两种体色三疣梭子蟹种质资源调查与形态学分析  

Survey and Morphological Comparison of 2-body-color Swimming Crab Portunus trituberculatus

作　　者：高焕[1] 阎斌伦[1] 陈百尧[2] 迟大利[1] 李晓英[1] 于飞[2] 

机构地区：[1]淮海工学院江苏省海洋生物技术重点建设实验室,江苏连云港222005 [2]连云港市海洋与水产科学研究所,江苏连云港222042

出　　处：《淮海工学院学报（自然科学版）》2009年第3期82-85,共4页Journal of Huaihai Institute of Technology:Natural Sciences Edition

基　　金：江苏省水产三项工程计划资助项目(k2008-6);淮海工学院引进人才科研启动基金资助项目(KQ07048);江苏省海洋生物技术重点建设实验室开放课题(2008HS003)

摘　　要：对渤海莱州湾、黄海海州湾和东海舟山海区3个三疣梭子蟹地理群体不同体色梭子蟹数量的分布情况进行了调查,结果表明,3个海区不同体色梭子蟹间的分布比例相似,紫色个体随着体质量(年龄)的增大,其在相应体质量大小个体中所占的比重逐渐下降(从30%到1%)。进一步对莱州湾和海州湾两个地理群体不同体色个体间生物性状比较研究的结果表明,12项形态学指标在各个群体内部不同体色个体间不存在明显差异,但在群体间存在显著差异。这些结果显示茶绿色和紫色三疣梭子蟹属同一物种,体色差异虽受环境等因素影响,但明显是由一定的内在遗传机制决定的。In order to identify the relationships between purple and tea-green crabs, a survey was made in three geographical populations, i.e. Laizhou Bay, Haizhou Bay and Zhoushan islands. The results of investigation showed that the percentage of purple individuals in each geographical population is similar, and they decrease with the increase of weights （ages）, changing from 30% to less than 1%. Additionally, morphological comparison of purple and tea-green individuals in inter and intro-populations of Laizhou Bay and Haizhou Bay were made in terrns of twelve morphological characteristics. The results showed that there were no differences between purple and tea-green individuals in each intro-population, but there were significant differences in inter-populations. We concluded that the purple and tea-green body color in P. trituberculatus was affected by environmental factors, but apparently they belonged to the same species and were determined by inheritance.

关 键 词：三疣梭子蟹 体色 生物学性状 种质资源 

分 类 号：Q959.481[生物学—动物学]