Sierra Nevada Forests

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Forests are small biomes and representing around 30% of Earth’s land. It is very important while animals and humans breathe oxygen and exhale carbon dioxide and trees doing exactly opposite of that and produce oxygen. There are 26 types of forests, which can be classified into 6 categories and there is incredible diversity among of tree species. The Sierra Nevada forests are mixed up to five species or monospecific, depend on the range and conditions. Trees at higher elevation are adapted to the stressful environment, to perform metabolic activities at low temperatures. Otherwise, they couldn’t survive, because the growing season is not long enough. They have slow growth, even if the conditions are good. At lower elevations, the trees are

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