Niche-breadth of freshwater macrophytes occurring in tropical southern African rivers predicts species global latitudinal range
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文摘

Two measures of niche-breadth were calculated for 44 Zambian macrophyte species.

Species were divided into narrow- and intermediate/broad-niche categories.

These showed significant variation in 6 bio-physico-chemical variables.

Narrow-niche species included a high proportion of Afrotropical endemics.

Niche-breadth predicted species latitudinal range at global and Afrotropical scales.

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