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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.
Image of the Aral Sea in 1989 (left) and 2014. The Aral Sea is an example of a Collapsed (CO) ecosystem. [1] (image source: NASA)The Red List of Ecosystems was created to carry out assessments of biodiversity at a level of biological organization above species. [2]
An ecosystem (or ecological system) is a system formed by organisms in interaction with their environment. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows.
Insurgente José María Morelos National Park is located 23 km east of Morelia, in the municipalities of Charo and Tzitzio.It is in a portion of the Trans-Mexican Volcanic Belt known as the Sierra de Mil Cumbres or Sierra de Otzumatlán.
The Tehuacán-Cuicatlán biosphere reserve is a protected natural area located in southeastern Mexico. Its name derives from its two main locations: Cuicatlán and Tehuacán, in the latter are their administrative offices, covers 490,186 hectares distributed among 21 municipalities in the state of Puebla and Oaxaca.
The Science Education Resource Center, Carleton College, offers the following description: "Earth System science embraces chemistry, physics, biology, mathematics and applied sciences in transcending disciplinary boundaries to treat the Earth as an integrated system.
The park was created by Law 409 enacted June 3, 1976. It was preceded by a Reserva Forestal (Forest Reserve) called Zona Vedada de Los Haitises (Los Haitises Prohibited Zone), created by Law 244. In 1996, its area was expanded from 208 to 826 km 2 (80 to 319 sq mi) by Decree 233. Its boundary, which has been redrawn on several occasions, is ...
Madagascar belongs to the Afrotropical realm.With its neighboring Indian Ocean islands, it has been classified by botanist Armen Takhtajan as Madagascan Region, and in phytogeography it is the floristic phytochorion Madagascan Subkingdom in the Paleotropical Kingdom.