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Sci Total Environ. 2017 Oct 15;596:465-480. doi: 10.1016/j.scitotenv.2017.04.081. Epub 2017 Apr 27.

River ecosystem processes: A synthesis of approaches, criteria of use and sensitivity to environmental stressors.

The Science of the total environment

Daniel von Schiller, Vicenç Acuña, Ibon Aristi, Maite Arroita, Ana Basaguren, Alberto Bellin, Luz Boyero, Andrea Butturini, Antoni Ginebreda, Eleni Kalogianni, Aitor Larrañaga, Bruno Majone, Aingeru Martínez, Silvia Monroy, Isabel Muñoz, Momir Paunović, Olatz Pereda, Mira Petrovic, Jesús Pozo, Sara Rodríguez-Mozaz, Daniel Rivas, Sergi Sabater, Francesc Sabater, Nikolaos Skoulikidis, Libe Solagaistua, Leonidas Vardakas, Arturo Elosegi

Affiliations

  1. Department of Plant Biology and Ecology, Faculty of Science and Technology, University of the Basque Country, 48080 Bilbao, Spain. Electronic address: [email protected].
  2. Catalan Institute for Water Research (ICRA), Carrer Emili Grahit 101, 17003 Girona, Spain.
  3. Department of Plant Biology and Ecology, Faculty of Science and Technology, University of the Basque Country, 48080 Bilbao, Spain.
  4. Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, I-38123 Trento, Italy.
  5. Department of Plant Biology and Ecology, Faculty of Science and Technology, University of the Basque Country, 48080 Bilbao, Spain; IKERBASQUE, Basque Foundation for Science, María Díaz Haroko 3, 48013 Bilbao, Spain; College of Marine and Environmental Sciences, James Cook University, 4811 Townsville, Queensland, Australia.
  6. Department of Evolutionary Biology, Ecology and Environmental Sciences, Universitat de Barcelona, Av. Diagonal 643, 08028 Barcelona, Spain.
  7. Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA-CSIC), Carrer Jordi Girona 18-26, 08034 Barcelona, Spain.
  8. Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland Waters, P.O. Box 712, 19013 Anavissos Attica, Greece.
  9. Institute for Biological Research "Siniša Stankovi?", University of Belgrade, Bulevardespota Stefana 142, 11000 Belgrade, Serbia.
  10. Catalan Institute for Water Research (ICRA), Carrer Emili Grahit 101, 17003 Girona, Spain; ICREA, Passeig Lluís Companys 23, 08010 Barcelona, Spain.
  11. Catalan Institute for Water Research (ICRA), Carrer Emili Grahit 101, 17003 Girona, Spain; GRECO, Institute of Aquatic Ecology, University of Girona, Campus Montilivi, 17071 Girona, Spain.

PMID: 28458222 DOI: 10.1016/j.scitotenv.2017.04.081

Abstract

River ecosystems are subject to multiple stressors that affect their structure and functioning. Ecosystem structure refers to characteristics such as channel form, water quality or the composition of biological communities, whereas ecosystem functioning refers to processes such as metabolism, organic matter decomposition or secondary production. Structure and functioning respond in contrasting and complementary ways to environmental stressors. Moreover, assessing the response of ecosystem functioning to stressors is critical to understand the effects on the ecosystem services that produce direct benefits to humans. Yet, there is more information on structural than on functional parameters, and despite the many approaches available to measure river ecosystem processes, structural approaches are more widely used, especially in management. One reason for this discrepancy is the lack of synthetic studies analyzing river ecosystem functioning in a way that is useful for both scientists and managers. Here, we present a synthesis of key river ecosystem processes, which provides a description of the main characteristics of each process, including criteria guiding their measurement as well as their respective sensitivity to stressors. We also discuss the current limitations, potential improvements and future steps that the use of functional measures in rivers needs to face.

Copyright © 2017 The Author(s). Published by Elsevier B.V. All rights reserved.

Keywords: Aquatic; Ecosystem health; Function; Functioning; Methods; Running water

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