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Stoichiometry of nutrient recycling by vertebrates in a tropical stream: linking species identity and ecosystem processes
Abstract
Ecological stoichiometry offers a framework for predicting how animal species vary in recycling nutrients, thus providing a mechanism for how animal species identity mediates ecosystem processes. Here we show that variation in the rates and ratios at which 28 vertebrate species (fish, amphibians) recycled nitrogen (N) and phosphorus (P) in a tropical stream supports stoichiometry theory. Mass‐specific P excretion rate varied 10‐fold among taxa and was negatively related to animal body P content. In addition, the N : P ratio excreted was negatively related to body N : P. Body mass (negatively related to excretion rates) explained additional variance in these excretion parameters. Body P content and P excretion varied much more among taxonomic families than among species within families, suggesting that familial composition may strongly influence ecosystem‐wide nutrient cycling. Interspecific variation in nutrient recycling, mediated by phylogenetic constraints on stoichiometry and allometry, illustrates a strong linkage between species identity and ecosystem function.
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Cited by
Dominant species maintain ecosystem function with non-random species loss
Smith, M. D., & Knapp, A. K. (2003) · Ecology Letters · doi:10.1046/j.1461-0248.2003.00454.x · Cited by 824
Commonness, population depletion and conservation biology
GASTON, K., & FULLER, R. (2008) · Trends in Ecology & Evolution · doi:10.1016/j.tree.2007.11.001 · Cited by 569
Threshold elemental ratios of carbon and phosphorus in aquatic consumers
Frost, P. C., Benstead, J. P., Cross, W. F., Hillebrand, H., Larson, J. H., Xenopoulos, M. A., & Yoshida, T. (2006) · Ecology Letters · doi:10.1111/j.1461-0248.2006.00919.x · Cited by 365
Vaughn, C. C. (2010) · BioScience · doi:10.1525/bio.2010.60.1.7 · Cited by 349
Penuelas, J., Janssens, I. A., Ciais, P., Obersteiner, M., & Sardans, J. (2020) · Global Change Biology · doi:10.1111/gcb.14981 · Cited by 318
Metadata
- Authors
- Vanni, M. J., Flecker, A. S., Hood, J. M., & Headworth, J. L.
- Venue
- Ecology Letters
- Publisher
- Wiley
- Published
- 2002-03-10
- Volume
- 5
- Issue
- 2
- Pages
- 285-293
- ISSN
- 1461-023X (ISSN-L)
- 1461-0248
- OpenAlex
- W2118684065
- Cited by
- 348
- References
- 6
- FWCI
- 5.91
- Type
- journal article
- Language
- en
- Open access
- closed
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- Vanni, M. J., Flecker, A. S., Hood, J. M., & Headworth, J. L. (2002). Stoichiometry of nutrient recycling by vertebrates in a tropical stream: linking species identity and ecosystem processes. Ecology Letters. https://doi.org/10.1046/j.1461-0248.2002.00314.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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