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Jatun Sacha Biological Reserve

Jatun Sacha Biological Reserve

A thin band of the Tropical Wet Forest connecting the Andes Mountain Range and the Amazon River Basin labeled as one of the most biological diverse areas, and Alpha Biodiversity Hot Spot.



The Jatun Sacha Biological Station, created in 1986, is a center for field research and education in the tropical rainforest region of the upper Napo river in the Ecuadorian Amazon. The station includes a reserve of 2,200 hectares, of which 70% is primary forest and the remainder is secondary growth.

The name “Jatun Sacha” means big forest, in Quichua, the native language of the majority of the people surrounding the reserve. In 1993 The International Children’s Rainforest Network declared Jatun Sacha the II Children’s Rainforest of the World.

The original reserve of 200 hectares was formed by land acquisitions conducted from 1989 to 1991 from donations by several conservation organizations concerned with the rapid loss of the tropical Rainforests in the Amazon and the world. In 1993, further additions to Jatun Sacha’s land holdings were made possible through donations from the International Children’s Rainforest Network.

During the first years of the Jatun Sacha Biological Station, scientific research has focused on collections and inventories of the biota. Checklist of the following flora and fauna groups are available: reptiles and amphibians, birds, trees, vascular plants, fungi, butterflies, and mammals. Ecological research has included multi-taxonomic monitoring and silvicultural trials. The Jatun Sacha station has also hosted a number of field-related biology courses directed at national and international students. The courses include medicinal ethnobotany, dendrology of Amazonian Ecuador, ecology of populations, Amazon jungle biology for ecotourism guides, and Save the Rainforest seminars for US high school teachers.

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