species composition 中文意思是什麼

species composition 解釋
物種組成
  • species : n. 〈sing. , pl. 〉1. 種類；【生物學】（物）種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  • 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. The species composition and faunal analysis of terrestrial mollusk in wanfenglin, guizhou

    貴州萬峰林陸生貝類物種組成及區系分析
  3. 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。
  4. 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。
  5. The number of fishing boat from 1999 to 2002 is 159, 100, 107 and 116, respectively. the number of different fishing boat and the species composition of different fishing gears were calculated also. furthermore, the structure of drift trammel net, set longline of baited hooks and jig and their fishing methods were described

    1999 - 2002年各年的作業漁船數分別為159隻， 100隻， 107隻和116隻，並統計了各年使用不同漁具的漁船數目以及不同漁具的漁獲物種類，另外還對三層流刺網、餌釣和滾鉤等主要漁具的結構和漁法進行了描述。
  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. More than 80 species have been collected and 18 of them including six new species and 12 new geographical records have been worked out in china. they are : comesoma, comesomatidae ; pomponema, cyatholaimidae ; marylynnia, cyatholaimidae ; pterygonema, ceramoneniatidae ; metachromadora, desmodoridae ; desmoscolex, desmoscolecidae aponema, microlaimidae ; gammarinema, monhysteridae ; metadesmolaimus, xyalidae ; rhynchonema, xyalidae ; xyala, xyalidae ; viscosia, oncholaimidae we found divergence in the species composition in different habiting area ( mud flat and sand flat ). the investigation put emphasis on some area, try to know the distribution of marine nematodes for the later research of the position of marine nematodes in the benthic eecological system

    這十一個屬包括：聯體線蟲科（ comesomatidae ）的聯體線蟲屬（ comesoma ） ；杯咽線蟲科（ cyatholaimidae ）的華麗線蟲屬（ pomponema ） ；杯咽線蟲科（ cyatholaimidae ）的瑪里林恩線蟲屬（ marylynnia ） ；覆瓦線蟲科（ ceramonematidae ）的翼紋體線蟲屬（ pterygonema ） ；鏈環線蟲科（ desmodoridae ）的后菱光線蟲屬（ metachromadora ） ；微咽線蟲科（ microlaimidae ）的厚甲線蟲（ aponema ） ；單宮線蟲科（ monhysteridae ）的嗜鯨線蟲屬（ gammarinema ） ；希阿利線蟲科（ xyalidae ）的后棘線蟲屬（ metadesmolaimus ） ；希阿利線蟲科（ xyalidae ）的吻腔線蟲屬（ rhynchonema ） ；希阿利線蟲科（ xyalidae ）的雙翼線蟲屬（ xyala ） ；瘤線蟲科（ oncholaimidae ）的顯齒線蟲屬（ viscosia ）此外我們報道了六個新種，並對一些已經報道過的蟲種進行重新的描述和討論。
  8. 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。
  9. There exist little change both between species composition and quantity for 12 years fore - and aft

    無論從種類組成，還是數量上看， 12年前後變化不大。
  10. The free living and particle - attached bacteria groups are significantly different in term of species composition. plate culture strains are different from dominant field groups. this result proved the insufficiency of traditional cultural methodology

    適合於在平板培養條件下生長的類群並非湖水中的優勢類群，這一結果進一步證實了傳統的培養方法在分析水體細菌群落生物多樣性方面的不足。
  11. The difference in bird species composition might be caused by the height of mangroves, distribution of vegetation and differece of habitat types

    種類組成上的差異與各紅樹林區的植株高度、植被分佈狀況、生境類型差異有關。
  12. Through investigating their index of growth and soil water content from april to october, observing their species composition in july and above - ground biomass in september, measuring seasonal changes of plant moisture stress, net photosynthesis rate, transpiration rate of s. viciifolia and hance, after analyzing all kind of data, the following conclusions can be drawn : 1

    主要結論如下： 1 、狼牙刺的株高在1 . 50m左右、冠幅約2 . 0 2 . 0m 、平均分枝數約為4 . 45 。不同立地條件下，狼牙刺覆蓋度均在50以上，加上林下草灌層在生長旺期總蓋度均能達到70以上。
  13. After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone

