What is it about?
This study assessed whether genetic structure is temporally stable or unstable, or how genetic characteristics change over time. We found that fine-scale genetic structure in masu salmon populations was temporally unstable, due perhaps to genetic drift in small isolated populations, temporal changes in environmental conditions (e.g. drought), and a combination of these factors.
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Why is it important?
Our findings show that the genetic structure among populations could easily be affected by temporal and/or sampling issues. Thus, studies focused on temporal genetic structuring should be important for conservation of species inhabiting unstable or isolated habitats.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations. I hope that this article contribute to achieve a good balance between fishery activities and management of salmonid resources and ultimately to conserve aquatic ecosystems.
Shigeru Kitanishi
Oita Daigaku
Read the Original
This page is a summary of: Short-term temporal instability in fine-scale genetic structure of masu salmon, Freshwater Biology, July 2017, Wiley,
DOI: 10.1111/fwb.12978.
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