Secondary production as a tool for better understanding of aquatic ecosystems

Author:

Dolbeth M.1,Cusson M.2,Sousa R.34,Pardal M.A.1

Affiliation:

1. CFE — Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Apartado 3046, 3001-401 Coimbra, Portugal.

2. Département des sciences fondamentales, Université du Québec à Chicoutimi, 555 rue de l’Université, Chicoutimi, QC G7H 2B1, Canada.

3. CBMA — Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.

4. CIMAR-LA/CIIMAR — Centre of Marine and Environmental Research, Rua dos Bragas 289, 4050-123 Porto, Portugal.

Abstract

A major challenge for ecologists is understanding ecosystem dynamics and function under environmental and anthropogenic stresses. An approach for addressing this challenge is the analysis of the different components contributing to secondary production (i.e., consumer incorporation of organic matter or energy per time unit) and how this production is influenced by external factors. Production studies have been recognized as a powerful tool in aquatic ecology, with applications in energy–biomass flow studies, trophic ecology, management of biological resources, as well as assessment of environmental stress. In this paper, we summarize ideas and techniques related to the estimation of secondary production and discuss how this approach may be used to evaluate ecological change in aquatic ecosystems. We include a critical review of classical methods and empirical models to estimate secondary production and provide several applications of production studies to current stresses affecting aquatic ecosystems, such as climate change, pollution, and the introduction of non-indigenous invasive species. Our goal is to illustrate the advantages of using secondary production as a more integrative tool for the assessment of the ecosystem function, in particular when subjected to strong anthropogenic and climatic stress.

Publisher

Canadian Science Publishing

Subject

Aquatic Science,Ecology, Evolution, Behavior and Systematics

Reference129 articles.

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2. Structure and production of the benthic macroinvertebrate community in a shallow lagoon in the Bay of Cadiz

3. A modification of the Hynes method for estimating secondary production with particular significance for multivoltine populations

4. Benke, A.C. 1984. Secondary production of aquatic insects.InEcology of aquatic insects.Editedby V.H. Resh and D.M. Rosenberg. Praeger, New York, USA. pp. 289–322.

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