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Nascentes sao ecossistemas de grande importância economica, social, cultural e ecologica. Apesar de legalmente protegidas, muitas nascentes tem sido degradadas ou desaparecem em decorrencia do seu mau uso e pelo crescimento e expansao urbana mal planejados. Neste trabalho utilizamos um protocolo de avaliacao rapida (PAR) para avaliar a qualidade ambiental de 71 nascentes, inseridas ou nao, em Unidades de Conservacao (UCs) em oito localidades no estado de Minas Gerais, Brasil. Nascentes localizadas em UCs foram mais bem pontuadas e classificadas como otimas ou boas, com excecao de uma UC urbana, onde suas nascentes apresentaram classificacao razoavel. Nascentes nao inseridas em UCs enquadraram-se nas categorias razoavel e ruim. Os resultados mostram a importância das UCs na preservacao das nascentes, mas tambem sua vulnerabilidade quando localizadas em ambientes urbanos. A retirada da vegetacao ao redor, falta de protecao e livre acesso foram os principais problemas observados durante o estudo, principalmente nas nascentes localizadas em areas nao abrangidas por UCs. Os Protocolos de Avaliacao Rapida tem se mostrado uteis no monitoramento de ambientes aquaticos e e uma ferramenta auxiliar importante nas tomadas de decisao sobre areas prioritarias para conservacao e medidas de recuperacao de habitats. ENVIROMENTAL QUALITY OF WATER SPRINGS INSIDE AND OUTSIDE CONSERVATION UNITS IN SOUTHEAST BRAZIL: Water springs are ecosystems of great economic, social, cultural and ecological importance. Although legally protected, many springs have been degraded or have disappeared due to its misuse and to badly planned urban growth and expansion. In this study we have applied a rapid assessment protocol (PAR) to evaluate the environmental quality of 71 water springs, located within Conservation Units (UCs) or not, in eight localities in the state of Minas Gerais, Brazil. Springs located in UCs were better scored and classified as great or good, with the exception of one urban UC, where its springs presented a moderate classification. Springs outside of UCs fit into the moderate and bad categories. Results show the importance of UCs in the preservation of springs, but also their vulnerability when located in urban sites. Removal of surrounding vegetation, lack of protection and open access were the main problems observed during the study, especially in springs located in areas not encompassed by UCs. Rapid Assessment Protocols have shown to be useful in the monitoring of aquatic environments and are important auxiliary tools when making decisions about prioritizing areas for conservation and habitat recovery measures.

A QUALIDADE AMBIENTAL DE NASCENTES DENTRO E FORA DE UNIDADES DE CONSERVAÇÃO NO SUDESTE DO BRASIL