1) Niche breadth and overlap
生态位宽度和重叠
2) Inche breadth and overlap
生态位宽度和重叠值
3) Niche overlap
生态位重叠度
1.
The result showed that the largest nutritional niche overlap occurred between I.
结果表明,环链棒束孢与粉棒束孢的营养生态位重叠度最大,与球孢白僵菌时间生态重叠度最大。
4) niche overlap
生态位重叠
1.
But there has been no clear correlation;Artemisia annua and Aneurolepidium chinense,Artemisia mongolia and Poa annua niche overlap between high on their .
(2)黄花蒿(Artemisia annua)与羊草(Aneurolepidium chinese),蒙古蒿(Artemisia mongolia)与早熟禾(Poa annua)之间的生态位重叠最高,说明它们对空间资源的利用效率比较高,能充分的利用资源。
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] 。
5) niche overlaps
生态位重叠
1.
The niche breadth,niche overlaps and niche similarity of 10 main trees species in the Mt.
以Levins和Shannon-Wiener生态位宽度和Pianka重叠指数对甘肃小陇山锐齿栎林的10个主要种群生态位宽度和生态位重叠及生态相似性进行了研究,分析了生态位宽度和生态位重叠的关系,揭示了各种群在群落中的功能地位及其生态适应性。
2.
The niche breadth,and niche overlaps of 10 main trees species in the Mountain Xiaolong in Gansu were measured using the formula proposed by Levins,Shannon-Wiener and Pianka.
以Levins和Shannon-Wiener生态位宽度及Pianka重叠指数为依据,将土壤有机质、土壤pH值、土壤全N分别作为反映各主要种群生长环境的资源轴,对小陇山锐齿栎林的10个主要种群生态位宽度和生态位重叠进行了研究。
3.
The niche characteristics of 17 dominant species of plant communities in Tianlong Mountains were analyzed, including the 40 quadrats were divided into 6 types of commnities by TWINSPAN,and the niche breadths and niche overlaps of main dominant species in the communities in Tianlong Mountains were measured by using Levins,Shannon-Wiener and Petraits s methods.
对天龙山植被的17个优势种群生态位进行了研究,首先用TWINSPAN与传统群落的分析方法,把40个样方分为6个群落类型,用Levins和Shannon-wiener生态位宽度和Petraitis生态位特定重叠指数测定群落中优势种群生态位宽度和生态位重叠,并分析其生态学意义。
6) niche overlapping
生态位重叠
1.
In order to find the vegetable niche pattern in arid and semi-arid grassland region,the niche breadth and niche overlapping in three different measures in Yanchi county of Nixia are measured by means of Levins niche breadth and Pianka niche overlapping indexes of enclosed grassland.
为了解干旱半干旱区草原植物生态位格局,运用Levins生态宽度指数及Pianka生态位重叠指数,对宁夏盐池人工封育草原3种不同措施下的植物生态位宽度及生态位重叠进行计量。
2.
Based on the niche theory,the manifestations of the niche overlapping in Balariver rural tourist area,southeast Guizhou Miao and Dong Autonomous Prefecture,were discussed.
在此理论基础上具体探讨黔东南苗族侗族自治州巴拉河乡村旅游区发展中存在的旅游地生态位重叠现象的主要表现,并针对由于生态位重叠而引发的恶性竞争问题提出促使巴拉河乡村旅游区协调发展的战略性建议。
3.
The niche breadth and niche overlapping in desertgrassland region fenced in Yanchi County,Ningxia Hui Autonomous Region were measured in 2002 and 2003 by mean of using Levins(1968) niche breadth and Pianka niche overlapping indexes.
运用Levins生态宽度指数及Pianka生态位重叠指数对宁夏盐池荒漠草原人工封育区2002年及2003年生态位宽度及生态位重叠进行计量。
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