planktonic species

基本解釋

Community structure of planktonic crustacean in the Xiqi river, Hangzhou including species composition, population dynamics and biomass, was studied .
本文研究了杭州西溪河浮游甲殼動物的種類組成、種群動態(tài)、生物量及其與環(huán)境因子的關(guān)系。
The other source is the native lagoon species, such as periodical outbreak zooplankton (e. g. larvae of macrura, brachyura and anomura) and some endemic planktonic species;
另一部分是周期性爆發(fā)的浮游動物（如長尾類、歪尾類的幼體）和一些潟湖本地種類。
The samples, which were collected in Nanri Islands sea area from spring, 1990 to winter, 1991, were studied. 98 species of zooplankton and 12 groups of planktonic larvae were identified.
根據(jù)1990年春季至1991年冬季采自南日島海域浮游動物樣本，初步鑒定出98種浮游動物和12類浮游幼蟲。