In rural communities living near Brazil’s Juruá River, a tributary of the Amazon River that flows northward through the country, families of fishers take turns in guarding the entrances of oxbow lakes. The most sinuous river in the Amazon Basin, the Juruá, meanders through low-lying floodplains, creating numerous stagnant water bodies. From small wooden watchtowers built on the water, the community members watch for poachers who seek to illegally harvest pirarucu (Arapaima gigas), the largest freshwater fish species in the Amazon and a staple species for communities’ food security. A study published in Nature Sustainability found that these community-based conservation efforts benefit not only pirarucu and oxbow lakes, but also connect floodplain and upland ecosystems. By limiting access to outsiders, confiscating poaching equipment and reporting illegal activity to government agencies, community members effectively protect natural resources and their own livelihoods. However, this work comes at a substantial cost, researchers found. While on patrol, guards cover the expenses of surveillance, spend days away from their jobs and risk dangerous encounters with poachers, all without pay. A broader conservation footprint Community-based conservation is a strategy that places local communities at the center of managing and protecting natural resources, rather than excluding them. While it involves collaboration among community members, researchers and government agencies, its success comes from local knowledge and community-driven collective action. Conservation goals prioritize the protection of both biodiversity and local livelihoods. To understand the scope of protections provided by the co-management of pirarucu in the Brazilian Amazon, the researchers…This article was originally published on Mongabay

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