Energy pathways in ecological food webs

Fath BD (2007). Energy pathways in ecological food webs. In: The 6th European Conference on Ecological Modeling (ECEM07), 27-30 November 2007.

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Abstract

Conventional ecological wisdom holds that nutrients cycle and energy flows in unidirectional chains. However, here, we show that cyclic energy pathways do exist and are common in ecosystems. These important pathways are structurally present primarily due to the contribution of dead organic matter into detrital pools and those organisms that feed on them, reintroducing some of that energy back into the food web. Recognition of these cyclic energy pathways profoundly impacts many aspects of ecology such as trophic levels, control, and the importance of indirect effects. Network analysis, specifically the maximum eigenvalue of the connectance matrix, is used to identify both the presence and strength of these structural cycles.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Research Programs: Dynamic Systems (DYN)
Bibliographic Reference: In:; The 6th European Conference on Ecological Modeling (ECEM07); 27-30 November 2007, Trieste, Italy
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:40
Last Modified: 20 Jan 2016 16:44
URI: http://pure.iiasa.ac.at/8354

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