1·The seasonal fluctuations about infectation percentage and the harm on the Corbicula fluminea were compared.
比较了感染率的季节性波动和对 Corbicula fluminea 的危害。
2·Effects of Cristaria plicata, Hyriopsis cumingii and Corbicula fluminea on restoring aquatic environment were studied.
围隔实验研究了褶纹冠蚌、三角帆蚌与河蚬等三种淡水贝类对水环境的调控作用。
3·The seasonal fluctuations about infectation percentage and the harm on the Corbicula fluminea(Müller) by two species of frequent trematode were comparised.
比较了河蚬的两种常见吸虫种类感染率的季节动态以及它们对河蚬的危害。