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建立人际资源圈The_Rain_Forest
2013-11-13 来源: 类别: 更多范文
The Rain Forest
The Rain Forest
A rain forest is a wooded area characterized by lush vegetation and high temperatures. Rain forests deforestation is increasing more with every year, although there are many conservation groups that are steadily saving the rain forest acre by acre.
Some characteristics of the rainforest are: temperatures are usually hot and steamy, the average yearly temperature is 77*F. Rain forests are not usually found near areas where the temperature drops below 32*F, because the plants and animals are not adapted to frost. The rainfall can average a minimum of 6 ft., or a maximum of 30 ft. per year. Rain forests usually never have any dry seasons, if they are short and not predictable. The soil in the rain forest is poor in nutrients that can benefit its plants. When the plants die they free nutrients back into the soil, but they are rapidly absorbed again by other plants.
The structure of a rain forest is made up of four layers, also known as strata, the under story, midstory, canopy, emergent trees. The under story is made up of palms, herbaceous plants, and tree seedlings. The under story plants have built-up atypical traits to handle low levels. The midstory
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