Population Characteristics of Amur Ide Leuciscus Waleckii (Dybowski)in Dali lake

doi:10.7668/hbnxb.2007.S3.031

Abstract

Abstract: Through measure,analysis on the morphological characteristics and the part biological characteristics of Amur ide`eaptured during its reproductive&grow reason,this paper showed that Amur population age structure in Dali lake is unreasonal,there are some questions exist in Dali lake fishery;such as fisheries resource decline and over-capture,so the capture size of Amur ide should be decided that the body length is more than 17cm,the body weigh is more than 83g.Base on the results of these work,we draw up the regression equations between body length, body weigh and age.We found out that the Alkaline and PH is so high and the Cat is very scarce that the fishery is limited in Dali Iake.

Key words: Dali lake, Amur ide Leuciscus ivaleckii(Dybowski), Population, Morphology

CLC Number:

S965.117

MENG He-ping, ZHANG Li, WANG Bao-wen, ZHANG Jiang-hua, SONG Zhi-gang, PENG Ben-chu, DU Zhao-hong, HAN Guo-cang, GAO Yu-kui, LIU Yu-hai. Population Characteristics of Amur Ide Leuciscus Waleckii (Dybowski)in Dali lake[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(S3): 124-127. doi: 10.7668/hbnxb.2007.S3.031.

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