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Coupling Demographic and Genetic Variability from Archived Collections of European Anchovy (Engraulis encrasicolus).

التفاصيل البيبلوغرافية
العنوان: Coupling Demographic and Genetic Variability from Archived Collections of European Anchovy (Engraulis encrasicolus).
المؤلفون: Paolo Ruggeri, Andrea Splendiani, Cristina Di Muri, Tatiana Fioravanti, Alberto Santojanni, Iole Leonori, Andrea De Felice, Ilaria Biagiotti, Piera Carpi, Enrico Arneri, Paola Nisi Cerioni, Massimo Giovannotti, Vincenzo Caputo Barucchi
المصدر: PLoS ONE, Vol 11, Iss 3, p e0151507 (2016)
بيانات النشر: Public Library of Science (PLoS), 2016.
سنة النشر: 2016
المجموعة: LCC:Medicine
LCC:Science
مصطلحات موضوعية: Medicine, Science
الوصف: It is well known that temporal fluctuations in small populations deeply influence evolutionary potential. Less well known is whether fluctuations can influence the evolutionary potentials of species with large census sizes. Here, we estimated genetic population parameters from as survey of polymorphic microsatellite DNA loci in archived otoliths from Adriatic European anchovy (Engraulis encrasicolus), a fish with large census sizes that supports numerous local fisheries. Stocks have fluctuated greatly over the past few decades, and the Adriatic fishery collapsed in 1987. Our results show a significant reduction of mean genetic parameters as a consequence of the population collapse. In addition, estimates of effective population size (Ne) are much smaller than those expected in a fishes with large population census sizes (Nc). Estimates of Ne indicate low effective population sizes, even before the population collapse. The ratio Ne/Ne ranged between 10-6 and 10-8, indicating a large discrepancy between the anchovy gene pool and population census size. Therefore, anchovy populations may be more vulnerable to fishery effort and environmental change than previously thought.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1932-6203
Relation: http://europepmc.org/articles/PMC4794184?pdf=render; https://doaj.org/toc/1932-6203
DOI: 10.1371/journal.pone.0151507
URL الوصول: https://doaj.org/article/6ac969134a9549f79c5e3d33890b8c6a
رقم الأكسشن: edsdoj.6ac969134a9549f79c5e3d33890b8c6a
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:19326203
DOI:10.1371/journal.pone.0151507