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   trophic niche 的翻译结果: 查询用时:0.162秒
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trophic niche
相关语句
  营养生态位
     The PS and Levins index of trophic niche were respectively listed 52.79% and 0.760 between stage Ⅰ and Ⅱ,50.77% and 0.782 between stage Ⅱ and Ⅲ,42.28% and 0.677 between stage Ⅰ and Ⅲ.
     单位体重摄食生物量百分率相似指数和营养生态位Levins重叠指数Ⅰ期和Ⅱ期分别为52.79%和0.760,Ⅱ期和Ⅲ期为50.77%和0.782,Ⅰ期和Ⅲ期为42.28%和0.677。
短句来源
     Trophic niche width of stage Ⅰ,Ⅱ and Ⅲ were orderly listed as 8.229,17.217,9.463.Index of percent similarity(PS) of tadpoles' food items in different stage was not very large.
     Ⅰ期和Ⅲ期在28属藻类有3属差异极显著,有1属差异显著。 Ⅰ,Ⅱ,Ⅲ期蝌蚪营养生态位宽度分别为8.229,17.217,9.463。
短句来源
     Both the index of food dissimilarity and the separation of trophic niche between males and females were lower after reproduction. Reproduction affected the animal's food intake.
     繁殖期雄体的食物多样性指数及营养生态位宽度均大于雌体,繁殖后雌体的食物多样性指数及营养生态位宽度均大于雄体,雌雄个体间的食物百分率相异性指数及营养生态位分离值小。
短句来源
     Trophic niche and interspecific food competitive model of grasshoppers in desert grassland.
     荒漠草原蝗虫营养生态位及种间食物竞争模型的研究
短句来源
     The trophic niche and interspecific food competitive model of 12 grasshopper species in Ningxia desert grassland were studied.
     以宁夏荒漠草原 1 2种蝗虫为对象 ,对荒漠草原蝗虫的营养生态位和种间食物竞争模型进行了研究 .
短句来源
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  “trophic niche”译为未确定词的双语例句
     Comparing trophic niche breadth and overlapping index for 18 ecological factors of spring foraging site among the three pheasants, the results showed that S. humiae held the least eurytopic factors (value of trophic niche breadth bigger than 0.8) (one factor) and the most stenotopic factors (its value less than 0.8) (four factors) of the three pheasants.
     比较三者春季取食地18个生态因子生态位宽度和重叠指数,结果显示,黑颈长尾雉广适性(生态位宽度值>0·8)的取食地因子最少(1个),专一性(生态位宽度<0·8)因子最多(4个);
短句来源
     The trophic niche widths and overlaps of these herbivorous ungulates were calculated based on the diet compositions, and the results showed that these three ungulates had similar foods, but the proportions of their diet compositions were different. Gramineous plants were the main food sources for P. hodgsoni, P. picticaudata and E. kiang, accounting for 58.7%, 44.57% and 92.28% of the diet, respectively.
     结果表明:藏羚羊、藏原羚和藏野驴所采食的植物种类基本相似,但在食谱中所占的比例不同,禾本科植物在藏羚羊、藏原羚和藏野驴的食谱中所占的比例分别为58.7%、44.57%和92.28%.
短句来源
  相似匹配句对
     Niche
     生态位
短句来源
     FOOD DIVERSITY AND TROPHIC NICHE OF THE BREEDING POPULA
     花背蟾蜍繁殖种群食物多样性及营养生态位的研究
短句来源
     TROPHIC NICHE OF GRASSHOPPERS WITHIN STEPPEECOSYSTEM IN INNER MONGOLIA
     草原蝗虫营养生态位的研究
短句来源
     (4) niche;
     ( 4 )龛影 ;
短句来源
     The trophic and medicinal value of zizyphus
     枣的营养及药用价值
短句来源
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  trophic niche
With respect to spatial and trophic niche components, it seems that D.
      
Trophic Niche Segregation in the Nilotic Ichthyofauna of Lake Albert (Uganda, Africa)
      
Therefore, juvenile gudgeons may have to pass through a similar spatial and trophic niche to introduced mosquitofish before recruiting to the adult stage.
      
Ontogenetic increases in mouth size and changes in dentition of percoid fishes may affect the size and species of prey selected, thus influencing the fundamental trophic niche.
      
Overall, the results support the hypothesis that trophic niche differentiation of bark living oribatid mites contributes to the high diversity of the group.
      
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This paper is the fourth to be published in a series of studies on the stored product insect community ecology. The niche breadth of some major stored product insects and the niche overlap between them were measured with the data investigated from seven counties of Sichuan in 1983—1984. The niche breadth of three-dimensions (trophic, temporal and spatial) of Sitophilus zeamais, Tribolium confusum, Sitotroga cerealella, Oryzaephilus surinamensis. Tyrophagus putreseentiae and Lariophagus distinguendus was firstly...

