白洋淀中华绒螯蟹种质资源形态判别与评价

The pattern differentiation and evaluation of the breed resouces of Eriocheir sinensis in Baiyangdian

对中华绒螯蟹外部形态32个测量点进行测量,利用形态判别法对白洋淀的中华绒螯蟹种质资源分析评价,建立了白洋淀中华绒鳌蟹形态判别式。结果表明,白洋淀河蟹种群属于北方蟹的辽河蟹,判别准确率达100%。结果有利于白洋淀中华绒螯蟹均质种群的维持,建议应加强白洋淀中华绒鳌蟹资源的管理。

In this paper, morphological data were collected by measuring 32 landmark points of the mitten crab Eriocheir sinensis from the Baiyang Lake. The germolasm characteristic of the mitten crab in the baiyang Lake was evaluated and morphology discrimination equation was estabilshed. Results showed the mitten crab in the baiyang Lake belonged to the northern crab, Liaohe population of the mitten crab, which the accuracy of discrimination was 100%. The results were beneficial to maitain even population of the Baiyang Lake. The suggestions about reinforcing management of the crab＇s gerplasm resource were put forword.