Norris et al., 2020), genus Elseya in Austrailia (Espinoza et al., 2022), and of the North American Emydidae and Trionychidae (Pitt et al., 2021; Tornabene et al., 2018).”
BackgroundInfluential
The influence of a new water infrastructure development on the relative abundance of two Australian freshwater turtle species
Clark, N., Mills, C. E., Osborne, N. A., & Neil, K. (2018) · Australian Journal of Zoology · doi:10.1071/zo17082 · Cited by 6 · cited 10×
“Lack of oxygen in reservoirs has implications for turtle physiology as it limits the capacity to obtain oxygen from the water, which can reduce diving ability by 51% (Clark et al., 2018).”
BackgroundInfluential
EXPLORATORY ENVIRONMENTAL DNA ANALYSIS FOR INVESTIGATING PLANT-FEEDING HABIT OF THE RED-EARED TURTLE USING THEIR FECES SAMPLES
Koizumi, N., Mori, A., Mineta, T., Sawada, E., Watabe, K., & Takemura, T. (2016) · doi:10.11113/jt.v78.7253 · Cited by 6
Plant species identification using fecal DNAs from red-eared slider and Reeves’ pond turtle in agricultural canals for rural ecosystem conservation
Koizumi, N., Mori, A., Mineta, T., Sawada, E., Watabe, K., & Takemura, T. (2017) · Paddy and Water Environment · doi:10.1007/s10333-016-0576-5 · Cited by 5
High Connectivity Observed in Populations of Ringed Sawbacks, Graptemys oculifera, in the Pearl and Bogue Chitto Rivers Using Six Microsatellite Loci
Gaillard, D., Selman, W., Jones, R. L., Kreiser, B., Qualls, C., & Landry, K. (2015) · Copeia · doi:10.1643/cg-15-245 · Cited by 5 · cited 2×
“Four studies focusing on genetics did not specify the life-stage from which tissue samples were collected (Gaillard et al., 2015; Ihlow et al., 2014; Kiesow & Warcken, 2017; Turcotte et al., 2022).”
Background
Dystocia in an injured common eastern long-necked turtle (Chelodina longicollis).
Johnson, R. (2006) · Veterinary Clinics of North America Exotic Animal Practice · doi:10.1016/j.cvex.2006.05.010 · Cited by 5
Exploring the effect of 195 years-old locks on species movement: landscape genetics of painted turtles in the Rideau Canal, Canada
Turcotte, A., Blouin‐Demers, G., & Garant, D. (2022) · Conservation Genetics · doi:10.1007/s10592-022-01431-z · Cited by 4 · cited 8× · see citing works
“The impacts on genetic diversity were not differentiated across different life-stages, but studies documented evidence of negative impacts of dams on genetic diversity (Ihlow et al., 2014; Turcotte et al., 2022).”
BackgroundInfluential
Genetic Population Structure of Cagle's Map Turtle (Graptemys caglei) in the Guadalupe and San Marcos Rivers of Texas—A Landscape Perspective
Ward, R., Babitzke, J. B., & Killebrew, F. (2013) · Copeia · doi:10.1643/cg-12-122 · Cited by 4 · cited 1×
“…at a genetic level can however take several generations and depending on the species can require many decades if not centuries for the changes to manifest (Bennett et al., 2010; Gaillard et al., 2015; Kiesow & Warcken, 2017; Reinertsen et al., 2016; Turcotte et al., 2022; Ward et al., 2013).”
Background
Chutes and Ladders: Drainage Exchange of Map Turtles (Genus Graptemys) Across the Tennessee-Tombigbee Waterway in Northeastern Mississippi
Berry, G., Brown, G. J., Haden, L. L., Jones, R. L., Pearson, L., & Selman, W. (2020) · Chelonian Conservation and Biology · doi:10.2744/ccb-1403.1 · Cited by 3 · cited 3×
“In adults the creation of waterways could facilitate movements, range expansions and exchanges between once isolated species (Berry et al., 2020).”
BackgroundInfluential
Turtles of the Igapó: Their Ecology and Susceptibility to Mercury Uptake
Schneider, L., & Vogt, R. (2018) · doi:10.1007/978-3-319-90122-0_11 · Cited by 3
Characterization and Isolation of Ten Microsatellite Loci in False Map Turtles, Graptemys pseudogeographica (Emydidae, Testudines)
Kiesow, A., & Warcken, A. (2017) · The American midland naturalist · doi:10.1674/0003-0031-177.2.327 · Cited by 2 · cited 2×
“Four studies focusing on genetics did not specify the life-stage from which tissue samples were collected (Gaillard et al., 2015; Ihlow et al., 2014; Kiesow & Warcken, 2017; Turcotte et al., 2022).”
Background
Indirect Factors Contributing to Extinction
Moll, D., & Moll, E. (2004) · doi:10.1093/oso/9780195102291.003.0009 · Cited by 1 · cited 3×
“Dams have also been identified as a major threat for many freshwater turtle species (Bodie, 2001; Moll & Moll, 2004a), including for 11 of the 25 most threatened tortoise and freshwater turtle species (TCC, 2018).”
Background

