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Organisms and non-living elements of the environment such as climate, soil, and water are connected through the movement of nutrients and energy in ecosystems. Ecosystems represent specific areas wher...

The Africa Surficial Lithology layer maps the geology of Africa into 20 classes based on the bedrock type and the distribution of unconsolidated surface material. It shows the distribution of the key ...

The Africa Topographic Moisture Potential layer classifies the landscape of Africa as either upland or lowland (and other depressions) area. It was produced as part of the USGS’s Africa Ecosystems Map...