1) multi-niche breadth
多维生态位宽度
1.
Based on the principle of niche space compartmentalization, the characteristics of multi-niche breadth and multi-dimension overlap of dominant populations in the mixed Phyllostachys heterocycla communities were studied.
应用生态位空间分割法 ,分别考虑资源利用率与否测定毛竹混交林多维资源空间中主要种群多维生态位宽度及多维生态位重叠 。
2) niche breadth
生态位宽度
1.
The results show that in this study region,Artemisia scoparia niche breadth is the largest.
研究了阜新新邱露天矿排土场植被恢复过程中主要种群的生态位特征,结果表明:(1)在本研究区域内,猪毛菜(Artemisia scoparia)的生态位宽度最大,对资源的利用能力最强,对环境的适应性也是最强的。
2.
24 communities have been carried out and the niche breadths,niche overlaps,multi-interspecies association,and pair-interspecies association of 13 populations are obtained on the investigation.
选择了其扩散区域内的24个样地进行群落学调查,测定了群落中13个种群的生态位宽度、生态位重叠、多物种间总体关联性及成对物种间联结性,结果表明:①水盾草入侵沉水植物群落13个种群中,水盾草的生态位宽度最大,金鱼藻(Ceratophyllum demersum)、黑藻(Hydrilla verticillata)和苦草(Vallisneria natans)次之。
3.
In this paper,plant niche breadth and niche overlap were analyzed on oasis-desert ecotone in Fukang of Xinjiang,with 7 measurements.
对于生态位宽度和生态位重叠已有多种计测公式 ,这些公式的生态学合理性和应用上的可操作性 ,一直是生态学家关注的问题[1,7,9] 。
3) niche width
生态位宽度
1.
The results indicate as following:niche width of these species can be ordered as Chimonanthus praecox(0.
结果表明,生态位宽度从大到小依次为:蜡梅(0。
2.
The results indicate as following: niche width of these seedlings can be ordered as Pinus massoniana(0.
结果表明:生态位宽度的大小次序为马尾松(0。
3.
From the niche theory based on fuzzy sets,the formulas of niche width and niche overlap are obtained and applied to the temporal niche of Osmia exca-vata Alfken and O.
为克服这个局限,利用模糊数学发展了生态位理论,提出了模糊超体积生态位概念以及关于生态位宽度和生态位重叠的度量公式,并在苹果园中凹唇壁蜂和紫壁蜂的时间生态位研究中应用。
4) Time niche breadth
时间生态位宽度
5) trophic niche width
营养生态位宽度
1.
Interspecies competition is the main factor determining the trophic niche width of sympatric species on both ecological and evolutionary levels.
2004年8月,在可可西里自然保护区的楚玛尔河至五道梁一带观察藏羚羊、藏原羚和藏野驴的行为活动,并收集其粪便,运用粪便显微分析法对其食性进行研究,计算3种动物的营养生态位宽度和营养生态位重叠指数。
6) Food niche width
食物生态位宽度
补充资料：内分位数宽度
内分位数宽度
interquantile width
内分位数宽度【加加r邓即l山e州dth;.Tep.aH~二二“pOTa〕，内分位数距离(inter .q珑Inti】e曲切n沈)，内分位数间距(加沈r一qt‘Int口e ran罗) 同一水平的上分位数与下分位数之差(见分位数(ql必n山e)).假设F(x)是严格单调连续型分布函数，p是区间0
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条