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An important consideration regarding carbon sequestration is that forests can turn from a carbon sink to a carbon source if plant diversity, density or forest area decreases, as has been observed in different tropical forests [64] [65] [66] The typical tropical forest may become a carbon source by the 2060s. [67]
Forest ecosystems have come to be seen as the most important component of the biosphere, [5] and forestry has emerged as a vital applied science, craft, and technology. A practitioner of forestry is known as a forester. Another common term is silviculturist.
Forests have an enormously important role to play in the global ecosystem. Forests produce approximately 28% of the Earth's oxygen (the vast majority being created by oceanic plankton), [3] they also serve as homes for millions of people, and billions depend on forests in some way. Likewise, a large proportion of the world's animal species live ...
Forests also filter groundwater and prevent runoff keeping water safe for human consumption. [1] There are many types of forests to consider and various techniques to preserve them. Of the types of forests in the United States, they each face specific threats. But, there are various techniques to implement that will protect and preserve them.
The forest is a natural system that can supply different products and services. Forests supply water, mitigate climate change, provide habitats for wildlife including many pollinators which are essential for sustainable food production, provide timber and fuelwood, serve as a source of non-wood forest products including food and medicine, and contribute to rural livelihoods.
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.
Forest cover in the Eastern United States reached its lowest point in roughly 1872 with about 48 percent compared to the amount of forest cover in 1620. The majority of deforestation took place prior to 1910 with the Forest Service reporting the minimum forestation as 721,000,000 acres (2,920,000 km 2) around 1920. [8]
An important consideration in such efforts is that forests can turn from sinks to carbon sources. [28] [29] [30] In 2019 forests took up a third less carbon than they did in the 1990s, due to higher temperatures, droughts [31] and deforestation. The typical tropical forest may become a carbon source by the 2060s. [32]