Forest degradation is different from deforestation. Deforestation occurs when forests are converted to non-forest uses, such as agriculture and road construction. The term forest degradation is used to indicate the destruction or reduction in quality of specific aspects of forests.
The intentional and unintentional transfer of species from one water body to another around the world has boomed in recent decades. Many seas and regions have been invaded by a high number of non-native species. Some of these species thrive in their new habitats, out-competing native species and changing