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DOI10.1111/ele.13876
A consumer-driven recycling theory for the impact of large herbivores on terrestrial ecosystem stoichiometry
Tanguy Daufresne
2021-09-14
发表期刊Ecology Letters
出版年2021
英文摘要

Biological control of nutrient cycles is well documented in aquatic ecosystems, where consumer-driven recycling by herbivores can significantly impact ecosystem stoichiometry. In contrast, little is known in terrestrial ecosystems, where there is evidence that herbivores can also impact ecosystem stoichiometry. I studied a stoichiometric model of the soil-plant-herbivore system. The model shows that herbivores influence the ecosystem stoichiometry mainly through the direct and indirect controls of ecosystem inputs and losses, in a more complex way than predicted by the classic consumer-driven recycling theory. Overall, it shows that herbivores affect nutrient ratios in terrestrial ecosystems mostly independently of their own stoichiometric ratios, and that their impact may be different in forest versus grassland. The results highlight the sensitivity of terrestrial ecosystems to elusive actors, negligible in biomass but capable of modifying nutrient loss rates with major impacts on nutrient cycles and ecosystem stoichiometry.

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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/338810
专题资源环境科学
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Tanguy Daufresne. A consumer-driven recycling theory for the impact of large herbivores on terrestrial ecosystem stoichiometry[J]. Ecology Letters,2021.
APA Tanguy Daufresne.(2021).A consumer-driven recycling theory for the impact of large herbivores on terrestrial ecosystem stoichiometry.Ecology Letters.
MLA Tanguy Daufresne."A consumer-driven recycling theory for the impact of large herbivores on terrestrial ecosystem stoichiometry".Ecology Letters (2021).
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