    藥物噴灑后不同時段調查結果表明：試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯，其隨時間變化的趨勢亦呈現總體一致。
  14. 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，結果表明： 1 ）黃東海調查海域的秋季總生物量均高於春季，總棲息密度則低於早春季； 2 ）黃東海春季生物多樣性指數高於秋季； 3 ）南黃海、東海的水文特點顯著不同：東海底溫顯著高於南黃海底溫，東海底鹽亦高於南黃海底鹽； 4 ）南黃海春秋季生物量分佈無一致規律，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佈特點之一為：種類數由北向南、由近岸（西部）向外海（東部）逐漸增多； 7 ）在黃海冷水團控制的海域，其底棲動物種類組成較近岸海域穩定； 8 ）幾個生物多樣性指數各有側重，都能較好地反映底棲動物的分佈特點
  15. A preliminary study on the species composition, ecological characteristics and present distribution of vegetations in mengyang area, the largest part of xishuangbanna nature reserve, shows that there are 7 vegetation types, 15 formations, 24 community types in this area. the vegetation map was made by using gis software ( arc / info ), and the area and distribution pattern of each community was obtained. the subtropical monsoon evergreen broad leaved forest occupies the largest part, with an area of 41. 26 % of the whole, and the tropical rain forest occupies less than 10 % of the whole area. according to the topography, altitude, climate characters and present distribution of the vegetation, and based on the landscape type map, an original vegetation map under natural conditions was obtained, which could provid a theory for the vegetation restoration, especially for the tropical rain forest and its habitat, and for the development of the nature reserve

    對西雙版納勐養自然保護區植被的類型進行了劃分，包括人工和自然群落，共有7個大類、 15個群系、 24個群落類型分佈.對每個類型的主要組成種類、生態特徵和分佈現狀進行了初步研究.利用地理信息系統軟體制取植被圖並獲得了各種植被類型的分佈面積和分佈格局特徵，這一地區亞熱帶季風常綠闊葉林的分佈面積和所佔比例最大，達總面積的41 . 26 % ;而熱帶雨林面積不超過總面積的10 % .依據地形、海拔、氣候和現狀植被分佈的規律，在獲得景觀類型圖的基礎上，得到了可以反映這一地區在完全自然條件下植被可能分佈的狀況的還原植被圖，為保護區的發展和植被的恢復提供了理論依據。
  16. Therefore, it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species

    因此，應重視通過調整物種組成，增加闊葉樹種比例以增強森林的自肥能力。
  17. The species composition of fish varied significantly with seasons, particularly high with monthly alternatives, and associated with changes of water temperature

    漁獲種類的季節變化比較明顯，種類的月更替率比較高，與海洋表層水溫變化有關。
  18. In summary, the exotic species can affect native bird species in four main ways, 1 ) predation of birds or eggs by the exotic mammals ; 2 ) competition for habitats and foods with exotic birds, and loss of genetic diversity by hybridization with the closely - related exotic species ; 3 ) direct and indirect alterations of native habitats and food resources, and predation by the exotic invertebrates ; and 4 ) loss and fragmentation of habitats for native birds through altering species composition and structure of native plant communities by exotic plants

    外來生物對鳥類的影響主要表現在以下幾方面： （ 1 ）外來哺乳動物對成鳥、幼鳥或鳥卵的捕食作用； （ 2 ）外來鳥類與本地鳥類競爭棲息地和食物資源，與當地的近緣種雜交而造成基因流失； （ 3 ）外來無脊椎動物改變本地鳥類的棲息環境和食物狀況，甚至直接捕食本地鳥類； （ 4 ）外來植物入侵改變入侵地的植物群落組成和結構，造成本地鳥類的棲息地喪失或破碎化，並通過改變入侵地生態系統的食物鏈結構而對高營養級的鳥類產生影響。
  19. Root distribution and canopy structure parameters of s. godejevii in different sandy land habitats ( semi - fixed sand dunes, fixed sand dunes and inter - dunes low land ), as well as species composition and their frequency in the herb layer of the scrubs, were compared the results were as follows : the population hi the semi - fixed sand dunes had the most developed root systems, followed by he population in the fixed sand dunes, and that hi the inter - dunes low land was the last

    為了更有效地利用這一重要植物資源，本文對分佈於渾善達克沙地三種不同沙地生境（半固定沙丘、固定沙丘、丘間低地）黃柳灌叢的根系分佈，冠層特徵進行了研究，同時測定了灌叢下草本層植物種類組成及頻度，結果表明：半固定沙丘上的黃柳根系最發達（根系分佈深，數量大） ，固定沙丘的黃柳明顯不及前者，而丘間低地的黃柳根系最不發達。
  20. Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch - spruce - fir stands which originated from planted larch pure forest by observations for 12 years after thinning

    摘要以15塊人工落葉松純林演化后形成的落葉松雲冷杉混交林為對象，間伐后12年觀測結果，研究間伐對林分和樹木生長、樹種組成、物種多樣性及土壤等因子的影響。
分享友人
分享到 Line

分享到臉書