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Cocha Cashu Biological Station
Cocha Cashu Biological Station (Estación Biológica Cocha Cashu or EBCC) is a tropical biological research station located at 11° 54'S and 71° 22'W in Manú National Park, Peru. It was established in 1969-70, predating the founding of its containing national park (est. 1973). Though only 10 km2 in area, the site has provided valuable research.〔 The station is situated on the shore of an oxbow lake, from which it takes its name. "Qucha" (in hispanicized spelling ''cocha'') is the Quechua word for lake. "Cashu" is derived from the English word "cashew" and refers to the shape of the lake.〔
==Environmental Makeup==
The area is geographically diverse, consisting of grasslands bordering the Andes, gorges, and plains where climate is more variant and drier. The oxbow lake itself contributes areas of marsh and brushland. This is a nutrient-rich site, the soil consisting of silt and sand, and turnover along the riverbank occurs generally within 1000 years. The annual rainfall average is somewhat over 2000 mm, most of this falling from November to May. A marked dry season is from June to August. These factors combined lend to a relatively rapidly changing landscape.〔〔
Those areas which lie outside the path of the Rio Manu's meandering edges have vegetation much older than those closer to the river, but due to common treefall, the forest canopy is low. Much of the forest is only 25–30 meters tall, with a number of trees extending outside this range at 50 meters tall or more.〔 An extensive network of lianas extends across the understory. Patches of bamboo, totaling almost a third of the locality, are marked by a scarcity of trees.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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