Abstract
Previous syntheses have identified the key roles that phylogeny, body size, and trophic level play in determining arthropod stoichiometry. To date, however, detritivores have been largely omitted from such syntheses, despite their importance in nutrient cycling, biodiversity, and food web interactions. Here, we report on a compiled database of the allometry and nutritional stoichiometry (N and P) of detritivorous arthropods. Overall, both N and P content for detritivores varied among major phylogenetic lineages. Detritivore N content was similar to the N content of herbivores, but below that of predators. By contrast, detritivore P content was independent of trophic level. Contrary to previous reports, neither nutrient varied with body size. This analysis places detritivores in the context of related herbivores and predators, and as such, sets the stage for future investigations into the causes and consequences of elemental (mis)matches between detritivores and their detrital resources.
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Acknowledgments
WFF wishes to thank A. Satake and the other members of the Program Committee for inviting him to speak at the 2007 meeting of the Japanese Ecological Society where these results were first presented. This paper reflects, in part, the efforts of the ‘Spatial Stoichiometry’ working group at the National Center for Ecological Analysis and Synthesis, a center funded by the National Science Foundation, the University of California, and the State of California. This paper is also, in part, a product of NSF Award DBI 0548366.
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Holly M. Martinson and Katie Schneider are co-first author.
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Martinson, H.M., Schneider, K., Gilbert, J. et al. Detritivory: stoichiometry of a neglected trophic level. Ecol Res 23, 487–491 (2008). https://doi.org/10.1007/s11284-008-0471-7
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DOI: https://doi.org/10.1007/s11284-008-0471-7