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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site afforestation The establishment of a forest, stand, or tree crop on an area not previously forested, or on land from which forest cover has been absent for a long time. Trees may be planted for a variety of reasons: to reduce erosion and hold the soil together, to act as windbreaks to shelter arable crops, and to produce timber, particularly softwoods for wood pulp. Usually trees are planted where they have not grown before (at least in the recent past), such as moorland and steppes. Related category    • ECOLOGY AND THE ENVIRONMENT Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP