APPLICATIONS OF FACTOR-CRITERIA SYSTEM RECONSTRUCTION ANALYSIS IN THE REPRODUCTION RESEARCH ON GRASS CARP, BLACK CARP, SILVER CARP AND BIGHEAD IN THE YANGTZE RIVER
APPLICATIONS OF FACTOR-CRITERIA SYSTEM RECONSTRUCTION ANALYSIS IN THE REPRODUCTION RESEARCH ON GRASS CARP, BLACK CARP, SILVER CARP AND BIGHEAD IN THE YANGTZE RIVER
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DOI:
10.1080/03081070008960949
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发表时间:
2000-01
影响因子:
2
通讯作者:
Guohua Zhang;J. Chang;Guangfu Shu
中科院分区:
文献类型:
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作者:
Guohua Zhang;J. Chang;Guangfu Shu
The natural reproduction of grass carp, black carp, silver carp, and bighead will be affected adversely by the Three Gorges Project in the Yangtze River. One of the methods to save the fish is to regulate the water levels, keeping them suited for the species to spawn. Nine factors associated with the scale of larvae-flood of the four species are classified into five levels, and the ranges of these factors producing larvae-floods are given by using the “factor-criteria system reconstruction analysis” method. Moderate beginning water levels and flow, with high daily increases in the rate of water level and flow, and a long duration of water level rising are important for the production of a large larvae-flood.