Fig. 3: The study area (North and South Islands of Aotearoa New Zealand) showing the division into grid cells of 10 x 10 km.

A Aggregated communicability per cell, calculated as the sum of the communicability of each species present in the cell. Aggregated communicability measures the ability of a local community to propagate effects to neighbouring communities, such that this map highlights locations with the greatest potential for propagating effects. B Most prevalent land use category in each cell. Source data are provided as a Source Data file.