Anthropogenic Biomes of the World
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Residential Rangelands

Residential Rangelands

The Residential Rangelands anthrome has two key features; its population density is never below 10 persons/km and a substantial portion of its area is used for pasture.  No other land use or land cover is as dominant as pasture in rangelands.  Bare earth is significant in this anthrome the median being nearly 1/3 of the land for every one square kilometer area.

This anthrome finds a decent portion of its area in the African plains illustrated by the constituent ecoregions.  The culture of central Africa follows that many people within the population herd animals.  Similarly the other ecoregions are found in areas where the herding of animals is commonplace. 


Climate

Median* Min Max
Mean Annual Temperature 19.5 °C -8.1 °C 30.4 °C
Mean Annual Precipitation 478
mm/yr
0.4
mm/yr
3302
 mm/yr
 
Net Primary Production Global Total Median Min Max
1015g C/yr (%) kg C/m2/yr
2.2 (4.4%)
0.21 0 2.10

Population

Global Total Median Min Max
billion persons (%) persons/km2
Total 0.23 (3.6%)
27 10 260
Non-Urban 0.22 (7.1%)
23 10 100
 

Land Use & Land Cover

 

Global Total
Median Min Max
million km2 (%) (cover %)
Total Land Area 7.3 (5.6%) N/A
Urban 0.0 (0.0%) 0.0% 0.0% 2.0%
Cultivated 1.2 (7.7%) 9.0% 0.0% 100%
Irrigated 0.12 (4.4%) 0.0% 0.0% 34%
Rice Paddy 0.04 (2.3%) 0.0% 0.0% 11%
Pasture 4.5 (16%) 66% 0.0% 100%
Tree Cover 0.48 (1.7%) 1.6% 0.0% 47%
Bare Earth 2.6 (7.3%) 29% 0.0% 100%
*Median, Minimum and Maximum estimates were calculated after removing the top and bottom 2% of cells in each anthrome based on the Euclidean distance across the means of variables used for anthrome classification.
 

Major Ecoregions (Olson)

% cover
Sahelian Acacia Savanna 11.9
West Sudanian Savanna 6.4
Somali Acacia-Commiphora Bushlands and Thickets 3.9
Mongolian-Manchurian Grassland 2.8
Mediterranean Woodlands and Forest 2.4
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Photo:  Raymond Zoller, 8/20/2003, Creative Commons Attribution ShareAlike 2.0
http://upload.wikimedia.org/wikipedia/commons/d/d5/Flugpiste_Kuhweide_%281%29.jpg

Created by:

Andrew Petit de Mange & Kelly Kennedy

Based on: Anthropogenic Biomes of the World

Ellis, E. C. and N. Ramankutty. 2008. Putting people in the map: anthropogenic biomes of the world. Frontiers in Ecology and the Environment 6(8):439-447 doi:10.1890/070062. [download]