Disrupting a socio-ecological system: could traditional ecological knowledge be the key to preserving the Araucaria Forest in Brazil under climate change?

Mario M. Tagliari (), Juliano A. Bogoni, Graziela D. Blanco, Aline P. Cruz and Nivaldo Peroni
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Mario M. Tagliari: Faculdade Municipal de Educação E Meio Ambiente
Juliano A. Bogoni: Universidade Federal de Santa Catarina
Graziela D. Blanco: Universidade Federal de Santa Catarina
Aline P. Cruz: Universidade Federal de Santa Catarina
Nivaldo Peroni: Universidade Federal de Santa Catarina

Climatic Change, 2023, vol. 176, issue 2, No 1, 20 pages

Abstract: Abstract Socio-ecological systems (SESs) hinge on human groups and ecosystems, promoting interdependence and resilience to environmental disturbances. Climate change effects propagate from organism to biomes, likely influencing SES. In southern and relict patches in southeastern Brazil, Araucaria Forest is a typical SES due to the historical interaction between humans and biodiversity. We thus aimed to evaluate empirically and theoretically how climate change could disrupt this system by interviewing 97 smallholders and assessing their traditional ecological knowledge (TEK). We evaluated and measured the following: (i) socioeconomic impact of araucaria’s nut-like seed (pinhão) trade; (ii) ethnoecological knowledge about climate change; and (iii) generated an ecosystem services network. We projected these empiric data with a projected loss of 50–70% of the Araucaria Forest due to climate change to quantify the risks of the potential disruption of this socioecological system. We found evidence that to avoid the disruption of the Araucaria Forests is paramount to value TEK holders, safeguard the historical socioecological interaction, and promote non-mutually exclusive measures in an integrative response to maintain the Araucaria Forests resilient to future disturbances.

Keywords: Araucaria Forest system; Climate change; Ecosystem services network; Ethnoecology; Mixed ombrophilous forest; Pinhão management (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10584-022-03477-x

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