Flagged first, then by citations

59 of the 239 references couldn’t be matched to a known paper.

Sorted by citations

Hydropower impacts on riverine biodiversity
He, F., Zarfl, C., Tockner, K., Olden, J. D., Campos, Z., Muniz, F., Svenning, J., & Jähnig, S. C. (2024) · Nature Reviews Earth & Environment · doi:10.1038/s43017-024-00596-0 · Cited by 223 · see citing works
“…USA, increased by 49% between the fluvial section and the area frequently inundated by reservoir backwater over the 70 years following dam closure and filling of the reservoir 58 Although impoundment increases habitat area for semi-aquatic animals, these habitats might be of poor quality 28,60 .”
Influential
Turtles in trouble. Conservation ecology and priorities for Australian freshwater turtles
Petrov, K., Sutcliffe, S., Truscott, H., Kutay, C., Eisemberg, C., Spencer, R., Lawler, I., Bower, D. S., Dyke, J. V. V., & Georges, A. (2023) · Austral ecology (Print) · doi:10.1111/aec.13418 · Cited by 19
Amazonian run-of-river dam reservoir impacts underestimated: Evidence from a Before-After Control-Impact study of freshwater turtle nesting areas
Bárcenas-García, A., Michalski, F., Gibbs, J. P., & Norris, D. (2021) · doi:10.1101/2021.07.29.454366 · Cited by 18 · see citing works
Self-citation
Effects of salinization on the occurrence of a long-lived vertebrate in a desert river
Mahan, L. B., Bassett, L. G., Duarte, A., Forstner, M., & Mali, I. (2022) · Scientific Reports · doi:10.1038/s41598-022-20199-3 · Cited by 12 · see citing works
A systematic map of hydropower impacts on megafauna at the land-water interface
Altanov, V. Y., Jähnig, S. C., & He, F. (2025) · Biological Conservation · doi:10.1016/j.biocon.2025.111092 · Cited by 6 · see citing works
Anthropogenic influences on the distribution of a threatened apex-predator around sustainable-use reserves following hydropower dam installation
Raffo, D. C. D., Norris, D., Hartz, S. M., & Michalski, F. (2022) · PeerJ · doi:10.7717/peerj.14287 · Cited by 8 · see citing works
“The implementation of minimization and mitigation actions to ameliorate negative impacts caused by dams remains limited for Amazonian vertebrates due to a lack of evidence as to efficacy of available options (Bárcenas-García et al., 2022b; Berthinussen, Smith & Sutherland, 2021; Santos, Michalski & Norris, 2021).”
BackgroundSelf-citation
A synthesis of priorities, patterns, and gaps in large carnivore corridor research
Bhatt, T. R., Castley, J., Baral, H. S., & Chauvenet, A. (2023) · Frontiers in Conservation Science · doi:10.3389/fcosc.2023.1094443 · Cited by 4
“For example, a review of studies evaluating conservation interventions applied to mitigate the impacts of dams on freshwater turtles identified that fewer studies (~10% of the identified literature) evaluated the effectiveness of the interventions resulting in an information gap to guide the effective management of th…”
Background
Telemetry in movement ecology of aquatic and semi-aquatic turtles in world freshwater ecoregions: a systematic review
Ribeiro, M. V., da Silva, R. L., Cruz, A. D. S., Malvasio, A., Solé, M., dos Santos, E. A. P., & Schiavetti, A. (2024) · Ethology Ecology & Evolution · doi:10.1080/03949370.2024.2343469 · Cited by 3 · see citing works
“The same analysis was used to verify whether older studies are more cited and whether the representativeness of studies and species studied in each family is correlated to existing species (Bárcenas-García et al. 2022).”
Predation of turtles by bald eagles (Haliaeetus leucocephalus) in the Southeastern United States
Coleman, A. (2023) · Food Webs · doi:10.1016/j.fooweb.2023.e00293 · Cited by 3
Remote Sensing Data Reveal a Significant Reduction in the Area of the Nesting Habitat of Rafetus euphraticus in the Tigris River, Southeastern Turkey
