例句與用法

1. Phytoplankton was dominated by diatom and blue - green algae according to density and by diatom in light of biomass
   利用pfu采集周叢原生動物60種，一半以上是耐有機污染的指示種。
2. Results as following : in the east china sea and the yellow sea , zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n , five communities were distinguished by twinspan method , based on data of species composition and environmental factors . they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes , calanus sinicus and euphausia pacifica , the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity , iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )
   根據(jù)twinspan等多元分析結果，比較各組群的浮游動物種類組成和環(huán)境特征，可將東、黃海浮游動物群落分為5個，黃海沿岸群落（ f ） ，指示種秋季為真刺唇角水蚤，春季為墨氏胸刺水蚤；黃海中部群落（ hc ） ，指示種以細長腳蟲戎為主，秋季還有中華哲水蚤和太平洋磷蝦；東海外陸架高溫高鹽群落（ k ） ，指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類；黃東海交匯區(qū)群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態(tài)類型種類，其中溫帶近岸低鹽種在he中較多，廣布性暖水種在m群落中較多。
3. In this paper , zooplankton communities , their species composition and indicator species in the east china sea and the yellow sea were examined with multivariate methods . in the southern part of the yellow sea , where was known as an important spawning ground of anchovy , the seasonal variations of zooplankton were studied in details with respect to species composition , abundance , biomass and vertical distribution . furthermore zooplankton indication of the yellow sea warm current ( yswc ) in winter was discussed
   本論文用數(shù)理統(tǒng)計方法（包括：雙向指示種分析、多維定標序列分析、判別分析和多元回歸分析）對春、秋兩季東、黃海浮游動物群落進行了劃分、確定各群落的指示種；對南黃海浮游動物的種類組成、分布及其時空變化進行了研究，并與歷史資料進行了比較；并探討了黃海冷水團對某些浮游動物的意義，以及浮游動物對黃海暖流指示。