Temporal and spatial distributions of dominant shrimp stocks and their relationship with the hydrological environment in the East China Sea[J]. 海洋湖沼学报(英文), 2007,25(4):386-397.
Lü, H., Song, H. & Bayly, C. Temporal and spatial distributions of dominant shrimp stocks and their relationship with the hydrological environment in the East China Sea., Chin. J. Ocean. Limnol. 25, 386–397 (2007). https://doi.org/10.1007/s00343-007-0386-0
Temporal and spatial distributions of dominant shrimp stocks and their relationship with the hydrological environment in the East China Sea[J]. 海洋湖沼学报(英文), 2007,25(4):386-397. DOI: 10.1007/s00343-007-0386-0.
Lü, H., Song, H. & Bayly, C. Temporal and spatial distributions of dominant shrimp stocks and their relationship with the hydrological environment in the East China Sea., Chin. J. Ocean. Limnol. 25, 386–397 (2007). https://doi.org/10.1007/s00343-007-0386-0DOI:
Temporal and spatial distributions of dominant shrimp stocks and their relationship with the hydrological environment in the East China Sea
摘要
Abstract
To provide a scientific and technological base for fishery administration
holding a moratorium on fishing
and combating habitat degradation
a shrimp stock survey was carried out in May
August
and November 1998 and in February 1999. The study was conducted in the area between 26°00′ N and 33°00′ N and to the west of 127°00′ E in the East China Sea using a multi-sac trawl-net
with 115 stations being sampled. Up to 2001
we had found 121 species
which belong to 63 genera under 22 families
and 41 species are of high economic value and in great abundance. Nine shrimp species were of great economic importance
whose stock accounted for 76.8% of the demersal total. They were Parapenaeus fissuroides
Metapenaeopsis philippi
Palaemon gravieri
Metapenaeopsis barbata
Solenocera koelbeli
Solenocera crassicornis
Trachypenaeus curvirostris
Solenocera melantho and Parapenaeopsis hardwickii (listed in stock order). The nine species belong to the curythermal and eurysaline community and high thermal and high saline community
had different migration patterns and stocks
and their distribution patterns could be generally classified into three types: (1) dominating in the north or the south; (2) dominating to the north of and in the coast to the south of 30°00′ N; and (3) dominating to the east of 60 m isobath
which were related to six water masses in the ECS near two lines
i.e.
the 60 m isobath and 30°00′N latitudinal lines. Densely habited shrimps were found in all four seasons due to temperature and salinity frontiers and upwelling. The general stock density index was relatively higher in spring
summer
and autumn
when it surpassed 10 kg/h
while in winter
it was only 6.8 kg/h which might be caused by overfishing. According to the spawning areas of the nine species and their distribution patterns
to attain sustainable development of the shrimp fishery in the ECS
it is imperative to protect fishing areas and to hold a moratorium on catching to the west of 60 m isobath from April through October
and between 60 m and 100 m isobaths and to the south of 30°N from June through August and to limit fishing in winter.
关键词
Keywords
references
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相关作者
Yan LI
Quandong XIN
Tao JIANG
Wenjing LIU
Xinliang WANG
Changkao MU
Jufa CHEN
Ming YUE
相关机构
College of Life Sciences, Yantai University
School of Medicine, Yunnan University
School of Marine Sciences, Ningbo University
Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
College of Environmental Science and Engineering, Ocean University of China