The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.
Temperature and the metabolic balance of streams
Abstract
1. It is becoming increasingly clear that fresh waters play a major role in the global C cycle. Stream ecosystem respiration (ER) and gross primary productivity (GPP) exert a significant control on organic carbon fluxes in fluvial networks. However, little is known about how climate change will influence these fluxes. 2. Here, we used a ‘natural experiment’ to demonstrate the role of temperature and nutrient cycling in whole-system metabolism (ER, GPP and net ecosystem production – NEP), in naturally heated geothermal (5–25 °C) Icelandic streams. 3. We calculated ER and GPP with a new, more accurate method, which enabled us to take into account the additional uncertainties owing to stream spatial heterogeneity in oxygen concentrations within a reach. ER ranged 1–25 g C m−2 day−1 and GPP 1–10 g C m−2 day−1. The median uncertainties (based on 1 SD) in ER and GPP were 50% and 20%, respectively. 4. Despite extremely low water nutrient concentrations, high metabolic rates in the warm streams were supported by fast cycling rates of nutrients, as revealed from inorganic nutrient (N, P) addition experiments. 5. ER exceeded GPP in all streams (with average GPP/ER = 0.6) and was more strongly related to temperature than GPP, resulting in elevated negative NEP with warming. We show that, as a first approximation based on summer investigations, global stream carbon emission to the atmosphere would nearly double from 0.12 Pg C year−1 at 13 °C to 0.21 (0.15–0.33) Pg C year−1 with a 5 °C warming. 6. Compared to previous studies from natural systems (including terrestrial ecosystems), the temperature dependence of stream metabolism was not confounded by latitude or altitude, seasonality, light and nutrient availability, water chemistry, space availability (water transient storage), and water availability. 7. Consequently, stream nutrient processing is likely to increase with warming, protecting downstream ecosystems (rivers, estuaries, coastal marine systems) during the summer low flows from nutrient enrichment, but at the cost of increased CO2 flux back to the atmosphere.
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Citations
Cites
TOWARD A METABOLIC THEORY OF ECOLOGY
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Effects of Size and Temperature on Metabolic Rate
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Proceedings World Geothermal Congress 2015
Daniilidis, A., & Herber, R. (2015) · Cited by 2,347
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Primary Production in Flowing Waters1
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Control of Nitrogen Export from Watersheds by Headwater Streams
Peterson, B. J., Wollheim, W. M., Mulholland, P. J., Webster, J. R., Meyer, J. L., Tank, J. L., Martí, E., Bowden, W. B., Valett, H. M., Hershey, A. E., et al. (2001) · Science · doi:10.1126/science.1056874 · Cited by 1,477
Biophysical controls on organic carbon fluxes in fluvial networks
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Stream denitrification across biomes and its response to anthropogenic nitrate loading
Mulholland, P. J., Helton, A. M., Poole, G. C., Hall, R. O., Hamilton, S. K., Peterson, B. J., Tank, J. L., Ashkenas, L. R., Cooper, L. W., Dahm, C. N., et al. (2008) · Nature · doi:10.1038/nature06686 · Cited by 1,312
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Battin, T. J., Lauerwald, R., Bernhardt, E. S., Bertuzzo, E., Gener, L. G., Hall, R. O., Hotchkiss, E. R., Maavara, T., Pavelsky, T. M., Ran, L., et al. (2023) · Nature · doi:10.1038/s41586-022-05500-8 · Cited by 594
Mesocosm Experiments as a Tool for Ecological Climate-Change Research
Stewart, R. I. A., Dossena, M., Bohan, D. A., Jeppesen, E., Kordas, R. L., Ledger, M. E., Meerhoff, M., Moss, B., Mulder, C., Shurin, J. B., et al. (2013) · Advances in Ecological Research · doi:10.1016/b978-0-12-417199-2.00002-1 · Cited by 387
Self-citationThe hydrological urban heat island: determinants of acute and chronic heat stress in urban streams
Zahn, E., Welty, C., Smith, J. A., Kemp, S. J., Baeck, M., & Bou‐Zeid, E. (2021) · JAWRA Journal of the American Water Resources Association · doi:10.1111/1752-1688.12963 · Cited by 32
Cogo, G. B., Biasi, C., Severo, E. S., Loro, V., & Santos, S. (2018) · Annales de Limnologie - International Journal of Limnology · doi:10.1051/limn/2017032 · Cited by 6
Metadata
- Authors
- DEMARS, B. O. L., RUSSELL MANSON, J., ÓLAFSSON, J. S., GÍSLASON, G. M., GUDMUNDSDÓTTIR, R., WOODWARD, G., REISS, J., PICHLER, D. E., RASMUSSEN, J. J., & FRIBERG, N.
- Venue
- Freshwater Biology
- Publisher
- Wiley
- Published
- 2011-01-26
- Volume
- 56
- Issue
- 6
- Pages
- 1106-1121
- ISSN
- 0046-5070 (ISSN-L)
- OpenAlex
- W1806136744
- Cited by
- 273
- References
- 58
- FWCI
- 14.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- DEMARS, B. O. L., RUSSELL MANSON, J., ÓLAFSSON, J. S., GÍSLASON, G. M., GUDMUNDSDÓTTIR, R., WOODWARD, G., REISS, J., PICHLER, D. E., RASMUSSEN, J. J., & FRIBERG, N. (2011). Temperature and the metabolic balance of streams. Freshwater Biology. https://doi.org/10.1111/j.1365-2427.2010.02554.x
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