How Does Deforestation Affect The Carbon Cycle

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How Does Deforestation Affect The Carbon Cycle

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Forests store vast quantities of carbon, as carbohydrates and other carbon, in the living tissues of plants. Therefore they are carbon stores. Because of the continual photosynthesis of plants, they absorb more carbon dioxide that they release (although plants also undergo respiration so they do release some CO2). Therefore they are also carbon sinks. Deforestation reduces the capacity of forests to be carbon sinks. If the cleared vegetation is burnt (as it often is if the purpose of the deforestation is land clearing) then the process becomes a cabon source as combustion releases most of that stored carbon an CO2 into the atmosphere. If the timber is used for building houses then it continues to be a carbon store but will not be a carbon sink unless the deforested area is replanted.

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