Monday, July 14, 2008

Green Forest

A forest is an area with a high density of trees. There are many definitions of a forest, based on various criteria. These plant communities cover approximately 9.4% of the Earth's surface (or 30% of total land area) and function as habitats for organisms, hydrologic flow modulators, and soil conservers, constituting one of the most important aspects of the Earth's biosphere. Historically, "forest" meant an uncultivated area legally set aside for hunting by feudal nobility, and these hunting forests were not necessarily wooded much if at all (see Royal Forest). However, as hunting forests did often include considerable areas of woodland, the word forest eventually came to mean wooded land more generally. A woodland is ecologically distinct from a forest.
There are alot of kind of Forest.
1) Rain forest are forests characterized by high rainfall, with definitions setting minimum normal annual rainfall between 1750-2000 mm (68-78 inches).The undergrowth in a rainforest is restricted in many areas by the lack of sunlight at ground level.
2)Cloud forest, also called a fog forest, is a generally tropical or subtropical evergreen montane moist forest characterized by a high incidence of low-level cloud cover, usually at the canopy level. Cloud forests often exhibit an abundance of mosses covering the ground and vegetation, in which case they are also referred to as mossy forests
3)Tropical forest also known as tropical moist forests, are a tropical and subtropical forest biome with lower rainfall are home to tropical and subtropical dry broadleaf forests and tropical and subtropical coniferous forests. Temperate rain forests also occur in certain humid temperate coastal regions.

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