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Terrestrial ecosystems occupy 55,660,000 mi 2 (144,150,000 km 2), or 28.26% of Earth's surface. [5] Major plant taxa in terrestrial ecosystems are members of the division Magnoliophyta (flowering plants), of which there are about 275,000 species, and the division Pinophyta (conifers), of which there are about 500 species.
Example of a state forest landmark sign, this one for the Cueva Ventana in Guajataca.. Puerto Rico state forests (Spanish: Bosques estatales de Puerto Rico), sometimes referred to as Puerto Rico Commonwealth forests in English, [1] [2] are protected forest reserves managed by the government of Puerto Rico, particularly by the Puerto Rico Department of Natural and Environmental Resources.
[3] [4]: 5 [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows. [5] "Ecosystem processes" are the transfers of energy and materials from one pool to another. [2]: 458 Ecosystem processes are known to "take place at a wide range of scales". Therefore, the correct scale of study depends on the ...
The forest location makes its environment unique in Puerto Rico for its humid climate, its serpentinite soils and its high rate of animal and plant endemicity. [2] The forest is located on the western region of the Cordillera Central of Puerto Rico and encompasses 10,803 acres (43.72 km 2) of land in a high rainfall area through the municipalities of San Germán, Sabana Grande and Maricao.
The functional classification of EFTs developed by Paruelo et al. (2001) [1] and Alcaraz-Segura et al. (2006, 2013) [2] [3] uses time series of spectral vegetation indexes to capture the carbon gains dynamics, the most integrative indicator of ecosystem functioning. [4]
Illinois ecoregion map prepared by the USEPA. The list of ecoregions in Illinois are lists of terrestrial ecoregions (see also, ecosystem) of the United States' State of Illinois, as defined separately by the United States Environmental Protection Agency (USEPA), and by the World Wildlife Fund.
The Guayana natural region (Spanish: Región natural de Guayana), also simply known as Guayana (English: Guiana) in Venezuela, is a large massif of approximately 441,726 km 2 (170,551 sq mi) area, equivalent to 48.2% of the total continental territory of the country.
Valle de los Cirios ("Valley of the Candles") is a wildlife protection area in the southern portion of the municipality of Ensenada in Baja California, Mexico.At 2,521,776 hectares (9,736.63 sq mi) in area, it is the second-largest wildlife protection area behind El Vizcaíno Biosphere Reserve, but it includes more land than El Vizcaíno.