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- W2753005120 abstract "In ecological communities consumers (excluding parasites and parasitoids) are in general larger and less numerous than their resource. This results in a well-known observation known as 'Eltonian pyramids' or the 'pyramid of numbers', and metabolic arguments suggest that this pattern is independent of the number of trophic levels in a system. At the same time, Lotka-Volterra (LV) consumer-resource models are a frequently used tool to study many questions in community ecology, but their capacity to produce Eltonian pyramids has not been formally analysed. Here, I address this knowledge gap by investigating if and when LV food chain models give rise to Eltonian pyramids. I show that Eltonian pyramids are difficult to reproduce without density-dependent mortality in the consumers, unless biologically plausible relationships between mortality rate and interaction strength are taken into account." @default.
- W2753005120 created "2017-09-15" @default.
- W2753005120 creator A5004059214 @default.
- W2753005120 date "2017-09-07" @default.
- W2753005120 modified "2023-10-17" @default.
- W2753005120 title "Conditions for Eltonian Pyramids in Lotka-Volterra Food Chains" @default.
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- W2753005120 doi "https://doi.org/10.1038/s41598-017-11204-1" @default.
- W2753005120 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5589755" @default.
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