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Climate change in a floodplain of the Brazilian Amazon : scientific observation and local knowledge

Résumé : In the Lago Grande de Curuai, a floodplain of the Amazon River, located close to the city of Santarem (Brazil), the inhabitants have always adapted their activities (centered on agriculture, fishing, cattle raising) to the seasonal fluctuations of the water level. Historically, strong floods occurred about every 20 years, but recently, they have occurred more frequently, every 2 or 3 years, reaching water levels previously unrecorded. In recent years, dry seasons have also been drier. Scientists mainly attribute these changes to global climate change, which can be observed and measured at the scale of the Amazon basin. This chapter compares the scientific data with the observations, knowledge, and interpretations of the inhabitants of the Lago Grande. Local people do not connect directly floods, drought, and climate change, because at the scale of the floodplain the water level is little impacted by local rainfall. Environmental change cannot be dissociated from social, economic, and political changes. It is generating uncertainty, but floodplain dwellers are more able to adapt to it than other societies.
Mots-clés : BRESIL
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https://hal.archives-ouvertes.fr/hal-02613684
Contributor : Ird Horizon <>
Submitted on : Wednesday, May 20, 2020 - 11:56:47 AM
Last modification on : Thursday, June 11, 2020 - 3:53:45 AM

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Esther Katz, A. Lammel, Marie-Paule Bonnet. Climate change in a floodplain of the Brazilian Amazon : scientific observation and local knowledge. Welch-Devine, M. (ed.); Sourdril, A. (ed.); Burke, B.J. (ed.). Changing climate, changing worlds : local knowledge and the challenges of social and ecological change, Springer, p. 123-144, 2020, Ethnobiology, 978-3-03-037311-5. ⟨10.1007/978-3-030-37312-2_7⟩. ⟨hal-02613684⟩

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