生態位重疊 的英文怎麼說
中文拼音 [shēngtàiwèizhòngdiě]
生態位重疊
英文
niche overlapping- 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...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
- 重疊 : 1 (一層層堆積) one on top of another; overlapping 2 [電學] [計算機] overlap; overlay; superimpo...
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5 ) the allzyome variety of adiantum reniforme l. var
其次是與貫眾,生態位重疊值為0 . 3389 。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。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。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。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。It demonstrated that there is strong competition between two for nature resource. the value of the niche overlap with cyrtomiian fortunei is secondly bigger, it is 0. 3389
4 )荷葉鐵線蕨與鳶尾的生態位重疊最大,為0 . 3515 ,表明兩者間存在強烈的對自然資源的競爭。Whereas, for the natural forest consisted of native species, the niche overlap was low and the interspecies relationship was harmonious. the composition structure of community thereby was more stable
而由本地樹種組成的天然林,生態位重疊小,種間關系協調,群落組成結構的穩定性更高。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。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。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。The search space is divided into many small areas, and each area is given a certain pheromone value. according to the state transition rules, the artificial ants move to the next solution which is generated randomly or calculated by particle swarm optimization. local search strategy is also added into psaco so that the search speed and precision is enhanced
該演算法首先將連續對象定義域平均分成許多邊緣相互重疊的小區域,區域的稠密程度決定了演算法解的精度,每個區域賦予一定的信息素值;螞蟻根據狀態轉移規則在隨機生成的可行解與利用微粒群演算法得出的可行解之間選擇下一步要去的位置;引入局部尋優策略,加強近似最優解鄰域內的局部搜索,提高搜索速度和精度。The paper holds that the degree of competition between enterprises is proportional to their niche overlap in an enterprise ecosystem where the environmental resources are limited
在一個環境資源有限的企業生態系統中,企業之間的競爭程度與其生態位重疊的程度成比例關系。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。The two species with big niche in soil moisture, soil salt and organic matter overlapped greatly ( 0. 4203 ) each other, indicating similarity of adaptation to soil salt
二者在土壤鹽分維上的生態位重疊最大( 0 4203 ) ,表明了這兩個優勢種在適應土壤鹽分方面有相以的特性。In this study, the niche characteristics of 12 main tree populations in ? castanopsis carlessii ? forest have been analyzed by quantitative method at the nature reserve of wuyi mountains, including niche breadth, niche proportional similarity and niche overlap
植物種群之間的生態位相似性比例和生態位重疊指數指標值反映了亞熱帶常綠闊葉林的生態特徵。Iii ) for artificial communities including herbaceous community, pure conifer and needle broad - leaved mixed forest, the poor niche configuration and serious niche overlap of component species made the composition structure of community be in an unstable state
3 )人工構建的群落(包括草本群落、針葉純林和針闊混交林)其組成物種生態位配置差,生態位重疊大,造成群落組成結構不穩定。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。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。Why those species - pairs shown positive association or correlation was that they had the similar biological characters and the similar eco - adaptive and segeration niche. why the species pairs shown negative association or correlation was that they had different ecological characters, different adaption and overlapping niche
種對間負關聯或負相關,則是由於它們具有不同的生物學特性、對生境具有不同的生態適應性和相互重疊的生態位所致。The resultshowed that the majority of the species in the wan mu ling are of narrow niche, the relationamong the species is very complex and many species share in the resource ; the niche proporrion - al similarity and the niche overlap index reflect the niche characteristics of the evergreen broadleaved woodland in subtropical forest
結果表明:組成萬木林森林群落的種群絕大多數為狹生態位、種群之間關系復雜,對資源具有一定的共享性;種群之間的生態位相似性比例和生態位重疊指數指標值反映了亞熱帶常綠闊葉林的生態特徵。分享友人