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   生态位宽度 的翻译结果: 查询用时:0.848秒
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生态位宽度     
相关语句
  niche breadth
     The result showed that the niche breadth of various tree species range from 0.35 to 1.67 along five resource gradients (N,P,K,OM and pH),and they have high frequency value when N,P,K,OM and pH is 0.5~1.0 ,0.2~0.5,8.0~32.0,4~16 mg·g~\{-1\} and 5~6.5 respectively.
     结果显示,各树种在N、P、K、OM和pH各资源轴的生态位宽度在0.35~1.67,特别是N、P、K、OM和pH在0.5~1.0、0.2~0.5、8.0~32.0、4~16mg.
短句来源
     The results showed that the average niche breadth of dominate populations was 0.22~2.13 and 0.22~2.00 along the aspect and altitude gradients respectively.
     结果显示,各优势种群在坡向和海拔梯度上的平均生态位宽度为0.22~2.13和0.22~2.00。
短句来源
     The results show that the temporal niche breadth value of Pardosa astrigera(0.9218) is maximum, that of Dictyna arundinacea (0. 9176) is the second, and the temporal niche overlap values of Misumenops tri-cuspidatus and Chiracanthium japonicum (0. 8083) are maximum.
     研究结果表明时间生态位宽度值为星豹蛛(Pardosa astrigera,PAR)最大(0.9218),其次为芦苇卷叶蛛(Dictyna arundinacea,DIC)(0.9176),重叠值为三突花蛛(Misumenops tri-cuspidatus,MIS)和彭妮红螯蛛(Chiracanthium japonicum,CHI)最大(0.8083)。
短句来源
     The niche breadth and niche overlap of main populations on the gradients of soil water, soil pH value, and soil total nitrogen content were measured with the formulas described by Shannon-Wiener and Pianka.
     运用以Shannon-Wieren指数为基础的生态位宽度计测公式和Pianka的生态位重叠计测公式,在土壤水分、土壤pH值、土壤全氮含量3个资源维上研究白羊草灌丛草地主要植物种群生态位宽度和生态位重叠关系。
短句来源
     The results indicated that the Shannon-Wiener’s niche breadth and Levins’s niche breadth of 23 dominant species in the communities were 0.4049—0.7736 and 0.0551—0.3086, respectively. The species with larger niche breadth were Acronychia pedunculata, Gordonia axillaris, Aporosa dioica, Microdesmis casearifolia, Gironniera subaequalis, and Sterculia lanceolata, which were the widespread species in natural forests.
     结果表明:珠海次生林群落23个优势种的Shannon-Wiener生态位宽度和Levins生态位变度值范围为0.4049~0.7736和0.0551~0.3086,生态位宽度较大的种类分别是山油柑(Acronychia pedunculata)、大头茶(Gordonia axillaris)、银柴(Aporosa dioica)、小盘木(Microdesmis casearifolia)、白颜树(Giron-niera subaequalis)和假苹婆(Sterculia lanceolata);
短句来源
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  niche width
     The relationship between niche width (B) with the number of the woody species (N) could be described by N=18.333 e-4.4109 B, R2=0.9467,α<001), indicating that the number of woody species decline exponentially with the breadth of the niche in Baiyun Mountains.
     统计表明,白云山地区木本植物生态位宽度(B)与种数(N)符合公式:N=18.333e-4.4109B,R2=0.9467,α<0.01,随着生态位宽度的增加,植物种数呈指数下降。
短句来源
     The food niche width of Mongolian cattle and sheep was 0.64 and 0.67 respectively,and there was no significant difference between them(P>0.05).
     蒙古牛和蒙古羊的食物生态位宽度分别为0.64和0.67,二者无明显差异(P>0.05).
短句来源
     The results indicate as following: niche width of these seedlings can be ordered as Pinus massoniana(0.405 6),Schima super ba(0.361 4),Castanopsis fissa(0.310 8) and Cryptocarya concinna(0.306 8),which corresponds to the dominant(tree) species' order at different successional stages.
     结果表明:生态位宽度的大小次序为马尾松(0.405 6),荷木(0.361 4),藜蒴(0.310 8)和黄果厚壳桂(0.306 8),正好对应演替不同阶段的优势种;
短句来源
     Through the study of species quantity charocters (important value,overlapped value,niche width) and analysis of the habitat factors,the results showed that the karst population and its habitat analysis was feasible for measuring and analysing the niche features of karst vegetation,and the result corresponded for the succisseon rules
     通过对 Karst峰丛洼地植被种的数量特征 (重要值、重迭值、生态位宽度、生物量 )的研究和对其相应的小生境因子野外实测数据进行分析 ,结果表明 :类似于极点的 Karst种群分析与相应群落小生境现状调查分析 ,对于计测、分析 Karst植被生态位特征是可行的 ,并且两者得出的结论是一致的 ,与演替原理相符。
短句来源
     (3)The feed niche width of cattle and sheep were 64% and 68% ,respectively . It means that about 1/3 of the plant resources of the sandy pasture were not utilized by the native animal as food plant.
     (3)蒙古牛和蒙古羊的食物生态位宽度平均为64%和68%,即当地草地植物资源中,约1/3的部分未被利用.
更多       
  ecological niche breadth
     Studying on the population niche of 11 species principal rodents in the Alashan desert region of Inner Mongolia showed that the ecological niche breadth index of Meriones meridianus is the highest, equal to 0.786, and it distributes into 7 kinds of habitats to utilize the resources.
     对内蒙古阿拉善荒漠11种主要啮齿动物的种群生态位研究表明,子午沙鼠的生态位宽度指数最高,为0.786,该种对7种资源等级的利用具有一定的普遍性。 在7种生境中均有分布,且以人工草地和农田生境的数量最高,天然草地的数量最低;
短句来源
     The host-specificity and the host-selection of 11 species of fleas collected from 47 species of small mammals in fool of human plague in Yunnan, China, were studied by using methods in the evaluation of ecological niche breadth and overlap.
     应用生态学中的生态位宽度及生态位重叠研究方法,对中国云南人间鼠疫流行区11种蚤的宿主特异性及宿主选择进行了研究。
短句来源
     The ecological niche breadth indexes of Allactaga sibirica and Dipus sagitta are the second, equal to 0.649 and 0.610. The ecological niche overlap indexes of Crieetulus longieaudatus and Crieetulus barabensis, Allactaga sibiriea and Allactaga bullata are higher than others, equal to 0.857 and 0.828,which showed that they utilize similar environmental resources in competing.
     五趾跳鼠和三趾跳鼠的生态位宽度指数次之,分别为0.649和0.610。 长尾仓鼠和黑线仓鼠以及五趾跳鼠和巨泡五趾跳鼠的生态位重叠指数最高,分别为0.857和0.828。
短句来源
     Based on the invastigated results, the indexes of ecological niche breadth and niche overlap between insect pests and insect pests, insect pests and enemies, enemies and enemies were obtained, and the competitive relations among them in the space were analysed.
     求得各期害虫与害虫、害虫与天敌、天敌与天敌之间的生态位宽度和重叠指数,并分析了它们彼此在空间上的竞争关系。
短句来源
     Based on these investigated results,the indexes of ecological niche breadth and ecological niche overlap between insect pests and insect pests,insect pests and enemies,enemies and enemies were obtained,and the competive relations among them in the space were analysed.
     求得各时期害虫与害虫、害虫与天敌、天敌与天敌之间的生态位宽度和生态位重叠指数,并分析了它们彼此在空间上的竞争关系
短句来源
更多       
  food niche breadth
     Food niche breadth was 7.26 for adults and 6.69 for juveniles. Food niche overlap between adults and juveniles was 0.59. Males were the larger sex in E.
     成体和幼体的食物生态位宽度分别为 7.2 6和 6.69,成体和幼体的食物生态位重叠度为 0 .59。
短句来源

