Natural Boreal Forest Vegetation Savanna Grassland/Shrubland - - PowerPoint PPT Presentation

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Sep 05, 2023 421 likes •633 views

Tropical Forest Temperate Forest Natural Boreal Forest Vegetation Savanna Grassland/Shrubland Tundra Semi-Desert/Desert/Ice 0 - 10% 10 - 20% 20 - 30% 30 - 40% Croplands 40 - 50% 50 - 60% 60 - 70% 70 - 80% 80 - 90% 90 - 100% 0 -

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Tropical Forest Temperate Forest Boreal Forest Savanna Grassland/Shrubland Tundra Semi-Desert/Desert/Ice

Natural Vegetation

0 - 10% 10 - 20% 20 - 30% 30 - 40% 40 - 50% 50 - 60% 60 - 70% 70 - 80% 80 - 90% 90 - 100%

Croplands

0 - 10% 10 - 20% 20 - 30% 30 - 40% 40 - 50% 50 - 60% 60 - 70% 70 - 80% 80 - 90% 90 - 100%

Pastures and Rangelands

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DI/Q (unitless) Cumulative population (billions) Con- temporary Sc1 Sc2 Sc3 1.0 0.9 0.8 1.9 1.6 0.4 1.2 1.0 2.4 2.2 0.2 1.4 1.3 2.8 2.7 0.1 1.7 1.6 3.2 3.2 0.01 2.9 2.9 5.4 5.4 0.001 4.1 4.1 7.0 7.0 0.000 4.8 4.8 8.0 8.0 A/Q (unitless) Cumulative dependent population (billions) Con- temporary Sc1 Sc2 Sc3 1.0 1.5 1.4 2.7 2.7 0.4 1.9 1.8 3.4 3.3 0.2 2.2 2.1 4.0 3.9 0.1 2.6 2.5 4.7 4.7 0.01 3.8 3.8 6.7 6.6 0.001 4.5 4.5 7.6 7.6 0.000 4.8 4.8 8.0 8.0

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Fig 1. Spatial distribution of annual water vapor fmows (mm/yr) from potential vegetation before human impacts. Fig 4. Spatial distribution of net changes in vapor fmows between potential vegetation and actual deforested and irrigated vegetation in mm/yr.