The Purus River does not hold still. Its muddy waters carve new channels through the floodplain, abandon old ones, and redraw the map with every rainy season. Along a stretch of this restless river between the towns of Pauini and Labrea, in the deep interior of Amazonas state, ninety-two communities have organized their lives around its rhythms. The Medio Purus Extractive Reserve protects 604,209 hectares of their homeland -- a territory larger than the country of Brunei, where 1,400 families harvest Brazil nuts, tap rubber trees, collect acai and copaiba oil, and fish the lakes and flooded forests that the river creates and reclaims in an endless cycle.
The reserve stretches along the Purus River from just below Pauini in the west to Labrea in the east, spanning parts of three municipalities: Labrea holds 91.41 percent of the land, Pauini 8.26 percent, and Tapaua a sliver of 0.33 percent. The Purus is a muddy-water river, heavy with sediment, and its habit of shifting its bed means that the landscape is never quite the same twice. Seasonally flooded varzea forest lines the riverbanks, giving way to dense alluvial rainforest and tropical lowland forest on higher ground. Brazil nut trees and two species of rubber tree -- Hevea brasiliensis and the lesser-known Hevea spruceana -- grow among the canopy. The reserve is largely surrounded by indigenous territories, and the Canutama Extractive Reserve lies downstream, creating a chain of protected lands along one of the Amazon's most sinuous rivers. To the south, the Iquiri National Forest completes the buffer.
The Medio Purus Extractive Reserve did not come from above. It came from a request. In 2001, the local extractive community association petitioned IBAMA, Brazil's environmental agency, for the legal right to occupy their traditional lands and to expel communities that were degrading the environment around them. Seven years of bureaucratic process followed before a federal decree on 8 May 2008 formally created the reserve. Administration fell to the Chico Mendes Institute for Biodiversity Conservation, the agency that carries the name of the rubber tapper martyred for defending the Amazon in 1988. INCRA, the agrarian reform agency, initially recognized 900 families living within the reserve; by the end of 2008, that count had been revised upward to 1,400. In April 2010, three former rubber concession properties -- Seringal Quichia, Seringal Parijos I, and Seringal Parijos II -- were formally incorporated into the reserve, adding 23,102 hectares.
The communities of the Medio Purus are riverine in the fullest sense. The Purus and its floodplain dictate the calendar: when the waters rise, fishing shifts to the flooded forests and oxbow lakes; when they recede, Brazil nut collection begins beneath towering castanheiras. Rubber tapping follows its own seasonal logic, with latex flowing best during drier months. Families also harvest copaiba and andiroba oils -- both prized for medicinal and cosmetic properties -- along with acai, urucuri, and bacaba fruits. The economic diversity is real but modest. These are not cash-crop operations. They are livelihoods built around what the forest offers in each season, calibrated to sustainability not by ideology but by necessity. The reserve's IUCN Category VI designation -- protected area with sustainable use of natural resources -- merely formalized what these communities had been practicing for generations.
In January 2012, a federal ordinance established a joint planning process for eleven conservation units in the area of influence of the BR-319 highway, the road connecting Manaus to Porto Velho. The Medio Purus Extractive Reserve was among them, alongside the Ituxi Extractive Reserve, Mapinguari National Park, and eight other protected areas. The BR-319 is both a lifeline and a threat. In its current state, large stretches are impassable during the rainy season. But proposals to pave and upgrade the road have raised alarm among conservationists, who point to the BR-364 in neighboring Rondonia as a cautionary precedent: that road's improvement in the 1980s triggered explosive deforestation. The usage plan for the Medio Purus reserve was approved on 8 November 2012, setting rules for resource extraction and land use. Whether those rules can withstand the pressures that a fully functional highway would bring remains the defining question for the communities along this stretch of the Purus.
Located at 7.45S, 65.91W along the Purus River in western Amazonas state. The reserve's 604,209 hectares are visible as continuous forest flanking the sinuous, muddy-brown Purus River, which meanders dramatically through the landscape. The towns of Labrea and Pauini mark the reserve's eastern and western boundaries. Nearest airport is Labrea (SWLB). At cruising altitude, the winding Purus River and its oxbow lakes create a distinctive pattern against the surrounding green canopy. Indigenous territories border much of the reserve.