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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0141478
论文题名:	Atlantic Bluefin Tuna (Thunnus thynnus) Biometrics and Condition
作者:	Enrique Rodriguez-Marin; Mauricio Ortiz; José María Ortiz de Urbina; Pablo Quelle; John Walter; Noureddine Abid; Piero Addis; Enrique Alot; Irene Andrushchenko; Simeon Deguara; Antonio Di Natale; Mark Gatt; Walter Golet; Saadet Karakulak; Ai Kimoto; David Macias; Samar Saber; Miguel Neves Santos; Rafik Zarrad
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-10-27
卷:	10, 期:10
语种:	英语
英文关键词:	Tuna ; Spawning ; Biometrics ; Fisheries ; Fish physiology ; Mediterranean Sea ; Animal migration ; Fish biology
英文摘要:	The compiled data for this study represents the first Atlantic and Mediterranean-wide effort to pool all available biometric data for Atlantic bluefin tuna (Thunnus thynnus) with the collaboration of many countries and scientific groups. Biometric relationships were based on an extensive sampling (over 140,000 fish sampled), covering most of the fishing areas for this species in the North Atlantic Ocean and Mediterranean Sea. Sensitivity analyses were carried out to evaluate the representativeness of sampling and explore the most adequate procedure to fit the weight-length relationship (WLR). The selected model for the WLRs by stock included standardized data series (common measurement types) weighted by the inverse variability. There was little difference between annual stock-specific round weight-straight fork length relationships, with an overall difference of 6% in weight. The predicted weight by month was estimated as an additional component in the exponent of the weight-length function. The analyses of monthly variations of fish condition by stock, maturity state and geographic area reflect annual cycles of spawning and feeding behavior. We update and improve upon the biometric relationships for bluefin currently used by the International Commission for the Conservation of Atlantic Tunas, by incorporating substantially larger datasets than ever previously compiled, providing complete documentation of sources and employing robust statistical fitting. WLRs and other conversion factors estimated in this study differ from the ones used in previous bluefin stock assessments.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0141478&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/22588
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0141478.PDF（2558KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Instituto Español de Oceanografía, C.O. Santander, Santander, Spain;International Commission for the Conservation of Atlantic Tunas, Secretariat, Madrid, Spain;Instituto Español de Oceanografía, C.O. Málaga, Málaga, Spain;Instituto Español de Oceanografía, C.O. Santander, Santander, Spain;National Marine Fisheries Service, Southeast Fisheries Center, Sustainable Fisheries Division, Miami, Florida, United States of America;Institut National de Recherche Halieutique (INRH), Regional Centre of Tangier, Tangier, Morocco;University of Cagliari, Department of Life Science and Environment, Cagliari, Italy;Instituto Español de Oceanografía, C.O. Málaga, Málaga, Spain;Fisheries and Oceans Canada, St. Andrews Biological Station, St. Andrews, New Brunswick, Canada;Federation of Maltese Aquaculture Producers, Valletta, Malta;International Commission for the Conservation of Atlantic Tunas, GBYP Program, Madrid, Spain;Fisheries Resource Unit, Department of Fisheries and Aquaculture, Marsa, Malta;Gulf of Maine Research Institute, Portland, United States of America;Istanbul University, Faculty of Fisheries, Istanbul, Turkey;National Research Institute of Far Seas Fisheries, Fisheries Research Agency, Shizuoka, Japan;Instituto Español de Oceanografía, C.O. Málaga, Málaga, Spain;Universidad de Málaga, Departamento de Biología Animal, Málaga, Spain;International Commission for the Conservation of Atlantic Tunas, Secretariat, Madrid, Spain;Institut National des Sciences et Technologies de la Mer, Mahdia, Tunisia

Recommended Citation:

Enrique Rodriguez-Marin,Mauricio Ortiz,José María Ortiz de Urbina,et al. Atlantic Bluefin Tuna (Thunnus thynnus) Biometrics and Condition[J]. PLOS ONE,2015-01-01,10(10)

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