Deforestation : disruptions of various intensities and frequencies (GlobusGreen)

Read at : Google Alert – desertification

The Impacts of Deforestation

Ecosystems are continuously affected by disruptions of various intensities and frequencies.  Deforestation is a long-term conversion of forest to agricultural or urbanised land, and the human impact of deforestation and global climate change causes severe damage to forest ecosystems (Krebs 2009; Harrison & Pearce 2000). Globally, many rainforest species are increasingly threatened due to deforestation, and even though they cover only about 7 % of the Earth’s land surface, they provide a habitat for approximately 50 % of all the known species on Earth (Casper 2010). Many of the species known to occur in tropical forests have local distributions, which makes them vulnerable to extinction if their habitat is lost (Krebs 2009).


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