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Master's Dissertation
DOI
10.11606/D.100.2013.tde-28072014-153859
Document
Author
Full name
Raoni Venturieri de Andrade Lima
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2013
Supervisor
Committee
Adams, Cristina (President)
Campos, Paulo Roberto de Araújo
Futemma, Célia Regina Tomiko
Title in Portuguese
Modelagem baseada em agentes para avaliar a sustentabilidade da exploração do palmito jussara por comunidades quilombolas do Vale do Ribeira, São Paulo
Keywords in Portuguese
Euterpe edulis
Modelagem baseada em agentes
Quilombola
Recursos comuns
Sistemas sócio-ecológicos
Abstract in Portuguese
O presente trabalho buscou reproduzir, a partir de simulação computacional utilizando modelagem baseada em agentes, a dinâmica do sistema sócio-ecológico que conecta comunidades quilombolas do Vale do Ribeira, São Paulo, ao palmito jussara (Euterpe edulis Martius), espécie considerada ameaçada de extinção e cuja exploração, atualmente, pode ser descrita como uma Tragédia dos Comuns. Com base na teoria acumulada de recursos comuns, em dados empíricos do sistema social quilombola e na dinâmica populacional do palmito, simulamos o impacto de duas políticas públicas distintas de gestão do recurso: a primeira é a proibição estatal de exploração do mesmo, que criminaliza os palmiteiros e não está surtindo os efeitos desejados de preservação; a segunda, projeta um cenário hipotético no qual o Estado flexibiliza as regras de exploração e permite que a comunidade gerencie o recurso. Ao comparar o estoque final de palmito jussara para diversos cenários, concluimos que existe um grande potencial para que a gestão comunitária do recurso traga benefícios econômicos às famílias quilombolas, ao mesmo tempo em que contribui para a preservação do mesmo na natureza.
Title in English
Agent-based modeling as a tool to evaluate the sustainability of Palmito Jussara extraction by traditional communities in Ribeira Valey, São Paulo
Keywords in English
Agent-based modeling
Common-pool resources
Euterpe edulis
Quilombola
Social-ecological systems
Abstract in English
This study intended to use agent-based modeling to reproduce the dynamics of the social-ecological system that connects the quilombola communities that live in the Ribeira Valley, São Paulo, to the palm tree Euterpe edulis Martius, an endangered species highly valued for its heart of palm, which has being heavily harvested and can be considered an example of a Tragedy of the Commons. Based on the theory on common-pool resources, empirical data regarding the quilombola social system and on the palm tree population dynamics, we simulate the impact of two different public policies towards the palm tree conservation: the first scenario is the current total-prohibition of extraction policy, which marginalize harvesters and is not working prom an environmental perspective; the second scenario simulates a hypothetical situation in which allows the community to explore and manage the resource. After comparing the final stock of Euterpe edulis for many conditions, we may conclude that there is a great possibility that community-level management is more able to bring economic benefits to the quilombola families, while also help to preserve the species.
 
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Publishing Date
2014-11-12
 
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