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Vegetation is an assemblage of plant species and the ground cover they provide. [2] It is a general term, without specific reference to particular taxa , life forms, structure, spatial extent, or any other specific botanical or geographic characteristics.
Vegetation indices classification is a system in which two or more spectral bands are combined through defined statistical algorithms to reflect the spatial properties of a vegetation cover. Most of these indices make use of the relationship between red and near-infrared (NIR) bands of satellite images to generate vegetation properties. Several ...
In 2010, the world had 3.92 billion hectares (ha) of tree cover, extending over 30% of its land area. [1] [need quotation to verify] In 2020, the world had a total forest area of 4.06 billion ha, which was 31 percent of the total land area.
Asia (/ ˈ eɪ ʒ ə / ⓘ AY-zhə, UK also / ˈ eɪ ʃ ə / AY-shə) is the largest continent [note 1] [10] [11] in the world by both land area and population. [11] It covers an area of more than 44 million square kilometres, [note 2] about 30% of Earth's total land area and 8% of Earth's total surface area.
West Asia; Area: 5,994,935 km 2 (2,314,657 sq mi) a: Population: 313,450,000 (2018) [1] [2]Population density: 50.1/km 2 (130/sq mi): GDP (): $9.063 trillion (2019 ...
Plant cover data may be used to classify the studied plant community into a vegetation type, to test different ecological hypotheses on plant abundance, and in gradient studies, where the effects of different environmental gradients on the abundance of specific plant species are studied .
The Southern sections of Asia are mild to hot, while far northeastern areas such as Siberia are very cold, and East Asia has a temperate climate. The highest temperature recorded in Asia was 54 °C (at Ahvaz Airport, Iran on June 29, 2017, and at Tirat Zvi, Israel on June 21, 1942).
Land cover is the physical material at the land surface of Earth. Land covers include flora , concrete , built structures, bare ground, and temporary water . Earth cover is the expression used by ecologist Frederick Edward Clements that has its closest modern equivalent being vegetation .