This paper is the fourth to be published in a series of studies on the stored product insect community ecology. The niche breadth of some major stored product insects and the niche overlap between them were measured with the data investigated from seven counties of Sichuan in 1983—1984. The niche breadth of three-dimensions (trophic, temporal and spatial) of Sitophilus zeamais, Tribolium confusum, Sitotroga cerealella, Oryzaephilus surinamensis. Tyrophagus putreseentiae and Lariophagus distinguendus was firstly measured based on the niche breadth model given by C. C. David (1970): B_i=-sum from j=1 to R [N_(ij)/N_i Log_2(N_(ij)/N_i)]Log_2 R The results indicated that Sitophilus zeamais, Tribolium confusum, Sitotroga cerealella, Tyrophagus putrescentiae are the stored product insects(mites) which do damage to stored grain for a long period and attack on many stored commodities, they distribute in a wide area. Sitophilus zeamais is the most important one, the efficiency of natural enimy appears weakness. The three-dimensions niche overlap among Sitophilus zeamais, Tribolium confusum, Sitotroga cerealella, Oryzaephilus surinamensis, Tyrophagus putrescentiae and their enimies were measured based on the model given by Pianka (1973): O_(ik)=(sum from j=1 to S P_(ij)P_(kj))/(sum from j=1 to S P_(ij)~2 sum from j=1 to S P_(kj)~2)~(1/2) The results indicated that the trophic niche overlap between Sitophilus zeamais and Oryzaephilus surinamensis, Sitophilus zeamais and Tyrophagus putrescentiae, Oryzaephilus surinamensis and Tyrophagus putrescentiae are dominant, but that between Sitophilus zeamais and its senimy is less in temporal niche and larger in spatial niche.

本文是仓虫群落生态的初步研究之四,根据1983~1984两年从四川七市(县)进行定时定点系统调查和普查的资料,对仓虫群落中主要仓虫的生态位宽度和重叠进行了测定。首先,用C.C.David(1970)提出的生态位宽度模型:B_i=-sum from j=1 to R[N_(ij)/N_iLog_2(N_(ij)/N_i)]Log_2R测定了玉米象等主要仓虫的三维生态位(营养、时间和空间)宽度,其结果表明:玉米象、杂拟谷盗、麦蛾和腐食酪螨是为害时间长,分布区域广,为害储粮品种多的仓虫或仓螨,尤其是玉米象,而天敌对它们的抑制力则很弱。其次,用Pianka(1973)提出的生态位重叠模型:O_(ik)=sum from j=1 to SP_(ij)P_(kj)/(sum from j=1 to S)P_(ij)~2sum from j=1 to S_(kj)~2)~(1/2)测定了玉米象等主要仓虫的三维生态位重叠,其结果表明:玉米象和锯谷盗、玉米象和腐食酪螨、锯谷盗和腐食酪螨在营养生态位上的重叠程度较大;而玉米象和天敌在时问生态位上重叠程度最小,在空间生态位上重叠最大。

The investigation of interspecific relationship between the Great Tit Parus major and Willow Tit Parus montanus was carried out at the Qilian Mountain, from April to Juny of 1984, from May to June of 1985 and at the Xinglong Mountain from March to May of 1986 in Province Gansu, The, paper deals with the interspecific relationship between the Great Tit and Willow Tit in the selection of habitat, foraging niches and the analysis of food. In the overlap areas of geographic distribution, overlap value of niche between...

The investigation of interspecific relationship between the Great Tit Parus major and Willow Tit Parus montanus was carried out at the Qilian Mountain, from April to Juny of 1984, from May to June of 1985 and at the Xinglong Mountain from March to May of 1986 in Province Gansu, The, paper deals with the interspecific relationship between the Great Tit and Willow Tit in the selection of habitat, foraging niches and the analysis of food. In the overlap areas of geographic distribution, overlap value of niche between the Great Tit and the Willow Tit is lower in the altitude of habitat. The Great Tit habits at an altitude of below 2,370m, and prefering chiefly to aspen-birch community and artificial old-age popular community, but the Willow Tit habits at an altitude of over 2,300m, prefering more greatly to the mixed community and mountain aspen-oak community. There are certain overlap in their habitats, but the overlap value is lower. In the o,overlap among 4 dimensions of foraging niches between two species of tit, there is lower overlap value of niche is the dimensions selecting the kinds of trees, but the overlap value of niches is all greater in the others. Between two species of tit there is certain overlaps in the trophic niche, and overlap value of size of food is more great. In the course of evolution and development, through ecological separation between two species does not take place.

在地理分布重叠地区的大山雀Parus major和褐头山雀Parus montanus栖息地海拔高度不同。大山雀栖于海拔2,370米以下,集中于次生杨桦林和老年人工杨树林;褐头山雀栖于海拔2,300米以上,集中于混交林和山杨栎林。它们的栖息地有一定重叠,但重叠值较低。重叠地带觅食生态位的四维中,树种选择一维有所不同,其余三维生态位重叠值均较大。两个种营养生态位有一定重叠,食物大小的重叠值更大。在进化发展过程中,两种山雀间完全的生态分离没有发生。

The niche breadth, the niche overlap, the percentage similarity and the interspecific competition coefficient of three species of rice planthoppers (Laodelphax striatellus, Sogatella furcifera and Nilaparvata lugens) were estimated by means of investigating their spatial niche and trophic niche. The competitive relation of three rice planthoppers in trophic necessary and their position and function in the paddy fields were also revealed according to the population occurrence and fluctuation of them....

The niche breadth, the niche overlap, the percentage similarity and the interspecific competition coefficient of three species of rice planthoppers (Laodelphax striatellus, Sogatella furcifera and Nilaparvata lugens) were estimated by means of investigating their spatial niche and trophic niche. The competitive relation of three rice planthoppers in trophic necessary and their position and function in the paddy fields were also revealed according to the population occurrence and fluctuation of them.

通过3种稻飞虱空间生态位和营养生态位的调查,测定出生态位宽度、生态位重叠、比例相似性和种间竞争系数.根据3种稻飞虱在稻田中发生和消长情况,揭示了它们在营养需求上的竞争关系,以及在稻田中的地位和作用.

 
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