Biricik, M., Safi, K., & Turğa, Ş. (2024) · Ecology and Evolution · doi:10.1002/ece3.70691 · Cited by 2
City dwellers: habitat connectivity and demographic responses of a semi-aquatic turtle in Australia
Ferronato, B. D. O., Hoefer, A.-M., Booksmythe, I., Ubrihien, R., & Georges, A. (2024) · Urban Ecosystems · doi:10.1007/s11252-024-01583-5 · Cited by 2
Pressure of Invasive Alien Species Trachemys scripta on Native Species Under Future Climate Change Scenarios
Kaya, N., İnci, H., Şarlak, İ., Yetim, T., Özgül, C., Ozulug, O., & Tosunoğlu, M. (2026) · Ecology and Evolution · doi:10.1002/ece3.73084 · Cited by 1
Human‐Induced Extinction Risk of the World's Crocodilians and Chelonians
Torres-Romero, E., Woolrich‐Piña, G., Smith, G. R., Ripple, W., Lemos-Espinal, J., Sunny, A., & Stanford, C. B. (2025) · Journal of Biogeography · doi:10.1111/jbi.70116 · Cited by 1 · see citing works
New Records of the Critically Endangered Asian Narrow-Headed Softshell Turtle, Chitra chitra, in Thailand
Nardi, L. D., Duc, O. L., Viriyataveekul, S., Charpentier, L., Leprince, B., Walde, A. D., & Luiselli, L. (2025) · Chelonian Conservation and Biology · doi:10.2744/ccb-1668.1 · Cited by 1
Confirmed Wild Reproduction and Distribution Records of Palea steindachneri in Northern Vietnam, with Notes on Sympatric Pelodiscus sp. in Dam-Impacted Habitats
Duc, O. L., Trong, M. N., Leprince, B., Minh, H. H., Hoang, V. T., Van, S. H., & Luiselli, L. (2025) · Conservation · doi:10.3390/conservation5030032 · Cited by 1
Does Euphrates softshell turtle nest in unfavourable substratum? Description of nests from Euphrates River, Türkiye
Bayrakcı, Y. (2023) · Turkish Journal of Zoology · doi:10.55730/1300-0179.3129 · Cited by 1
“Lacking an appropriate nesting habitat, the nest-site choice of females may not be the optimal preference for eggs, hatchlings, or themselves (Kolbe and Janzen, 2002; Refsnider and Janzen, 2010; Bárcenas-García et al., 2022).”
Background
Sensitivity of freshwater turtle eggs to experimental flooding reiterates conservation concerns in impounded waterways
Hollier, C., Limpus, D., Limpus, C., Espinoza, T., & Jessop, T. (2026) · Marine and Freshwater Research · doi:10.1071/mf25147
Water depth and human disturbance drive occupancy of endangered softshell turtles ( Nilssonia spp.) in eastern Nepal
Subba, A., Limbu, K., Lama, P., Limbu, N., Rai, D., Lama, S., & Khanal, L. (2026) · Wildlife Biology · doi:10.1002/wlb3.01531
Global patterns of parasite sharing among freshwater turtles
Silva, M., Rato, J., Brandão, P., Rocha, R., Anastácio, P., & Banha, F. (2026) · Parasitology Research · doi:10.1007/s00436-026-08702-5
Hydropower Operations Reduce Alluvial Nesting Habitat and Alter Riverine Turtle Population Demographics
Ostovar, K., Saarel, L. S., Borgogna, J. C., Ward, L., Alston, W., Prinkki, M., & Valdez, A. (2026) · Rivers Research and Applications: an international journal devoted to river research and management · doi:10.1002/rra.70146
Hydroelectric Dam May Impact the Microbiome of an Endangered Northern Map Turtle (Graptemys geographica) Population
Christoph, H., & Kimble, S. (2026) · Current Microbiology · doi:10.1007/s00284-026-04846-w
Assessing spatial and temporal variation in freshwater turtle communities in Northern Indochina: a seven-year study
Leprince, B., Van, S. H., Trong, M. N., Assou, D., Walde, A. D., Luiselli, L., & Duc, O. L. (2026) · Basic and Applied Herpetology · doi:10.11160/bah.323
Anthropogenic threats increase vulnerability of Podocnemis unifilis nesting areas in the most protected Brazilian Amazon State
Silva, L. A. D. P., Michalski, F., & Norris, D. (2025) · Frontiers in Ecology and Evolution · doi:10.3389/fevo.2025.1622535
Self-citation

