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Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000

Status and conservation of sturgeons in Amur River, China: A review based on surveys since the... By Yamin Wang1,3 and Jianbo Chang1,2 of Hydrobiology, Chinese Academy of Science, No 7 Southern Road of East Lake, Wuhan, Hubei Province, China 430072; 2Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences, 578th Xiongchu Avenue, Wuhan, China 430079; 3Graduate University of Chinese Academy of Sciences, 19th of Yuquan Road, Beijing 100049, China 1Institute Summary Heilongjiang (Amur) River Sturgeon (Acipenser schrenckii) and Kaluga (Huso dauricus) are the only two species of Acipenseriformes 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 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Status and conservation of sturgeons in Amur River, China: A review based on surveys since the year 2000

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Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.2007.00928.x
Publisher site
See Article on Publisher Site

Abstract

By Yamin Wang1,3 and Jianbo Chang1,2 of Hydrobiology, Chinese Academy of Science, No 7 Southern Road of East Lake, Wuhan, Hubei Province, China 430072; 2Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences, 578th Xiongchu Avenue, Wuhan, China 430079; 3Graduate University of Chinese Academy of Sciences, 19th of Yuquan Road, Beijing 100049, China 1Institute Summary Heilongjiang (Amur) River Sturgeon (Acipenser schrenckii) and Kaluga (Huso dauricus) are the only two species of Acipenseriformes 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

Journal

Journal of Applied Ichthyology – Wiley

Published: Dec 1, 2006

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