macrobenthos造句
例句與造句
- A preliminary study on the trophic structure of macrobenthos in the tanggu littoral zone
塘沽潮間帶大型底棲動物營養(yǎng)結(jié)構(gòu)的初步分析 - And the benthos ecosystem also shows a seasonal cycle . the biomass of macrobenthos is higher in autumn while that of meiobenthos tends to be higher in both spring and autumn
黃海冷水團(tuán)水域大型底棲動物生物量秋季比較大,而小型底棲動物生物量存在春、秋兩季的高值。 - The estimated total annual secondary production of macrobenthos was 28 , 000tc in jiaozhou bay . compared with the data published on macrobenthic ecology in this area , there was a significant increase in the present abundance and a remarkable decrease in the biomass
與渤海和南黃海大型底棲動物的豐度和生物量比較,灣內(nèi)的豐度和生物量均低于這兩個海域,但是膠州灣大型底棲動物的年均生產(chǎn)量水平高于渤海。 - A total of 543 species of macrobenthos were collected . the specie - number of polychaeta is 147 species , mollusca 182 species , crustacea 144 species , and echinodermata 70 species . the distribution of species of macrobenthos , their biomass and density , and biodiversity indices were described and discussed
除少數(shù)種類待鑒定外,兩次調(diào)查共發(fā)現(xiàn)四大類群底棲動物543種,其中多毛類39科147種,軟體動物56科182種,甲殼類41科144種,棘皮動物21科70種。 - Based upon the analysis of the data obtained during the survey , it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring , while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters , from the north to the south . 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years
通過以上幾方面的分析,結(jié)果表明: 1 )黃東海調(diào)查海域的秋季總生物量均高于春季,總棲息密度則低于早春季; 2 )黃東海春季生物多樣性指數(shù)高于秋季; 3 )南黃海、東海的水文特點顯著不同:東海底溫顯著高于南黃海底溫,東海底鹽亦高于南黃海底鹽; 4 )南黃海春秋季生物量分布無一致規(guī)律,東海春秋季生物量除長江口外基本上自近岸向外海逐步降低; 5 )東海大陸架大型底棲動物的種類組成較南黃海更豐富; 6 )東海大型底棲動物的分布特點之一為:種類數(shù)由北向南、由近岸(西部)向外海(東部)逐漸增多; 7 )在黃海冷水團(tuán)控制的海域,其底棲動物種類組成較近岸海域穩(wěn)定; 8 )幾個生物多樣性指數(shù)各有側(cè)重,都能較好地反映底棲動物的分布特點 - It's difficult to find macrobenthos in a sentence. 用macrobenthos造句挺難的