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Mostrando 25-36 de 59 artigos, teses e dissertações.
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25. Interações entre plantas e beija-flores numa comunidade de Floresta Atlantica Montana em Itatiaia, Rio de Janeiro
Studies of plant-pollinator interactions in vegetation communities can contribute to an understanding of evolutionary and ecological questions. This study sought to relate floristic composition, floral features, resource availability and hummingbird visitation in an ornithophilous assemblage in southeastern Brazil. During two years, data on life form, habita
Publicado em: 2006
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26. Floral resource for birds in an Atlantic montane raiforest site : seasonality and vertical distribution / Recurso floral para aves em uma comunidade de Mata Atlantica de encosta : sazonalidade e distribuição vertical
Hummingbirds are considered the most important vertebrate pollinators in the Neotropics. Other flowervisiting birds are often considered as parasites of the flower-hummingbird relationship, not presenting the high degree of specialization for nectarivory as hummingbirds. Although ornithophilous flowers are very showy, displaying colorful floral parts or stru
Publicado em: 2006
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27. Identification of the best ovitrap installation sites for gravid Aedes (Stegomyia) aegypti in residences in Mirassol, state of São Paulo, Brazil
This study aimed at identifying the best ovitrap installation sites for gravid Aedes aegypti in Mirassol, state of São Paulo, Brazil. Ovitraps were installed in ten houses per block over ten blocks. Four ovitraps were placed per residence, one in the bedroom, one in the living room, and two outdoors with one in a sheltered area and one in an outside site. E
Memórias do Instituto Oswaldo Cruz. Publicado em: 2005-07
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28. Áreas protegidas e turismo, estudo de caso: Parque Nacional do Pantanal Motogrossense/MT e seu entorno.
In Brazil, as in other parts of the world, the appeal of visiting protected areas has significantly grown in the last few years, especially in National Parks which require adequated planning and management action to deal with this increased pressure. This study analyses the types of tourism, and the role of the residents in the immediate surrounding area, wh
Publicado em: 2005
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29. Avaliação da diversidade genética de populações de fáfia (Pfaffia glomerata (Spreng.) Pedersen) por RAPD, caracteres morfológicos e teor de beta-ecdisona / Genetic diversity of pfaffia populations (Pfaffia glomerata (Spreng.) Pedersen) by RAPD, morphological characters and ß-ecdisone contents
Pfaffia (Pfaffia glomerata (Spreng.) Pedersen) is a native species of South America with widespread occurrence in the States of Paraná, Mato Grosso do Sul and Goiás. Its economic value is mainly due to the similarity of their phytochemical characteristics to the Korean-ginseng (Panax ginseng). Research institutions are carrying out continual germplasm coll
Publicado em: 2005
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30. Diagnosis of the forestry activity in Cotriguaçu municipal district, Mato Grosso State: perspectives and challenges of the forestry companies managers perception / Diagnóstico do setor florestal no município de Cotriguaçu, Mato Grosso: perspectivas e desafios na percepção dos dirigentes das empresas florestais
The main objective of present work was the characterization of the forestry activities in Cotriguaçu City, Mato Grosso State, identifying and evincing, under the forestry companies leaders views, the potentialities, barriers and challenges for the sustainable forestry development of the activity. For that, a wide quantitative and qualitative diagnosis of th
Publicado em: 2005
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31. Aspectos da mobilização social para a coleta seletiva de resíduos sólidos urbanos: o caso do município de Coronel Xavier Chaves MG
A solid wastes separation and composting plant, in the municipality of Coronel Xavier Chaves (MG), was the field laboratory for this research that had as its target the city householders. According to the local administration, in spite of previous campaigns for separate collection at the source that took place since the beginning of the plant operation, a de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/12/2004
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32. Comportamento alimentar de aves em Alchornea glandulosa (Euphorbiaceae) em Rio Claro, São Paulo
Fourteen bird species were observed visiting one specimen of Alchornea glandulosa Poepp., 1845, at the Horto Florestal Navarro de Andrade, Rio Claro, São Paulo State, Brazil. Among them, three species seem to be the most efficient seed dispersers of A. glandulosa at the study site: Myiodinastes maculatus (Müller, 1776), Empidonomus varius (Vieillot, 1818)
Iheringia. Série Zoologia. Publicado em: 27/11/2001
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33. Avaliação de impacto ambiental de projetos de mineração no Estado de São Paulo: a etapa de acompanhamento. / Environmental impact assessment of mining projects: the follow-up phase.
Since procedures of environmental impact assessment (EIA) were regulated in Brazil, in the mid eighties, numerous mining projects have been assessed, approved and granted environmental permits in the State of São Paulo, draining a great part of the scarce human and material resources available for reviewing environmental studies. Notwithstanding, there are
Publicado em: 2001
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34. Polinização por morcegos Glossophaginae versus Phyllostominae em floresta de terra firme na Amazonia Central
The aim of this study is to contrast attributes between plants pollinated by Glossophaginae and Phyllostominae bats in the "terra-fmne" Amazonian forest. The study was conducted in three habitats: "floresta de baixio" (BAl), "floresta de platô" (PLA) and "floresta de vertente" (VER). Thirty four individuaIs of bat-pollinated plants belonging to nine tree sp
Publicado em: 2000
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35. Avaliação do Conhecimento de segmentos sociais quanto a dengue e pediculose capitis e de uma intervenção educativa na prevenção da dengue
Nowadays the raising number of dengue epidemics through many countries around the world has compelled many experts to reevaluate the basic ways to control the main vector - Aedes aegypti. An education that aim community participation in eliminating breeding sites of the dengue vector has been defended as the best, unless the unique proposal that can result i
Publicado em: 1999
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36. Estudo comparativo de flores polinizadas por beija-flores em tres comunidades da Mata Atlantica no sudeste do Brasil
This study brings an analysis of information concerning the relationships between a group of ornitophilous flowers and hummingbirds, carried out at three rainforest sites in the state of São Paulo, the sites are Caraguatatuba, a coastallowland rainforest, and two highiand rainforests: Cunha and Campos do Jordão. The study has its main focus on floristic co
Publicado em: 1995