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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Watershed services of smallholder agriculture in the Eastern Amazon.
Autores:  FIGUEIREDO, R. de O.
BORNER, J.
DAVIDSON, E. A.
Data:  2013-03-14
Ano:  2012
Palavras-chave:  Eastern Amazon
Smallholder agriculture
Watershed services
Stream water quality
Hydrobiogeochemical
Payments for ecosystem services.
Good agricultural practices
Watershed management.
Resumo:  Abstract: Several hydrobiogeochemical research activities have been conducted in the Eastern Amazon, contributing to the understanding of how changes in forests and agro-ecosystems affect ecosystem service provision. Findings have demonstrate that good agricultural practices and the presence of natural secondary vegetation favored by smallholder farm management are important factors for hydrobiogeochemical cycling, aquatic ecosystem conservation, soil conservation, and mitigation of trace emissions from biomass burning in Amazonian small catchments. Two challenges for watershed service management arise in this context. First, low population densities and the relatively flat landscape mean that a critical mass of downstream beneficiaries of such services - a prerequisite for public intervention - is more difficult to identify than in more densely populated mountainous areas. Second, although watershed service providers (farmers) are also to considerable extent service beneficiaries, conflicts over land and cultural heterogeneities among settlers inhibit local collective action to safeguard stream water quality. Including smallholders in carbon payment schemes that and other alternatives to slash-and-burn agriculture by compensating farmers for additional watershed services, including forest conservation. The development of payments for watershed services schemes currently hinges on a better understanding of the biophysical determinants of hydrological service provision, especially in the Amazon region.
Tipo:  Parte de livro
Idioma:  Inglês
Identificador:  In: ECOLOGICAL ECONOMICS AND RIO+20: CHALLENGES AND CONTRIBUTIONS FOR A GREEN EONOMY - ISEE CONFERENCE, 2012, Rio de Janeiro. Proceedings... Rio de Janeiro: International Society for Ecological Economics (ISEE), Brazilian Society for Ecological Economics (ECOECO), 2012.

http://www.alice.cnptia.embrapa.br/alice/handle/doc/953081
Formato:  21 p.
Direitos:  openAccess
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