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Biodiversity and phylogeography of Arctic marine fauna: insights from molecular tools
Hardy, S.M.; Carr, C.M.; Hardman, M.; Steinke, D.; Corstorphine, E.; Mah, C. (2011). Biodiversity and phylogeography of Arctic marine fauna: insights from molecular tools. Mar. Biodiv. Spec. Issue 41(1): 195-210
In: Marine Biodiversity. Springer: Heidelberg; Berlin. ISSN 1867-1616; e-ISSN 1867-1624
|  |
| Trefwoorden |
Acids > Organic compounds > Organic acids > Nucleic acids > DNA
Aquatic organisms > Marine organisms
Biodiversity
Circulation
Classification > Taxonomy > Chemotaxonomy
Coding
Geography > Biogeography
Glaciation
PN, Arctic
Arctisch [Marine Regions]
Marien/Kust |
| Auteurs | | Top |
- Hardy, S.M.
- Carr, C.M.
- Hardman, M.
|
- Steinke, D.
- Corstorphine, E.
- Mah, C.
|
|
| Abstract |
The last decade has seen an increase in the frequency and breadth of application of molecular tools, many of which are beginning to shed light on long-standing questions in biogeography and evolutionary history of marine fauna. We explore new developments with respect to Arctic marine invertebrates, focusing on molecular taxonomy and phylogeography—two areas that have seen the most progress in the time-frame of the Census of Marine Life. International efforts to generate genetic ‘barcodes’ have yielded new taxonomic insights and applications ranging from diet analysis to identification of larval forms. Increasing availability of genetic data in public databases is also facilitating exploration of large-scale patterns in Arctic marine populations. We present new case-studies in meta-population analysis of barcode data from polychaetes and echinoderms that demonstrate such phylogeographic applications. Emerging patterns from ours and other published studies include influences of a complex climatic and glacial history on genetic diversity and evolution in the Arctic, and contrasting patterns of both high gene flow and persistent biogeographic boundaries in contemporary populations. |
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