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3. Impact model: BioScen1.5-SDM-MaxEnt

Impact model: BioScen1.5-SDM-MaxEnt

Sector

Terrestrial biodiversity

Region

global

The BioScen1.5-SDM-MaxEnt models are species distribution models of 15496 terrestrial vertebrate species (2964 amphibians, 8493 birds and 4039 mammals) using Maximum Entropy as model algorithm. BioScen1.5-SDM-MaxEnt are statistical models, which were calibrated using a 30-year average (1980-2009) of the EWEMBI observed climate input data set and IUCN and BirdLife range maps of each vertebrate species. The models are then projected to simulated historical, current and future 30-year average climate data from ISIMIP2b, resulting in probabilities of occurrence and summed probabilities of occurrence for the three different vertebrate taxa.