用于增养殖的各种人工培育的贝类苗种对外界环境条件有一定的耐受性,了解这些环境条件对指导贝类的增养殖和放流工作有一定的作用.本文主要介绍1mm以上贝类苗种对环境变化的耐受性.各种贝类苗种对水温、盐度、干露及被敌害生物摄食情况见表1、表2、表3、表4.从表1,2,3,4中可以看出各种贝 The shellfish seedlings cultivated by artificial breeding have certain tolerance to the external environmental conditions and it is understandable that these environmental conditions play a certain role in guiding the cultivation and releasing of shellfish.In this paper, Seedlings of environmental changes tolerance.A variety of shellfish seedlings on water temperature, salinity, dry dew and feeding by enemy organisms in Table 1, Table 2, Table 3, Table 4. From Table 1, 2 , 3,4 can be seen in a variety of shellfish