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Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000
Wang, Yamin; Chang, Jianbo
2006-12-01
Source PublicationJOURNAL OF APPLIED ICHTHYOLOGY
ISSN0175-8659
Volume22Pages:44-52
AbstractHeilongjiang ( Amur) River Sturgeon ( Acipenser schrenckii) and Kaluga (Huso dauricus) are the only two species of Acipenseri-formes indigenous to the Heilongjiang ( Amur) River basin. As commercially important fishes for caviar production, these two species are confronted with over-fishing and population depletion. In 1987, the volume of exported caviar reached a peak of 26 metric tonnes (mt). Since 1992, the caviar production has declined gradually, fluctuating between 6.46 mt and 12.7 mt, with an annual average production of 9.16 mt. Thus, in China the export quota decreased to 5.94 mt after 2001. Only 6 companies were licensed by China to export caviar from these species. For the restocking of these two species, hatchery controlled reproduction ( including incubation of eggs and release of fry) continued from 1988 to 2005. During this period a total of 845 million fry have been released into the Heilongjiang River. The measures proposed to restore the natural resources include strict observation of local regulations on fishing and enforcement of fishing-prohibition periods. Capture quotas should be set for these two species and strictly enforced according to their existing resources. Sturgeon-breeding farms should be established to propagate and raise sturgeon fry to larger size, with the aim of releasing the fingerlings into the rivers and reservoirs so as to maintain and eventually enhance this natural resource.
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed ByISTP ; SCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000247966100008
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27222
Collection期刊论文
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Minist Water Resources & Chinese Acad Sci, Inst Hydroecol, Wuhan 430079, Peoples R China
3.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yamin,Chang, Jianbo. Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000[J]. JOURNAL OF APPLIED ICHTHYOLOGY,2006,22:44-52.
APA Wang, Yamin,&Chang, Jianbo.(2006).Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000.JOURNAL OF APPLIED ICHTHYOLOGY,22,44-52.
MLA Wang, Yamin,et al."Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000".JOURNAL OF APPLIED ICHTHYOLOGY 22(2006):44-52.
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