Nutritional constraints in terrestrial and freshwater food webs

James Elser, William F. Fagan, Robert F. Denno, Dean R. Dobberfuhl, Ayoola Folarin, Andrea Huberty, Sebastian Interlandi, Susan S. Kilham, Edward McCauley, Kimberly L. Schulz, Evan H. Siemann, Robert W. Sterner

Research output: Contribution to journalArticle

914 Citations (Scopus)

Abstract

Biological and environmental contrasts between aquatic and terrestrial systems have hindered analyses of community and ecosystem structure across Earth's diverse habitats. Ecological stoichiometry provides an integrative approach for such analyses, as all organisms are composed of the same major elements (C, N, P) whose balance affects production, nutrient cycling, and food-web dynamics. Here we show both similarities and differences in the C:N:P ratios of primary producers (autotrophs) and invertebrate primary consumers (herbivores) across habitats. Terrestrial food webs are built on an extremely nutrient-poor autotroph base with C:P and C:N ratios higher than in lake particulate matter, although the N:P ratios are nearly identical. Terrestrial herbivores (insects) and their freshwater counterparts (zooplankton) are nutrient-rich and indistinguishable in C:N:P stoichiometry. In both lakes and terrestrial systems, herbivores should have low growth efficiencies (10-30%) when consuming autotrophs with typical carbon-to-nutrient ratios. These stoichiometric constraints on herbivore growth appear to be qualitatively similar and widespread in both environments.

Original languageEnglish (US)
Pages (from-to)578-580
Number of pages3
JournalNature
Volume408
Issue number6812
DOIs
StatePublished - Nov 30 2000

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Herbivory
Food Chain
Fresh Water
Ecosystem
Food
Lakes
Zooplankton
Particulate Matter
Invertebrates
Growth
Insects
Carbon

ASJC Scopus subject areas

  • General

Cite this

Elser, J., Fagan, W. F., Denno, R. F., Dobberfuhl, D. R., Folarin, A., Huberty, A., ... Sterner, R. W. (2000). Nutritional constraints in terrestrial and freshwater food webs. Nature, 408(6812), 578-580. https://doi.org/10.1038/35046058

Nutritional constraints in terrestrial and freshwater food webs. / Elser, James; Fagan, William F.; Denno, Robert F.; Dobberfuhl, Dean R.; Folarin, Ayoola; Huberty, Andrea; Interlandi, Sebastian; Kilham, Susan S.; McCauley, Edward; Schulz, Kimberly L.; Siemann, Evan H.; Sterner, Robert W.

In: Nature, Vol. 408, No. 6812, 30.11.2000, p. 578-580.

Research output: Contribution to journalArticle

Elser, J, Fagan, WF, Denno, RF, Dobberfuhl, DR, Folarin, A, Huberty, A, Interlandi, S, Kilham, SS, McCauley, E, Schulz, KL, Siemann, EH & Sterner, RW 2000, 'Nutritional constraints in terrestrial and freshwater food webs', Nature, vol. 408, no. 6812, pp. 578-580. https://doi.org/10.1038/35046058
Elser J, Fagan WF, Denno RF, Dobberfuhl DR, Folarin A, Huberty A et al. Nutritional constraints in terrestrial and freshwater food webs. Nature. 2000 Nov 30;408(6812):578-580. https://doi.org/10.1038/35046058
Elser, James ; Fagan, William F. ; Denno, Robert F. ; Dobberfuhl, Dean R. ; Folarin, Ayoola ; Huberty, Andrea ; Interlandi, Sebastian ; Kilham, Susan S. ; McCauley, Edward ; Schulz, Kimberly L. ; Siemann, Evan H. ; Sterner, Robert W. / Nutritional constraints in terrestrial and freshwater food webs. In: Nature. 2000 ; Vol. 408, No. 6812. pp. 578-580.
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