Not just a migration problem: Metapopulations, habitat shifts and gene flow are also important for fishway science and management

Martin Wilkes, Angus Webb, P. Pompeu, L. Silva, Andrew Vowles, C. Baker, Paul Franklin, Oscar Link, Evelyn Habit, P. Kemp

Research output: Contribution to journalArticle

7 Citations (Scopus)
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Abstract

Worldwide, fishways are increasingly criticised for failing to meet conservation goals. We argue that this is largely due to the dominance of diadromous species of the Northern Hemisphere (e.g. Salmonidae) in the research that underpins the concepts and methods of fishway science and management. With highly diverse life histories, swimming abilities and spatial ecologies, most freshwater fish species do not conform to the stereotype imposed by this framework. This is leading to a global proliferation of fishways that are often unsuitable for native species. The vast majority of fish populations do not undertake extensive migrations between clearly separated critical habitats, yet the movement of individuals and the genetic information they carry is critically important for population viability. We briefly review some of the latest advances in spatial ecological modelling for dendritic networks to better define what it means to achieve effective fish passage at a barrier. Through a combination of critical habitat assessment and the modelling of metapopulations, climate change-driven habitat shifts and adaptive gene flow, we recommend a conceptual and methodological framework for fishway target-setting and monitoring suitable for a wide range of species. In the process, we raise a number of issues that should contribute to the ongoing debate about fish passage research and the design and monitoring of fishways.
Original languageEnglish
Number of pages9
JournalRiver Research and Applications
Issue numberSpecial Issue
Early online date9 Aug 2018
DOIs
Publication statusE-pub ahead of print - 9 Aug 2018

Fingerprint

Fishways
metapopulation
gene flow
Genes
Fish
habitat
fish
ecological modeling
monitoring
native species
Monitoring
Ecology
Northern Hemisphere
viability
life history
Climate change
ecology
Conservation
climate change
science

Bibliographical note

This is the peer reviewed version of the following article: Wilkes, M, Webb, A, Pompeu, P, Silva, L, Vowles, A, Baker, C, Franklin, P, Link, O, Habit, E & Kemp, P 2018, 'Not just a migration problem: Metapopulations, habitat shifts and gene flow are also important for fishway science and management' River Research and Applications, no. Special Issue, which has been published in final form at
https://dx.doi.org/10.1002/rra.3320
This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

Keywords

  • fishway
  • fish passage
  • metapopulation
  • dispersal
  • gene flow

Cite this

Not just a migration problem: Metapopulations, habitat shifts and gene flow are also important for fishway science and management. / Wilkes, Martin; Webb, Angus; Pompeu, P.; Silva, L.; Vowles, Andrew; Baker, C.; Franklin, Paul; Link, Oscar; Habit, Evelyn; Kemp, P.

In: River Research and Applications, No. Special Issue, 09.08.2018.

Research output: Contribution to journalArticle

Wilkes, Martin ; Webb, Angus ; Pompeu, P. ; Silva, L. ; Vowles, Andrew ; Baker, C. ; Franklin, Paul ; Link, Oscar ; Habit, Evelyn ; Kemp, P. / Not just a migration problem: Metapopulations, habitat shifts and gene flow are also important for fishway science and management. In: River Research and Applications. 2018 ; No. Special Issue.
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