Table 1

Expected changes for the year 2100 in the five major drivers of biodiversity change (land use, atmospheric composition CO2, nitrogen deposition, climate, and biotic exchange) for the principal terrestrial biomes of the Earth (arctic tundra, alpine tundra, boreal forest, grasslands, savannas, Mediterranean ecosystems, deserts, northern temperate forests, southern temperate forests, and tropical forests).

ArcticAlpineBorealGrass- landSa- vannaMedDesertN tempS tempTropic
Land use1.01.02.03.03.03.02.01.04.05.0
Climate5.03.04.02.02.02.02.02.02.01.0
Nitrogen deposition1.03.03.03.02.03.02.05.01.02.0
Biotic exchange1.01.02.03.03.05.03.03.02.02.0
Atmospheric CO2 2.52.52.52.52.52.52.52.52.52.5