including removal of the trees for wood products and for croplands andgrazinglands. In the practice ofclear-cutting, all the trees are removed from the land, which completelydestroys the forest. In some cases, however, even partial logging and accidental fires thin out the trees enough to chang...
consider 250 millimetres the upper limit for mean annual precipitation for true deserts, describing places with a mean annual rainfall of between 250 and 400 millimetres as semideserts. Regions this dry are barely arable and contribute to human food production only by providinggrazinglands for ...
A valley is a lowland area or surface depression of the earth between higher lands such as mountains or hills. In simple terms, it can be defined as a natural trough bounded by mountains or hills on the surface of the earth sloping down to the lake, ocean or stream, which is created b...
consequent deserts. The Sahara Desert in North Africa is an example of a subtropical desert and is formed by this air movement from the equator. The Sahara desert can be seen clearly covering most of north Africa. Animals and Plants in the Desert ...
Range: As far west as California, as far south as Texas, as far east as Minnesota, and north of the United States into southeastern Alberta, Canada 3. Green Toad Green toads breed from late-March to July during heavy rainfall seasons, and can be found in arid and semi-arid lands of ...
transitional land areas, the soil is deep and fertile. This makes it ideal for growing crops and for using it as pasture lands for animals. The famous prairies of the Americas are the most recognized pastureland. Sadly, only an estimated 2% of the grassland biome area in North America still...
The capture method is the most suitable way to detect the presence of small rodents (Lettink and Armstrong 2003), due to their naturally low abundances and nocturnal habits in drylands. We arranged four transects under each tree following the cardinal points. In each transect, we placed five...
Despite the difference in their name, these antelopes are very similar in size. You can expect either of those towering giants to reach up to345 cmin length. That’s over three meters! The reason for the name ‘giant’ is regardingits horns. Giant elands have massive horns of up to120...
The Editors of Encyclopaedia Britannica Last Updated:Nov 22, 2024•Article History dam, structure built across a stream, a river, or an estuary to retainwater. Dams are built to provide water for humanconsumption, for irrigating arid and semiarid lands, or for use in industrial processes. ...
Farm households in drylands may produce either to meet their subsistence consumption needs or for the market to raise the much needed cash income. The market orientation of farm households often depends on the quantity and type of products that they need for their consumption, which in turn ...