On the consequences of aggregation and balancing of networks on system properties derived from ecological network analysis

Baird D, Fath BD, Ulanowicz RE, Asmus H, & Asmus R (2009). On the consequences of aggregation and balancing of networks on system properties derived from ecological network analysis. Ecological Modelling 220 (23): 3465-3471. DOI:10.1016/j.ecolmodel.2009.09.008.

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Abstract

In the ecological network analysis (ENA) of complex flow food webs the assumption is often made that the models characterizing the flows and stocks of ecosystems occur in a steady state where inflows equals outflows. An assessment of the system indices derived from ENA of six balanced and unbalanced system models, respectively, indicate to differences between indices. The aggregation of highly articulated flow models into models with fewer compartments also has drastic effects on the system metrics, particularly on the information indices.

Item Type: Article
Uncontrolled Keywords: Ecological network analysis; Steady state models; Non-steady state models: Balancing; Aggregation; System indices; Sylt-Romo Bight
Research Programs: Dynamic Systems (DYN)
Bibliographic Reference: Ecological Modelling; 220(23):3465-3471 (10 December 2009)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:41
Last Modified: 14 Sep 2016 10:02
URI: http://pure.iiasa.ac.at/8807

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