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The future of Baltic Sea populations: local extinction or evolutionary rescue?
Södertörn University, Centre for Baltic and East European Studies (CBEES).
Södertörn University, School of Life Sciences, Environmental science. Södertörn University, School of Life Sciences, Biology.ORCID iD: 0000-0003-3389-4162
2011 (English)In: Ambio, ISSN 0044-7447, Vol. 40, no 2, 179-190 p.Article in journal (Refereed) Published
Abstract [en]

Environmental change challenges local and global survival of populations and species. In a species-poor environment like the Baltic Sea this is particularly critical as major ecosystem functions may be upheld by single species. A complex interplay between demographic and genetic characteristics of species and populations determines risks of local extinction, chances of re-establishment of lost populations, and tolerance to environmental changes by evolution of new adaptations. Recent studies show that Baltic populations of dominant marine species are locally adapted, have lost genetic variation and are relatively isolated. In addition, some have evolved unusually high degrees of clonality and others are representatives of endemic (unique) evolutionary lineages. We here suggest that a consequence of local adaptation, isolation and genetic endemism is an increased risk of failure in restoring extinct Baltic populations. Additionally, restricted availability of genetic variation owing to lost variation and isolation may negatively impact the potential for evolutionary rescue following environmental change.

Place, publisher, year, edition, pages
2011. Vol. 40, no 2, 179-190 p.
National Category
Biological Sciences
Research subject
Environmental Studies
URN: urn:nbn:se:sh:diva-8392DOI: 10.1007/s13280-010-0129-xISI: 000286933300008PubMedID: 21446396ScopusID: 2-s2.0-79951760834OAI: diva2:415241
The Foundation for Baltic and East European StudiesSwedish Research CouncilFormasEU, FP7, Seventh Framework Programme
Available from: 2011-05-06 Created: 2011-05-06 Last updated: 2014-02-10Bibliographically approved

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