3) interspecific association
种间关联
1.
Spatial distribution pattern and interspecific association of Populus euphratica and Tamarix ramosissima seedlings populations along desert inland river;
荒漠内陆河岸胡杨和多枝柽柳幼苗种群空间分布格局及种间关联性
2.
Study on interspecific association of spring-autumn pasture under enclosure and recovering conditions in Yili River valley
伊犁河谷春秋草地围封恢复过程中种间关联性研究
3.
The interspecific association of the dominant species of Polygonum viviparum communities in Luya Mountains,Shanxi were analyzed by using χ2-test and Ochiai index.
选取芦芽山珠芽蓼群落中的22个优势种,运用χ2检验、Ochiai指数以及Spearman秩相关系数进行种间关联和种间相关的分析。
4) interspecific correlation
种间关联
1.
The study on the interspecific correlations among 210 species-pairs of 21 dominant populations of ligneous species showed that 109,87 and 99 species-pairs were positively correlated,while 101,122 and 111 species-pairs had negative correlations,and the ratios of positive and negative correlations were 1.
采用2×2列联表的χ2检验、Pearson相关系数和Spearman秩相关系数检验,研究了山西绵山植被21个优势种群、210个种对间的种间关联性。
2.
Methods of χ2-test for 2×2 contingency table, Pearson correlation coefficient test and Spearman rank correlation coefficient test were used to study the interspecific correlations among 276 species pairs of 24 dominant plant populations at Mt.
采用2×2列联表的χ2检验、Ochiai关联度指数、Pearson相关系数和Spearman秩相关系数检验,研究了南充金城山植被24个优势种群共276个种对的种间关联(或相关)。
5) Relationship of the species
种间联结与相关
6) interval relative degree
区间关联度
补充资料:关联度
分子式:
CAS号:
性质:表征两个事物之间的关联程度,在数学上是指两函数相似的程度,是灰色系统分析的一个术语。它用关联系数表示。关联系数,式中Δmin,Δmax分别是母因素与子因素时间数列在各时刻绝对差值的最小和最大值,Δij(tk)是tk时刻的绝对差值。
CAS号:
性质:表征两个事物之间的关联程度,在数学上是指两函数相似的程度,是灰色系统分析的一个术语。它用关联系数表示。关联系数,式中Δmin,Δmax分别是母因素与子因素时间数列在各时刻绝对差值的最小和最大值,Δij(tk)是tk时刻的绝对差值。
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