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Table 2 Environmental factors (and their abbreviations) used in the current study along with a description of their geographic scale. The fine scale refers to plot area (100 m2), and the broad scale refers to patch size (ranges from 9.5 to 787 ha)

From: Invasive alien plant species, fragmentation and scale effects on urban forest community composition in Durban, South Africa

Environmental factor

Abbreviation

Spatial scale

Tree IAPs

T-IAPs

Fine

Shrub IAPs

S-IAPs

Fine

Climbers IAPs

C-IAPs

Fine

Canopy cover

Canopy C

Fine

Canopy gap

Canopy G

Fine

Elevation

Altitude

Fine

Gravel

Gravel

Fine

Surface rocks

Rock

Fine

Patch size

PS

Broad

Patch connectivity index

PCI

Broad

Forest land similarity index

For-LSI

Broad

Grass land similarity index

Gra-LSI

Broad

Residence land similarity index

Res-LSI

Broad

Industry land similarity index

Ind-LSI

Broad