Both indices suggest a progressive decrease of overlap, as more distant hypervolumes are compared. Area (in km2) covered by each hypervolume when projected in geographic space is increasing over time.

NIAID Data Ecosystem40

Test statistics D and I of the niche overlap proposed by Warren and based on Schoener’s D and Hellinger’s distances.

生态重叠分析

物种生态位分化

The niche overlap is high when comparing the parental species. But it decreases when comparing one of the parental species with the allopolyplid species (G. bermejoi).

Figshare2018-01-17 更新20

Estimation of niche overlap between Himalayan ibex and blue sheep under different climate change scenarios.

生态重叠分析

气候变化生态影响

Estimation of niche overlap between Himalayan ibex and blue sheep under different climate change scenarios.

NIAID Data Ecosystem50

The proportion of observed overlapped Bayesian ellipses, mean % overlap area of ellipses (± SE) and mean and standard deviation for distance to nearest neighbour (DNN; ± bootstrap CI).

生态重叠分析

空间分布竞争

The proportion of observed overlapped Bayesian ellipses, mean % overlap area of ellipses (± SE) and mean and standard deviation for distance to nearest neighbour (DNN; ± bootstrap CI).

NIAID Data Ecosystem20

Appendix E. Species pairwise niche overlap values across a soil moisture gradient.

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