Cited by 96Fish Ecology and Management StudiesHydrology and Sediment Transport ProcessesFreshwater macroinvertebrate diversity and ecology

Does flood rhythm drive ecosystem responses in tropical riverscapes?

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Jardine, Timothy D., Bond, Nicholas R., Burford, Michele A., Kennard, Mark J., Ward, Douglas P., Bayliss, Peter, Davies, Peter M., Douglas, Michael M. +7 more·2015·Ecology

Abstract

Biotic communities are shaped by adaptations from generations of exposure to selective pressures by recurrent and often infrequent events. In large rivers, floods can act as significant agents of change, causing considerable physical and biotic disturbance while often enhancing productivity and diversity. We show that the relative balance between these seemingly divergent outcomes can be explained by the rhythmicity, or predictability of the timing and magnitude, of flood events. By analyzing biological data for large rivers that span a gradient of rhythmicity in the Neotropics and tropical Australia, we find that systems with rhythmic annual floods have higher fish species richness, more stable avian populations, and elevated rates of riparian forest production compared with those with arrhythmic flood pulses. Intensification of the hydrological cycle driven by climate change, coupled with reductions in runoff due to water extractions for human use and altered discharge from impoundments, is expected to alter the hydrologic rhythmicity of floodplain rivers with significant consequences for both biodiversity and productivity.

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  • Changes in river flow seasonality have reduced fish diversity, inland fishery yields, bird population stability, and riparian forest productivity.

    “Altered flow seasonality in rivers has led to less diverse fish assemblages, decreased inland fisheries production, less stable bird populations and lower riparian forest production (Jardine et al. 2015;Kingsford et al. 2017;Sabo et al. 2017).”

    From Scientists’ warning to humanity on the freshwater biodiversity crisis (2021) · cites this paper as Jardine et al. 2015

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Research works printed but not linked: 3

  1. Kennard, M. J., B. J. Pusey, J. Boyden, C. Leigh, P. Bayliss, and A. Georges. 2010. 5. Compilation of species distribution data sets for use as biodiversity surrogates. Pages 50-58 in M. J. Kennard, editor. Identifying high conservation value aquatic ecosystems in northern Australia. Final report for the Department of Environment, Water, Heritage and the Arts and the National Water Commission. Tropical Rivers and Coastal Knowledge (TRaCK) Commonwealth Environmen- tal Research Facility, Charles Darwin University, Darwin, Northern Territory 0909 Australia.
  2. Pusey, B., M. Kennard, D. Burrows, C. Perna, P. Kyne, B. Cook, and J. Hughes. 2011. Freshwater fish. Pages 71-92 in B. J. Pusey, editor. Aquatic biodiversity in northern Australia: patterns, threats and future. Charles Darwin University Press, Darwin, Australia.
  3. Winemiller, K. 2004. Floodplain river food webs: generaliza- tions and implications for fisheries management. Pages 285- 309 in R. Welcomme and T. Petr, editors. Proceedings of the Second International Symposium on the Management of Large Rivers for Fisheries. Volume II. Regional Office for Asia and the Pacific, Bangkok, Thailand. RAP Publication 2004/16.

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Authors
Jardine, T. D., Bond, N. R., Burford, M. A., Kennard, M. J., Ward, D. P., Bayliss, P., Davies, P. M., Douglas, M. M., Hamilton, S. K., Melack, J. M., Naiman, R. J., Pettit, N. E., Pusey, B. J., Warfe, D. M., & Bunn, S. E.
Affiliations
  • Griffith University (AU)
  • Commonwealth Scientific and Industrial Research Organisation (AU)
  • The University of Western Australia (AU)
  • Charles Darwin University (AU)
  • Michigan State University (US)
  • University of California, Santa Barbara (US)
Corresponding author
Jardine, Timothy D.
Venue
Ecology
Publisher
Wiley
Published
2015-03
Volume
96
Issue
3
Pages
684-692
ISSN
  • 0012-9658 (ISSN-L)
  • 1939-9170
OpenAlex
W2065553200
Cited by
96
References
47
Citations by year
2026: 2 · 2025: 8 · 2024: 7 · 2023: 6 · 2022: 10 · 2021: 7 · 2020: 10 · 2019: 12 · 2018: 13 · 2017: 7 · 2016: 12 · 2015: 1 · 2014: 1
FWCI
11.40
Type
journal article
Language
en
Open access
Locations
  • Ecology (publishedVersion)
  • PubMed (publishedVersion)
  • CDU eSpace Institutional Repository (Charles Darwin University) (submittedVersion)
  • Griffith Research Online (submittedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
Funders
  • Australian Government
  • Fisheries Research and Development Corporation
  • Queensland Government
Topics
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
  • Physical Sciences › Environmental Science › Ecology › Hydrology and Sediment Transport Processes
  • Physical Sciences › Environmental Science › Ecology › Freshwater macroinvertebrate diversity and ecology
Keywords
flood predictability, flood pulse, tropical rivers, fish species richness, floodplain ecosystems, climate change impacts, water extraction, reservoir releases, Neotropical region, tropical Australia
MeSH terms
Animals, Australia, Birds, Fishes, Mexico, South America, Ecosystem, Biodiversity, Rivers, Floods, Climate Change, Forests

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