Moving beyond fitting fish into equations: Progressing the fish passage debate in the Anthropocene

Martin Wilkes, Kim Birnie-Gauvin, Paul Franklin, Kim Aarestrup

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Realization of the importance of fish passage for migratory species has led to the development of innovative and creative solutions (‘fishways’) to mitigate the effects of artificial barriers in freshwater systems in the last few decades. In many instances, however, the first move has been to attempt to engineer a solution to the problem, thus attempting to ‘fit fish into an equation’. These fishways are often derived from designs targeting salmonids in the Northern Hemisphere. They are rarely adequate, even for these strong-swimming fish, and certainly appear to be unsuitable for most other species, not least for those of tropical regions. Fishway design criteria do not adequately account for natural variation among individuals, populations and species. Moreover, engineered solutions cannot reinstate the natural habitat and geomorphological properties of the river, objectives that have been largely ignored. This article discusses the most prominent issues with the current management and conservation of freshwater ecosystems as it pertains to fish passage. It is not intended as a review on fish passage, but rather a perspective on the issues related to fishways, as seen by practitioners.

Original languageEnglish
Pages (from-to)1095-1105
Number of pages11
JournalAquatic Conservation: Marine and Freshwater Ecosystems
Volume29
Issue number7
Early online date9 Aug 2018
DOIs
Publication statusPublished - Jul 2019

Fingerprint

fish
migratory species
freshwater ecosystem
individual variation
tropical region
Salmonidae
engineers
targeting
tropics
Northern Hemisphere
Anthropocene
rivers
habitat
habitats
river
effect
freshwater ecosystems

Bibliographical note

This is the peer reviewed version of the following article Wilkes, M, Birnie-Gauvin,
K, Franklin, P & Aarestrup, K 2018, 'Moving beyond fitting fish into equations:
Progressing the fish passage debate in the Anthropocene' Aquatic Conservation:
Marine and Freshwater Ecosystems, vol (In-Press), pp. (In-Press). This article may
be used for non-commercial purposes in accordance with Wiley Terms and
Conditions for Self-Archiving.

Keywords

  • biodiversity
  • conservation
  • dams
  • ecological engineering
  • fishways
  • freshwater
  • habitat
  • hydropower
  • management
  • weirs

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology
  • Nature and Landscape Conservation

Cite this

Moving beyond fitting fish into equations: Progressing the fish passage debate in the Anthropocene. / Wilkes, Martin; Birnie-Gauvin, Kim; Franklin, Paul; Aarestrup, Kim.

In: Aquatic Conservation: Marine and Freshwater Ecosystems, Vol. 29, No. 7, 07.2019, p. 1095-1105.

Research output: Contribution to journalArticle

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