 

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  niche breadth
Dominance of Dremomys pernyi and Callosciurus erythraeus in small mammal communities, time niche breadth, and time niche overlap between the two small mammals were calculated, respectively.
      
Their spatial and temporal niches among the four disturbance types were assessed using the Shannon-Wiener niche breadth index and the Pianka niche overlap index.
      
In addition, the temporal niche breadth and overlap indices varied greatly in relation to disturbance types and season.
      
Population and ecological parameters such as numbers of larvae, microhabitat use, niche breadth and niche overlap of three species of syntopic larval newts (Alpine newt Triturus alpestris, Italian crested newt T.
      
The largest niche breadth was estimated for larval T.
      
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  niche width
The niche width, proportional similarity of niche and the niche overlap of dominant species of dying trees were computed.
      
Species within host trees vary from winter to summer and all the species have their own niche width, proportional similarity of niche and the niche overlap.
      
However, grey squirrels were more tree specialists and had a narrower tree-species niche width than red squirrels, in particular making greater use of oak.
      
Distribution in the intestine, multiple infections, and niche width as related to scolex morphology are discussed.
      
Data on food habits and habitat preferences of four browsing herbivores (black rhinoceros, giraffe, gerenuk and lesser kudu) were analyzed to assess niche width for each species and niche overlap between pairs of species.
      
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