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Decomposition or rot is the process by which dead organic substances are broken down into simpler organic or inorganic matter such as carbon dioxide, water, simple sugars and mineral salts. The process is a part of the nutrient cycle and is essential for recycling the finite matter that occupies physical space in the biosphere .
Environmental degradation is the deterioration of the environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution. It is defined as any change or disturbance to the environment perceived to be deleterious or undesirable.
Predicted fragmentation and destruction of Great Ape habitat in Central Africa, from the GLOBIO [1] and GRASP projects in 2002. Areas shown in black and red delineate areas of severe and moderate habitat loss, respectively. Deforestation in Europe. France is the most deforested country in Europe, with only 15% of the native vegetation remaining.
Decomposition is often erroneously conflated with this process of external digestion, probably because of the strong association between fungi, which are external digesters, and decomposition. The term "decomposer" refers to a role in an ecosystem, not to a particular class or type of organism, or even to a specific capacity of those organisms ...
Habitat destruction (also termed habitat loss and habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease in biodiversity and species numbers .
According to another definition, it is "a change from a baseline state beyond the point where an ecosystem has lost key defining features and functions, and is characterised by declining spatial extent, increased environmental degradation, decreases in, or loss of, key species, disruption of biotic processes, and ultimately loss of ecosystem ...
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decomposition The process by which tissues of dead organisms are broken down by both biotic and abiotic processes into simpler forms of organic matter, thereby clearing the limited available space in a biome. deep sea community Any community of organisms linked by a shared habitat in the deepest parts of a sea or ocean. deforestation ...