Effective monitoring of freshwater fish



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Radinger, Johannes and Britton, J. Robert and Carlson, Stephanie M. and Magurran, Anne E. and Alcaraz‐Hernández, Juan Diego and Almodóvar Pérez, Ana María and Benejam, Lluís and Fernández‐Delgado, Carlos and Nicola, Graciela G. and Oliva‐Paterna, Francisco J. and Torralva, Mar and García‐Berthou, Emili (2019) Effective monitoring of freshwater fish. Fish and Fisheries, 20 (4). pp. 729-747. ISSN 1467-2960, ESSN: 1467-2979

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Official URL: https://onlinelibrary.wiley.com/doi/10.1111/faf.12373


Freshwater ecosystems constitute only a small fraction of the planet's water re‐ sources, yet support much of its diversity, with freshwater fish accounting for more species than birds, mammals, amphibians or reptiles. Fresh waters are, however, par‐ ticularly vulnerable to anthropogenic impacts, including habitat loss, climate and land use change, pollution and biological invasions. This environmental degradation, com‐ bined with unprecedented rates of biodiversity change, highlights the importance of robust and replicable programmes to monitor freshwater fish. Such monitoring programmes can have diverse aims, including confirming the presence of a single species (e.g., early detection of alien species), tracking changes in the abundance of threatened species, or documenting long‐term temporal changes in entire communi‐ ties. Irrespective of their motivation, monitoring programmes are only fit for purpose if they have clearly articulated aims and collect data that can meet those aims. This review, therefore, highlights the importance of identifying the key aims in monitor‐ ing programmes and outlines the different methods of sampling freshwater fish that can be used to meet these aims. We emphasize that investigators must address is‐ sues around sampling design, statistical power, species’ detectability, taxonomy and ethics in their monitoring programmes. Additionally, programmes must ensure that high‐quality monitoring data are properly curated and deposited in repositories that will endure. Through fostering improved practice in freshwater fish monitoring, this review aims to help programmes improve understanding of the processes that shape the Earth's freshwater ecosystems and help protect these systems in face of rapid environmental change.

Item Type:Article
Uncontrolled Keywords:Biodiversity targets; Ecological monitoring; Environmental assessment; Environmental management; Rivers and lakes; Sampling design
Subjects:Medical sciences > Biology > Ecology
ID Code:58173
Deposited On:19 Dec 2019 09:07
Last Modified:19 Dec 2019 09:07

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