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Table 1 Description of the predictor variables involved in this study that may affect the spatial individual specialization index of Ia io

From: Linking changes in individual specialization and population niche of space use across seasons in the great evening bat (Ia io)

Variables

Description

Body mass

Weight per bat (g)

Land use

For different land use types corresponding to different land use type indices, bare land = 1, woodland and scrub = 2, grassland, farmland = 3, water bodies = 4

Elevation

Local altitude (m a.s.l.) corresponding to each bat activity location

Road distance

Distance from the road, divided into four categories (< 10, 10–100, 100–500 and > 500) converted into weights, i.e., 1, 0.5, 0.25 and 0 respectively

Village density

The density of villages within the home range of each bat (No. villages km−2)

Insect diversity

Diversity index of insects (Shannon diversity)