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Loss of microsatellite diversity and low effective population size in an overexploited population of New Zealand snapper (Pagrus auratus)
- L. Hauser, G. Adcock, Peter J. S. Smith, Julio H. Bernal Ramírez, G. Carvalho
- Biology, MedicineProceedings of the National Academy of Sciences…
- 16 August 2002
If such low Ne/N ratios are commonplace in marine species, many exploited marine fish stocks may be in danger of losing genetic variability, potentially resulting in reduced adaptability, population persistence, and productivity.
Age of cichlids: new dates for ancient lake fish radiations.
- M. Genner, O. Seehausen, +4 authors G. Turner
- Biology, MedicineMolecular biology and evolution
- 1 May 2007
Accumulation of genetic diversity within the radiating lineages of the African Lakes Malawi, Victoria and Barombi Mbo, and Palaeolake Makgadikgadi began around or after the time of lake basin formation, suggesting lakes may have captured preexisting cichlid diversity from multiple sources from which adaptive radiations have evolved.
Paradigm shifts in marine fisheries genetics: ugly hypotheses slain by beautiful facts
An important implication of genetic structuring and the potential for adaptive divergence is that locally adapted populations are unlikely to be replaced through immigration, with potentially detrimental consequences for the resilience to environmental change ‐ a key consideration for sustainable fisheries management.
Biogeography of the Indo-Australian Archipelago
The conservation significance of the IAA is discussed and the need for cross-taxon comparative studies using newly developed analytical approaches well suited to the challenges of historical inference in this region is highlighted.
Environmental DNA for wildlife biology and biodiversity monitoring.
- Kristine Bohmann, Alice R. Evans, +5 authors M. de Bruyn
- Biology, MedicineTrends in ecology & evolution
- 1 June 2014
The current frontiers of eDNA are examined, key aspects requiring improvement are outlined, and future developments and innovations for research are suggested.
SPECIATION IN ANCIENT CRYPTIC SPECIES COMPLEXES: EVIDENCE FROM THE MOLECULAR PHYLOGENY OF BRACHIONUS PLICATILIS (ROTIFERA)
Continental lake-dwelling zooplanktonic organisms have long been considered cosmopolitan species with little geographic variation in spite of the isolation of their habitats. Evidence of…
Ultrasequencing of the meiofaunal biosphere: practice, pitfalls and promises
An overview of meiofaunal metagenetic analyses, ranging from sample preservation and DNA extraction to PCR, sequencing and the bioinformatic interrogation of multiple, independent samples using 454 Roche sequencing platforms, is provided.
Genomic signatures of local directional selection in a high gene flow marine organism; the Atlantic cod (Gadus morhua)
- E. Nielsen, J. Hemmer-Hansen, +7 authors G. Carvalho
- Medicine, BiologyBMC Evolutionary Biology
- 1 December 2009
Findings illustrate that adaptive population divergence may indeed be prevalent despite seemingly high levels of gene flow, as found in most marine fishes and have important implications for the understanding of the interplay of evolutionary forces in general, and for the conservation of marine biodiversity under rapidly increasing evolutionary pressure from climate and fisheries induced changes in local environments.
Molecular genetics and the stock concept in fisheries
The stock concept was linked strongly, at least in theory, with the desire to balance the impacts of harvesting with efforts to ensure continued economic returns, but how to actually recognize a stock was much more difficult to achieve than the theory.
Temporal analysis of archived samples indicates marked genetic changes in declining North Sea cod (Gadus morhua)
- W. Hutchinson, C. Oosterhout, S. Rogers, G. Carvalho
- Biology, MedicineProceedings of the Royal Society of London…
- 22 October 2003
DNA recovered from a temporal series of archived North Sea cod otoliths is used to investigate genetic diversity within the Flamborough Head population between 1954 and 1998, during which time the population underwent two successive declines.