Protected Areas
Mostrando 25-36 de 404 artigos, teses e dissertações.
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25. Deforestation Dynamics in the Nova Bonal Sustainable Development Project, Acre, Brazil
ABSTRACT This study assessed the dynamics of the land use and cover changes, deforestation trends and the current status of the Legal Forest Reserves (LFR) and Permanent Protected areas (PPA) in the Nova Bonal Sustainable Development Project (SDP) between 1997-2014. Deforestation datasets and fieldwork were used in this analysis. Our results indicate that th
Floresta Ambient.. Publicado em: 12/09/2019
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26. SEMIAUTOMATIC IRRIGATION MANAGEMENT IN TOMATO
ABSTRACT The use of new technologies to meet the demands of the agricultural market is increasing; however, technical information on application is scarce for some areas of knowledge, including irrigation management. The objective of this study is to evaluate an automatic irrigation system with capacitance sensors connected to a local wireless network for th
Eng. Agríc.. Publicado em: 09/09/2019
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27. Subsidies for propagation of native species in Brazil with medicinal potential: Calophyllum brasiliense Cambess
Resumo: Calophyllum brasiliense Cambess. (guanandi) é uma espécie nativa com potencial medicinal e também com expectativa para exploração comercial (madeira) e recuperação de áreas degradadas. As sementes apresentam dormência física e mecânica, exigindo técnicas para superação, e necessitam de conhecimento da morfologia de sementes e plântulas
J. Seed Sci.. Publicado em: 09/09/2019
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28. Ichthyofauna from floodplain lakes of Reserva de Desenvolvimento Sustentável Piagaçu-Purus (RDS-PP), lower rio Purus
Resumo: A ictiofauna do rio Purus tem sido pouco investigada, especialmente em seu curso inferior, caracterizada pela diversidade de ambientes aquáticos, especialmente em áreas de inundação. Inventariamos a ictiofauna dos lagos de várzea com diferentes tipos de manejo na Reserva de Desenvolvimento Sustentável Piagaçu-Purus (RDS-PP), que representa imp
Biota Neotrop.. Publicado em: 15/08/2019
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29. Impactos da mudança de vegetação local no aporte de matéria orgânica para um estuário tropical preservado (Estuário do Rio Itapicuru – BA)
Estuaries are major areas of organic matter (OM) deposition, playing an important role in the global carbon cycle. The Itapicuru's river estuary (IRE) is in the North Coast of Bahia (Brazil), in na Environmental Protected Area. Although it presents preserved conditions, some environmental changes caused by human activities can be observed. This study evaluat
Quím. Nova. Publicado em: 15/08/2019
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30. Spatial-temporal variation in litterfall in seasonally dry tropical forests in Northeastern Brazil
Resumo A produção de serapilheira é essencial para a ciclagem de nutrientes em ecossistemas terrestres. De Novembro de 2009 a Outubro de 2011, foi analisada a produção de serapilheira em duas áreas de Caatinga, um tipo de Floresta Tropical sazonalmente Seca localizada no Cariri Paraibano, na região do semiárido da Paraíba, Nordeste do Brasil. Uma da
Braz. J. Biol.. Publicado em: 05/08/2019
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31. Infracommunities of bat flies (Diptera: Streblidae and Nycteribiidae) of bats (Mammalia: Chiroptera) in three conservation units in the State of Amapá, Brazil
Resumo: Dípteros pertencentes as famílias Nycteribiidae e Streblidae são ectoparasitos hematófagos, sendo exclusivamente de morcegos. O estado do Amapá localiza-se na região Norte do Brasil e representa um dos estados com as menores taxas de desmatamento do país, com aproximadamente 80% do território preservado. Dentro do Estado, existem as unidades
Biota Neotrop.. Publicado em: 29/07/2019
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32. The use of firewood in protected forests: collection practices and analysis of legal restrictions to extractivism
ABSTRACT Restrictions to the collection of timber resources in protected areas have been scarcely studied. The aim of this study was to describe the practices of firewood collection in a protected forest and the perceptions of collectors, particularly with regard to their adjustment to the rules of the local management plan. The study involved 102 participan
Acta Bot. Bras.. Publicado em: 19/06/2019
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33. The use of firewood in protected forests: collection practices and analysis of legal restrictions to extractivism
ABSTRACT Restrictions to the collection of timber resources in protected areas have been scarcely studied. The aim of this study was to describe the practices of firewood collection in a protected forest and the perceptions of collectors, particularly with regard to their adjustment to the rules of the local management plan. The study involved 102 participan
Acta Bot. Bras.. Publicado em: 19/06/2019
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34. Flora do Ceará, Brasil: Solanum (Solanaceae)
Resumo Neste trabalho é apresentado o levantamento dos representantes de Solanum (Solanaceae) como parte do projeto “Flora do Ceará”. Estudos morfológicos, coletas e observações de campo foram realizados. As identificações foram baseadas em bibliografia especializada, complementada pela análise de coleções de herbários nacionais e internaciona
Rodriguésia. Publicado em: 19/06/2019
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35. Perception and use of non-native and invasive flora from Sierras de Córdoba in central Argentina
ABSTRACT The perception, knowledge and use of non-native and invasive flora by social actors associated with protected areas in central Argentina were analyzed. Contemporary ethnoecology methods were followed. A total of 108 non-native species of botanical interest was documented. An organization of species is proposed according to their Relative Importance,
Acta Bot. Bras.. Publicado em: 19/06/2019
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36. Perception and use of non-native and invasive flora from Sierras de Córdoba in central Argentina
ABSTRACT The perception, knowledge and use of non-native and invasive flora by social actors associated with protected areas in central Argentina were analyzed. Contemporary ethnoecology methods were followed. A total of 108 non-native species of botanical interest was documented. An organization of species is proposed according to their Relative Importance,
Acta Bot. Bras.. Publicado em: 19/06/2019