生態位寬度 的英文怎麼說

中文拼音 [shēngtàiwèikuāndù]
生態位寬度 英文
niche width
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  1. There are five natural sample zones of adiantum reniforme l. var. sinense y. x. lin investigated, and recorded 34 species. 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations

    調查了5個自然樣地，記錄了34個伴生種，取10個優勢種進行種群生態位寬度與生態位重疊的計算。
  2. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  3. Low niche breadth and similarity ratio, resulting from the conditions of the droughty desert habitats, are one of the major features of sparsely distributing plants in droughty desert ecological environments

    生態位寬度和生態位相似比例小是受制於乾旱荒漠生境條件的結果，是乾旱荒漠生態環境中稀疏荒漠植物的主要特徵之一。
  4. The trophic niche breadth of little egret and cattle egret was

    527 ，牛背鴛生態位寬度為0
  5. Based on the niche ecostate - ecorole theory proposed by chunquan zhu, we improved the model of regeneration niche, regarding the niche of the arbor tree and the sapling as the ecostate and the ecorole of the regeneration niche

    摘要根據朱春全提出的態勢理論對更新生態位寬度和更新生態位重疊公式進行改進，分別以林隙大喬木和小徑木的生態位作為更新生態位的態和勢來計算動態的森林更新生態位。
  6. Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession

    對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力
  7. 5 we analysis the feeding niche breadth of 7 species, the variables include feeding methods, height of feeding parts, level and vertical position of coronal layer, base matter that birds feed on, the species of trees that birds feed on

    對7種烏類取食生態位的寬度進行了統計計算，包括取食方式、取食高度、冠層水平位置、冠層垂直位置、取食基質和取食樹種。
  8. This paper selected the middle part of taihang mountain as study area. the species diversity, interspecific association and correlation, and niche breadth and niche overlap were studied. the community types, community structure, ecological relationships between species diversity and community types, environmental variables were analyzed in details

    本文以太行山中段植被為研究對象，從植物群落的物種多樣性、種間關系及群落優勢種的生態位寬度和生態位重疊三個方面深入探討和研究了該地區群落類型、結構、生態及分佈格局，群落多樣性與群落類型、生境、群落結構之間的關系，以及主要優勢種的種間關系。
  9. Reaumuria soongorica and haloxylon ammodendron were dominant species occupying big niche breadth, and other species are companion

    2769 ） 。生態位寬度較大的紅砂和梭梭為優勢種，其餘草本植物為伴生種。
  10. Niche and genetic differentiation of several desert plants were detected to analyze the relationship between niches and genetic diversity of desert plants, test niche breadth variation hypothesis, and probe the reasons for haloxylon ammodendron endangering. in this paper, the study on plant community species diversity and genetic diversity in the region will provide scientific theory basis for conquering desert

    從物種多樣性和遺傳多樣性兩個層次上，闡明了荒漠地區的生物多樣性特徵；在分析幾種荒漠植物（堿蓬、叉毛蓬和梭梭）遺傳變異和生態位的基礎上，探討荒漠植物種的生態位與遺傳多樣性的關系，驗證關于生態環境與遺傳變異的生態位寬度變異假說。
  11. In this paper, the niche characteristics of the dominant herb species in the subtropical ev - ergreen broad leaved woodland ( 53 species ) have been measured at the natural reserve of wanmu ling, including niche breadth, niche proportional similarity and niche overlap

    對萬木林自然保護區常綠闊葉林森林群落的53個主要種群進行生態位測定，包括生態位寬度、生態位相似比例、生態位重疊。
  12. Analysis on the niche breadth and resource competition of the four termite species

    4種白蟻生態位寬度與資源競爭分析
  13. The feeding niche breadth does not change significantly among 7 species ( p > 0. 01 )

    7種鳥類在取食生態位寬度上變化不顯著（ p 0刀1 ） 。
  14. Simpson shannon - wiener methods for measuring niche breadth and wang - gang niche overlap formula are more fitted to ecotone

    Simpson 、 shannon - wiener生態位寬度公式和王剛生態位重疊公式對該區更為適用。
  15. In the plant vegetations are mainly communities, the niche breadths vary greatly and the similarity ratios among different plants are very low

    植物群落內生態位寬度懸殊，植物種之間的生態位相似比例很小。
  16. The result shows that the vast majority of the main tree populations in the ? castanopsis carlessii ? forest are of broad niche ; that the relation among the species is very complex ; and that many species share the same resources

    採用定量分析方法，對武夷山米儲林群落12個主要種群生態位（包括生態位寬度、生態位相似性比例、生態位重疊）進行了測定。
  17. The niche breadths of the populations of s. tsinyunensis are greatest in the communities we studied, which indicates the ecological adaptation of s. tsinyunensis is relatively stronger and the abilities of utilizing resources are greater. with the help of pianka ' s niche overlap we further studied the niche overlap among different species in the sampled communities. the niche overlap among the species with the same or similar environment requirements are greater, especially nich overlap between s. tsinyunensis and those with broad niche breadths in the communities are much greater

    5 ）所調查的各群落中，縉雲黃芩的生態位寬度均較大，說明縉雲黃芩的生態適應幅度較大，對環境資源的利用能力較強；縉雲黃芩與群落中其主要伴生物種間的生態位重疊也較大，表明他們對資源利用的相似程度較高，導致縉雲黃芩與其它物種對某些資源的共同需求，在資源相對不足的情況下，生態位重疊較大的種間將會產生較為激烈的資源利用性競爭。
  18. The niche breadths of same plants vary greatly among different communities and the competitive relations of the plant species in different communities vary depending on the combined actions of the niches of the species, stable landforms and soil conditions, and annual rainfall fluctuations

    同一種植物在不同群落中的生態位寬度變幅較大，不同群落內部植物種競爭關系的差異是由物種的生態位和由相對穩定的地貌、土壤條件以及隨年際變動的降水條件共同作用的結果。
  19. The results indicated that the greater the niche breadth of a species was, the stronger the ability of adaptation to environment and using resources was. the greater the niche overlap value for some species - pairs, the more similar the environmental requirements and resource use. the species with wide niche breadth may have high overlap value with species with narrow niche breadth, and low on the contrary

    結果表明，種群生態位寬度越大，對環境的適應能力越強，對資源的利用能力也越強；生態位重疊越大，種群間的生態相似性越大，利用資源的相似性程度越高；生態位寬的種群對生態位窄的種群可能有較高的重疊值，反之則較低；生態位寬度最大的種群不一定為群落的建群種。
  20. 68 quadrats were divided into 8 types of communities by twinspan, which can be treated as one - dimension resource states. the niche breadths and overlaps of main dominant species were measured using a series of indices proposed by levins, shannon - wiener and petraitis

    在該地區植被的優勢種生態位的研究方面，仍然運用twinspan把樣方分為8個群落類型，用levins 、 shannon - wiener生態位寬度公式和petraitis生態位特定重疊指數公式測定群落中主要種群生態位寬度和生態位重疊，並分析各種群生態位的生態學意義。
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