community composition 中文意思是什麼

community composition 解釋
群集組成
  • community : n. 1. 村社；社會，集體；鄉鎮，村落；【生物學】群落，群社。2. 共有，共用；共同體，共同組織；聯營（機構）。3. 共（通）性；一致（性）；類似性。
  • composition : n 1 作文（法），作詩（法），作曲（法）；作品，文章；樂曲；文體，措辭。2 編制；結構，構造，組成，...
  1. Three methods, namely, community species composition similarity analysis, community composition similarity analysis, and community characteristic similarity analysis, were employed to study the similarity of insect pest - natural enemy communities of three rice types ( early rice, middle - season rice and late rice ) and their three development stages ( tilling stage, boot stage and milk stage ) in the yangtze - huaihe region of anhui province

    摘要採用群落種組成相似性分析、群落組成相似性分析和群落特徵相似性分析3種方法，研究了安徽江淮地區早稻、中稻、晚稻3種稻型及分蘗、孕穗、乳熟3個生育期害蟲天敵群落的相似性。
  2. Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

    至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。
  3. These variations in the composition of population are indicative of all the changes going on in the social organization of the community.

    人口構成上的這些變化反映著城市社區在社會組織方面發生的種種變化。
  4. 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twinspan等多元分析結果，比較各組群的浮遊動物種類組成和環境特徵，可將東、黃海浮遊動物群落分為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；黃東海交匯區群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態類型種類，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。
  5. The diversity, community structure, and species composition of springtails in the soil reflect the status of soil quality and contamination

    土壤中跳蟲的多樣性以及群落結構、物種組成都反映了土壤的質量和污染狀況。
  6. To examine the effects of different lake uses on lacustrine zoobenthic community, zoobenthos were sampled in 1998 - 1999 from four shallow lakes of middle and lower basins of changjiang river, viz. fish stocking and touring lake, east tangsun lake ; fish - stocking - lake, niushan lake ; natural - fishing - lake, longgan lake and crab - overstocking - lake, huang lake. species composition, standing crops, functional feeding groups of benthic animals in every lake were studied

    1998年4月1999年7月對長江中下游四個淺水湖泊即東湯孫湖、牛山湖、龍感湖和黃湖的底棲動物分別進行了四次採集，研究各個湖泊底棲動物在種類組成、現存量、功能攝食類群、生產顯和漁產潛力上的差異；結合各個湖泊理化生物因子綜合分析了湖泊不同利用方式對底棲動物群落的影響。
  7. The research object of this paper is the broad - leaved wood of red pine in north slope of changbai mountain. by analyzing the composition, construction, biodiversity and season diversity of forest community, we probed the rule of the forest community changing with the season and the ecological effect of forest insect community affected by forest plant community, appraised firstly regulating ability of forest ecosystem on forest pest and estimated finally effect of forest insect on ecosystem health

    本文研究對象為長白山北坡紅松闊葉林帶，通過對森林群落的組成、結構、生物多樣性及其季節變化，探索了森林群落生物多樣性隨季節變化規律，森林昆蟲群落在森林植物群落的影響下的生態效應，對森林生態系統對森林害蟲控制力作初步評價，最後對森林昆蟲對生態系統健康影響作出評價。
  8. We concludes that the selected herbicide for smooth cordgrass does not obviously affect community composition and the habitats of benthic species, the coherent variation trend of benthic community composition correlates with time between experimental zone and controlled zone

    這表明互花米草防除藥物對底棲生物群落組成結構及其生境的干擾不大，試驗區與對照區底棲生物群落組成結構總體一致的變化趨勢與時序有關。
  9. In the meanwhile, the best community that was picked out from natural deciduous broad - leaved forest was taken as contrast. and the hight, dominance, soil fertility, coverage, composition and biomass of the community were used as community characteristics parameters to comprehensively evaluate the restored degree of communities at different restoration stages

    同時，在天然闊葉落葉林中選取一個最佳群落作為參照，運用群落高度、顯著度、土壤肥力、蓋度、組成結構和生物量6個指標為群落特徵參數，對各個階段群落恢復的程度進行了綜合的評價。
  10. Age of the trees have influence on the composition, the number of dominant species and damage degree of insect pest community

