Qualla: Alto Maues Ecological Station

Alto Maues Ecological Station: Introduction

Fri, 06 Mar 2026 00:00:00 GMT

Fourteen species of primates live in a single stretch of jungle between the Madeira and Tapajos rivers. Three of them exist nowhere else. The Alto Maues Ecological Station covers 665,673 hectares of Amazonas state, an area larger than Delaware, and it holds one of the highest concentrations of primate diversity found anywhere in the Amazon basin. Created in 2014 as compensation for the environmental damage expected from a massive hydroelectric complex upstream, the station is both a biological treasure and a political bargain, a place where conservation and industrial development negotiated an uneasy truce.

Alto Maues Ecological Station: A Web of Rivers

Fri, 06 Mar 2026 00:00:00 GMT

The station occupies gently rolling terrain between two of the Amazon's great tributaries. The Abacaxis River forms the western boundary, fed by the Curauari, Caramuri, and Paracati. The Parauari flows through the eastern portion. At the center, the Maues Acu basin gathers a rema...

Alto Maues Ecological Station: The Primate Sanctuary

Fri, 06 Mar 2026 00:00:00 GMT

Biologists call this area an ecological sanctuary, and the label is not casual. Among the station's 14 primate species, three are endemic, found only in this interfluvial region. The red-faced spider monkey, the white-nosed saki, and the woolly monkey are all classified as threat...

Alto Maues Ecological Station: A Bargain with Dams

Fri, 06 Mar 2026 00:00:00 GMT

The Alto Maues Ecological Station did not come into existence through simple conservation idealism. The Brazilian government created it on 16 October 2014 as explicit compensation for the anticipated impacts of the Tapajos hydroelectric complex on seven federal environmental unit...

Alto Maues Ecological Station: Strict Protection, Uncertain Boundaries

Fri, 06 Mar 2026 00:00:00 GMT

The station carries the most restrictive conservation classification available under Brazilian law: IUCN Category Ia, a strict nature reserve. Unlike national forests, where sustainable logging and mining are permitted, an ecological station exists for preservation and research a...