Data set 1.

Column label	Column description
island_ID	A unique ID for each island.
island_coordinates	Coordinates of each island.
island_area	Total land area of each island.
island_perimeter	Perimeter of each island.
distance_Gam	Shortest distance of each island to the nearest large landmass, which is the island of Gam.
buffer_area_1000m	Neighbouring landmass around each islands within a radius of 1000 m.
tree_basal_area	Tree basal area of each island.
species_number	Species numbers on each island.
soil_depth_mean	Mean soil depth for each island.
leaf_litter_cover	Percentage of leaf litter cover on each island.
no_transects	Number of transects placed on each island. If "0" than only plots were placed on an island.
no_plots	Number of plots placed on each island.