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Monarch Butterfly Biosphere Reserve

Monarch Butterfly Biosphere Reserve
Reserva de Biosfera de la Mariposa Monarca
Santuario de la Mariposa Monarca (3088019191).jpg
Entrance of Monarch Butterfly Biosphere Reserve
Map showing the location of Monarch Butterfly Biosphere Reserve
Map showing the location of Monarch Butterfly Biosphere Reserve
Location in Mexico
Location Michoacán-Mexico State border
Nearest city Mexico City
Coordinates 19°36′23″N 100°14′30″W / 19.60639°N 100.24167°W / 19.60639; -100.24167Coordinates: 19°36′23″N 100°14′30″W / 19.60639°N 100.24167°W / 19.60639; -100.24167
Area 56,000 hectares
Established 1980 (as a wildlife refuge)
Type Natural
Criteria vii
Designated 2008 (32nd session)
Reference no. 1290
State Party Mexico
Region Latin America and the Caribbean

The Monarch Butterfly Biosphere Reserve (Spanish: Reserva de Biosfera de la Mariposa Monarca) is a World Heritage Site containing most of the over-wintering sites of the eastern population of the monarch butterfly. The reserve is located in the Trans-Mexican Volcanic Belt pine-oak forests ecoregion on the border of Michoacán and State of Mexico, 100 km (62 miles), northwest of Mexico City. Millions of butterflies arrive in the reserve annually. Butterflies only inhabit a fraction of the 56,000 hectares of the reserve from October–March. The biosphere’s mission is to protect the butterfly species and its habitat.

Most of the over-wintering monarchs from eastern North America are found here. Western researchers discovered these areas in 1975. Presidential decrees in the 1980s and 2000 designated these still privately held areas as a federal reserve. The Reserve was declared a Biosphere Reserve in 1980 and a World Heritage Site in 2008. The reserve remains predominantly rural. Reserve administrators continue to be concerned with deleterious effects of illegal logging and tourism. Conservation efforts sometimes conflict with the interests of local farmers, community-based landowners, private land owners and indigenous people.

The reserve was designated in 1980 by President José López Portillo. In the late 1980s reserve management was delegated to the Secretariat of Urban Development and Ecology. It was at this time assigned the category of “special biosphere reserve.” In 1986, the area and boundaries of the zones were defined. In 2000, it received its name (Reserva de la Biosfera Mariposa Monarca).UNESCO declared the biosphere a World Heritage site in 2008 as a Natural Asset. Currently the area is known for tourism, logging, mining and farming. It has remained mostly rural, noted for communities of Otomi and Mazahua.


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