气候变化领域集成服务门户(CCPortal): Analysis of the state of conservation of Trachurus trachurus in the Western Mediterranean Sea based on the interannual (2009-2020) changes in their life history traits

CCPortal

DOI	10.1007/s00227-023-04356-4
	Analysis of the state of conservation of Trachurus trachurus in the Western Mediterranean Sea based on the interannual (2009-2020) changes in their life history traits
	Rodriguez-Castaneda, Jose Carlos; Ventero, Ana; Iglesias, Magdalena
发表日期	2024
ISSN	0025-3162
EISSN	1432-1793
起始页码	171
结束页码	1
卷号	171 期号:1
英文摘要	Horse mackerel is a semi-pelagic fish widely distributed in the eastern Atlantic, where it represents a species of interest for fisheries and is subject to intense exploitation, leading to its global classification as a vulnerable species by IUCN. In the Northwestern (NW) Mediterranean Sea, the knowledge of their distribution, abundance and main biological parameters is fundamental to achieve their sustainable exploitation and contribute to the ecosystem approach to fisheries management. The time series (2009-2020) data set analyzed in this study came from two geographical subareas (GSAs) defined by the General Fisheries Commission for the Mediterranean (GFCM), Northern Spain (GSA06) and Northern Alboran Sea (GSA01) sampled in July during the MEDiterranean International Acoustic Survey (MEDIAS). Our results suggest that in summer, a higher concentration and aggregation of fish exists in GSA01, with a density ten times greater than in GSA06. Possible life history changes can be inferred through the analysis of the biological parameters of Trachurus trachurus in the NW Mediterranean Sea. In both GSAs, the annual decline of the size at first maturity (L-50) and condition factor (Kn) was prominent. Moreover, the population structure lacked adult modes that could guarantee a successful recuperation of future stocks. Nonetheless, fish inhabiting GSA01 seem to have a better adaptive response to the events responsible for these alterations. In comparison, GSA01 is under less fishing pressure and the upwelling occurring in this area contributes to a higher availability of food, in addition to reducing the increases in sea surface temperature due to climate change during the study period.
英文关键词	Abundance and biomass; Length frequency distribution; Length-weight relationship; Condition factor; Size at first maturity; Spatial distribution; Trachurus trachurus
语种	英语
WOS研究方向	Marine & Freshwater Biology
WOS类目	Marine & Freshwater Biology
WOS记录号	WOS:001125187600003
来源期刊	MARINE BIOLOGY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/303524
作者单位	Spanish Institute of Oceanography; Universitat de les Illes Balears
推荐引用方式 GB/T 7714	Rodriguez-Castaneda, Jose Carlos,Ventero, Ana,Iglesias, Magdalena. Analysis of the state of conservation of Trachurus trachurus in the Western Mediterranean Sea based on the interannual (2009-2020) changes in their life history traits[J],2024,171(1).
APA	Rodriguez-Castaneda, Jose Carlos,Ventero, Ana,&Iglesias, Magdalena.(2024).Analysis of the state of conservation of Trachurus trachurus in the Western Mediterranean Sea based on the interannual (2009-2020) changes in their life history traits.MARINE BIOLOGY,171(1).
MLA	Rodriguez-Castaneda, Jose Carlos,et al."Analysis of the state of conservation of Trachurus trachurus in the Western Mediterranean Sea based on the interannual (2009-2020) changes in their life history traits".MARINE BIOLOGY 171.1(2024).