Theme 1: Rangeland/Grassland Ecology--Oral Sessions

Description

Rangelands cover almost one third of the earth's surface and are characterized by a low productivity and high sociocultural value. But the lack of recognition of the environmental, social and economic values of rangelands, along with the expansion of agribusiness, tourism and urban sprawl give rise to a rangeland dilemma. This dilemma is found in various regions of the world, where this set of factors leads to the generally irreversible destruction of the rangeland. The process is recent in the Amazon rangeland, such as the eastern part of Marajó Island and the Low Amazon wetlands. A survey conducted on 90 small breeders intended to describe, explain and model the dynamics and resilience of family and community socio-ecosystems in the rangeland area of the island of Marajó. The main result is the adaptation and resilience of small-breeders facing global change, especially the use of mobile phone and internet applied to marketing of local products. The major constraint seems to be the lack of coherent policies, both for local population livings and the maintenance of rangeland environmental services.

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Rangeland in Marajó Island, Brazilian Amazon, a Long History of Commons for Small-Breeders

Rangelands cover almost one third of the earth's surface and are characterized by a low productivity and high sociocultural value. But the lack of recognition of the environmental, social and economic values of rangelands, along with the expansion of agribusiness, tourism and urban sprawl give rise to a rangeland dilemma. This dilemma is found in various regions of the world, where this set of factors leads to the generally irreversible destruction of the rangeland. The process is recent in the Amazon rangeland, such as the eastern part of Marajó Island and the Low Amazon wetlands. A survey conducted on 90 small breeders intended to describe, explain and model the dynamics and resilience of family and community socio-ecosystems in the rangeland area of the island of Marajó. The main result is the adaptation and resilience of small-breeders facing global change, especially the use of mobile phone and internet applied to marketing of local products. The major constraint seems to be the lack of coherent policies, both for local population livings and the maintenance of rangeland environmental services.