    樹木年齡可影響害蟲群落的組成、優勢種數量及危害程度。
  11. Based on detailed community study on the natural vegetation of jiangwan airport abandoned 17 years ago, floristic composition and structure character of the communities have been analyzed, in addition, the restoration process and potential of the communities were also illuminated

    以市區內江灣機場失去管理后出現的自然植被為研究對象，通過群落學調查研究，分析了群落的種類組成以及結構特徵，闡明了群落的恢復過程和潛力。
  12. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容： （ 1 ）片斷和連續常綠闊葉林的外貌、結構和物種組成特徵； （ 2 ）片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性； （ 3 ）片斷和連續常綠闊葉林的科（ ? ）屬水平的植物區系成分； （ 4 ）片斷和連續常綠闊葉林生活型組成； （ 5 ）在不同的水平梯度格局上（林外、林緣和林內） ，片斷和連續常綠闊葉林的小氣候要素（光照、溫度、風速、濕度等） ； （ 6 ）片斷和連續常綠闊葉林的環境和土壤因子，與群落的物種多樣性之間的關系。實驗結果表明： （ 1 ）各片斷森林的外貌特點基本上和連續森林一致。
  13. The vegetation types are described of baishanzu national nature reserve in qingyuan county, zhejiang province. the surveyed area covered25thousand hm 2 in which27sample plots with20m 20m each were selected. based on the importance value of plant species, six vegetation types were devided, viz. evergreen broadleaved forest, evergreen and deciduous broadleaved mixed forest, coniferous and broadleaved mixed forest, coniferous forest, mountain dwarf forest, and mountain shrub and herbosa. floristic composition, community structure, and trend of community succession of each vegetation type are described

    對近20年來多次調查的資料進行系統整理，將百山祖植被主要劃分成6個植被類型:常綠闊葉林、常綠落葉闊葉混交林、針闊葉混交林、針葉林、山地矮林和山地灌草叢，其下可分為22個群系;同時對群落的種類組成、結構和演替趨勢作了概述。
  14. Community composition and feature of arthropods in the wetland areas of dongting lake

    洞庭湖濕地小型節肢土壤動物群落組成及其特徵
  15. Community composition and structure of giant panda habitat were studied by systematic survey along altitudinal gradients in xizozhaizigou nature reserve

    摘要通過沿海拔梯度的系統調查，對小寨子溝自然保護區大熊貓生境的植物群落種類組成和結構進行了初步研究。
  16. Effect of applying phosphorus diamine fertilizer on plant community composition and grassland quality in mowing grassland of typical steppe

    施用磷酸二胺對典型草原區割草地植物群落組成及草場質量的影響
  17. Abstract : change in soil temperature induces the changes in the microbial community composition and their activity ; some communities at higher temperatures have the ability to access to or metabolize substrates that are not used by members of the microbial community at lower temperatures ; therefore, increases in soil temperature will influence the c, n and s cycling in soil eco systems

    文摘:土壤溫度變化導致微生物群落組成及其活性產生變化；某些微生物群落成員在較高溫度時有能力代謝那些在較低溫度時不能被利用的基質；因此，土壤溫度上升將影響土壤生態系統中的c 、 n 、 s循環。
  18. Fish community composition was different among the sampling areas of niushan lake. small fishes, mainly acheilognathinae, were the most abundant in the centre area. the other areas were mainly c. erythropterus and t. swinhonis

    中片的小型魚類以（魚旁） （魚皮）為主，而西片和東片則以紅鰭原?和似（魚喬）為主，這與不同湖區的兇猛性魚類數量有關。
  19. The conclusion as follows : 1. habitat heterogeneity influence avian community composition the higher habitat heterogeneity is with the more complex community

    結論如下： 1 、生境異質性影響鳥類群落組成生境異質性越高，鳥類群落結構越復雜。
  20. The nation organized and managed the members in the community by way of controlling the social resources directly, and build up the community composition pattern authoritatively

    在計劃經濟體制下，國家通過直接控制社會資源來達到對社會成員組織和管理的目的。並由此建立起政府處于絕對權威地位的社會結構模式。
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