Authors: Bárcenas-García, A., Michalski, F., Morgan, W. H., Smith, R. K., Sutherland, W. J., Gibbs, J. P., & Norris, D.
Affiliations: Postgraduate Programme in Tropical Biodiversity, Federal University of Amapá, Macapá, Brazil
Universidade Federal do Amapá (BR)
University of Cambridge (GB)
State University of New York (US)
Corresponding author: Norris, Darren
ORCID: Bárcenas-García, Andrea
Michalski, Fernanda
Morgan, William H.
Smith, Rebecca K.
Sutherland, William J.
Gibbs, James P.
Norris, Darren
Venue: Tropical Conservation Science
Publisher: SAGE Publications
Published: 2022-05-23
Volume: 15
ISSN: 1940-0829 (ISSN-L)
DOI: 10.1177/19400829221103709
OpenAlex: W4285264065
Cited by: 28
References: 239
Citations by year: 2026: 6 · 2025: 5 · 2024: 6 · 2023: 4 · 2022: 7
FWCI: 3.72
Type: journal article
Language: en
Open access: hybrid
doi.org
Licence: cc-by-nc
creativecommons.org/licenses/by-nc/4.0/ (unspecified)
Locations: Tropical Conservation Science (publishedVersion, cc-by-nc)
bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc)
Apollo (University of Cambridge) (submittedVersion, cc-by-nc)
Apollo
Funders: Arcadia Fund
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
The David and Claudia Harding Foundation
MAVA Foundation
Topics: Physical Sciences › Environmental Science › Nature and Landscape Conservation › Turtle Biology and Conservation
Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
Physical Sciences › Environmental Science › Management, Monitoring, Policy and Law › Environmental Conservation and Management
Keywords: dams, freshwater turtles, dam impacts, turtle conservation, habitat fragmentation, flow management, dam removal, artificial ponds, community-based conservation, threatened species, tropical freshwater ecosystems

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Impacts of Dams on Freshwater Turtles: A Global Review to Identify Conservation Solutions

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