SAINT-BÉAT, B.; BAIRD, D.; ASMUS, H.; ASMUS, R.; BACHER, C.; PACELLA, S.R.; JOHNSON, G.A.; DAVID, Valerie; VÉZINA, A.F.; NIQUIL, N.

doi:10.1016/j.ecolind.2014.12.017

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SAINT-BÉAT, B.
LIttoral ENvironnement et Sociétés [LIENSs]

BAIRD, D.
NASA Johnson Space Center [JSC]

ASMUS, H.
Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine [AWI]

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Ecological Indicators. 2015-05, vol. 52, p. 458--471

Résumé en anglais

In the context of present global changes, interest in understanding how systems respond to anthropogenic environmental pressures and stress has increased. Indices that characterize ecosystem state are helpful tools for the interpretation of ecosystem responses. The central question is how to link these responses to ecosystem structure and functioning and to quantify ecosystem persistence, resistance or resilience. Quantification and characterization of trophic networks by ecological network analysis (ENA) indices is proceeding rapidly, especially in the field of coastal ecology. In this contribution, we review several theories that relate ecosystem structure and function to stability. The structure and functioning of ecosystems change during the maturation of ecosystems. In the first section, the maturation of ecosystems is described using thermodynamics. In the second and third parts of this paper, we define some concepts for analysing structure and functioning of food webs and discuss their relation to stability. In the last section, we describe three ENA indices and their link to stability. We demonstrate that ENA provides powerful tools for describing local stability, combining quantitative and qualitative concepts. However, it remains incomplete for describing real conservation cases that combine local and global stability. © 2015 Elsevier Ltd. All rights reserved.< Réduire

Mots clés en anglais

food web

ecosystem function

Ecosystems

Food webs

network analysis

Ecological network analysis

ecosystem structure

ecosystem response

Electric resistance

Environmental pressures

Local and global stabilities

Maturity

thermodynamics

Stability properties

Stability

Resistance

Resilience

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Trophic networks: How do theories link ecosystem structure and functioning to stability properties? A review

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