Ecology, evolution, and management strategies of northern pike populations in the Baltic Sea

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ID: 112863
2015
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Abstract
Baltic Sea populations of the northern pike (Esox lucius) have declined since the 1990s, and they face additional challenges due to ongoing climate change. Pike in the Baltic Sea spawn either in coastal bays or in freshwater streams and wetlands. Pike recruited in freshwater have been found to make up about 50 % of coastal pike stocks and to show natal homing, thus limiting gene flow among closely located spawning sites. Due to natal homing, sub-populations appear to be locally adapted to their freshwater recruitment environments. Management actions should therefore not involve mixing of individuals originating from different sub-populations. We offer two suggestions complying with this advice: (i) productivity of extant freshwater spawning populations can be boosted by modifying wetlands such that they promote spawning and recruitment; and (ii) new sub-populations that spawn in brackish water can potentially be created by transferring fry and imprinting them on seemingly suitable spawning environments.
Reference Key
larsson2015ambioecology, Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Per Larsson;Petter Tibblin;Per Koch-Schmidt;Olof Engstedt;Jonas Nilsson;Oscar Nordahl;Anders Forsman;Per Larsson;Petter Tibblin;Per Koch-Schmidt;Olof Engstedt;Jonas Nilsson;Oscar Nordahl;Anders Forsman;
Journal ambio
Year 2015
DOI
doi:10.1007/s13280-015-0664-6
URL
https://dx.doi.org/10.1007/s13280-015-0664-6
Keywords
Ecology environment physical geography environmental management atmospheric sciences general environmental engineering/biotechnology National Center for Biotechnology Information NCBI NLM MEDLINE pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't climate change biological evolution* fresh water pmid:26022327 pmc4447694 doi:10.1007/s13280-015-0664-6 per larsson petter tibblin anders forsman ecology*

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