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| DC Element | Wert | Sprache |
|---|---|---|
| Autor*in | Ólafsdóttir, Guðbjörg Ásta | - |
| Autor*in | Pálsson, Snæbjörn | - |
| Autor*in | Edvardsson, Ragnar | - |
| Autor*in | Westfall, Kristen M. | - |
| Datum | 2014 | - |
| Quelle | http://www.ncbi.nlm.nih.gov/pubmed/24403343 | - |
| Quelle | https://doi.org/10.1098/rspb.2013.2976 | - |
| Quelle | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3896027 | - |
| URI | https://www.amad.org/jspui/handle/123456789/68270 | - |
| Beschreibung | Atlantic cod (Gadus morhua) vertebrae from archaeological sites were used to study the history of the Icelandic Atlantic cod population in the time period of 1500–1990. Specifically, we used coalescence modelling to estimate population size and fluctuations from the sequence diversity at the cytochrome b (cytb) and Pantophysin I (PanI) loci. The models are consistent with an expanding population during the warm medieval period, large historical effective population size (NE), a marked bottleneck event at 1400–1500 and a decrease in NE in early modern times. The model results are corroborated by the reduction of haplotype and nucleotide variation over time and pairwise population distance as a significant portion of nucleotide variation partitioned across the 1550 time mark. The mean age of the historical fished stock is high in medieval times with a truncation in age in early modern times. The population size crash coincides with a period of known cooling in the North Atlantic, and we conclude that the collapse may be related to climate or climate-induced ecosystem change. | - |
| Sprache | eng | - |
| Rechte | © 2014 The Author(s) Published by the Royal Society. All rights reserved. | - |
| Schlagwörter | Research Articles | - |
| Dewey-Dezimalklassifikation | 940 | - |
| Titel | Historical DNA reveals the demographic history of Atlantic cod (Gadus morhua) in medieval and early modern Iceland | - |
| Typ | Text | - |
| AMAD ID | 573880 | - |
| Jahr | 2014 | - |
| Open Access | 1 | - |
| Enthalten in den Sammlungen: | BASE (Bielefeld Academic Search Engine) General history of Europe | |
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