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Land use change, especially in the form of deforestation, is the second largest source of carbon dioxide emissions from human activities, after the burning of fossil fuels. [4] [5] Greenhouse gases are emitted from deforestation during the burning of forest biomass and decomposition of remaining plant material and soil carbon.
Even the simplest forms of agriculture affect diversity – through clearing or draining the land, discouraging weeds and pests, and encouraging just a limited set of domesticated plant and animal species. [23] There are also feedbacks and interactions among the proximate and underlying causes of deforestation that can amplify the process.
Deforestation is defined as the conversion of forest to other land uses (regardless of whether it is human-induced). [14] Deforestation and forest area net change are not the same: the latter is the sum of all forest losses (deforestation) and all forest gains (forest expansion) in a given period. Net change, therefore, can be positive or ...
Invasive species are defined by the U.S. Department of Agriculture as non-native to the specific ecosystem, and whose presence is likely to harm the health of humans or the animals in said system. [139] Introductions of non-native species into new areas have brought about major and permanent changes to the environment over large areas.
Humans have also brought on varying implications into ecosystems which in turn affect animal behaviour and responses generated. [52] Although there are some species which are able to survive these kinds of harsh conditions, such as, cutting down wood in the forests for pulp and paper industries, there are animals which can survive this change ...
Lacanja burn shows deforestation. Human population growth results in changes in land use, which can cause natural habitats to become fragmented, altered, or destroyed. [5] Large mammals are often more vulnerable to extinction than smaller animals because they require larger home ranges and thus are more prone to suffer the effects of deforestation.
Air pollution: Mining can also contribute to air pollution, as the burning of fuel and the use of explosives can release smoke and other pollutants into the air. This can harm human health and contribute to climate change. Habitat loss: Mining can lead to the loss of habitat for plants and animals. This can have a negative impact on biodiversity.
Deforestation causes many threats to wildlife as it not only causes habitat destruction for the many animals that survive in forests, as more than 80% of the world's species live in forests but also leads to further climate change. [8] Deforestation is a main concern in the tropical forests of the world.