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  Parques e reservas: uma análise da política brasileira de unidades de conservação

  Milano, Miguel Serediuk (Centro de Pesquisas Florestais, 1985)

  The objective of this paper is to present an analysis of the brazilian system of conservation units, based on published official data. A brief history of the creation of brazilian national parks and other conservation units ...
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  Alguns aspectos técnicos e econômicos da poda florestal nos Estados Unidos

  Firkowski, Carlos (Centro de Pesquisas Florestais, 1985)

  The pruning of trees as a practice to produce knot-free wood is the focus of this essay, which is supported by evidence from research studies in forests of the United State. Technical, biological, phytosanitary, and economic ...
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  Avaliação e análise do sistema estadual de unidades de conservação do Paraná

  Milano, Miguel Serediuk; Roderjan, Carlos Vellozo; Mendonça, Rubens Willians de (Centro de Pesquisas Florestais, 1985)

  The objective of this paper is to analyse the general situation of the Parana state parks and other conservation units under the responsability of “Instituto de Terras e Cartografia” (ITC). The analysis was carried out ...
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  Cobertura florestal na pequena propriedade rural: uma alternativa para o desenvolvimento

  Angelo, Humberto (Centro de Pesquisas Florestais, 1985)

  The importance of forest cover on small farms is discussed. This work comments the socio-economic characteristics of the small farmers and the direct and indirect benefits for the small farma with forest cover.
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  Melanolophia apicalis (Lep.: Geometridae) e sua adaptação em Pinus patula

  Martins, Air José; Pedrosa-Macedo, José Henrique; Santos, Honório Roberto; Cordeiro, Luiz (Centro de Pesquisas Florestais, 1985)

  An outbreak of Melanoloplua. apicalis (Warren, 1900) was observed in stands of Pinus patula Schl. & Cham. in Telêmaco Borba country, Paraná state, Brazil. A climogmm was construted with the objective of evaluating the ...
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  Avaliação da densidade, viabilidade e do parasitismo em pupas de Adeloneivaia subangulata (Herrich-Schaffer, 1855) Travassos, 1940 (Lep., Attacidae)

  Bressan, Delmar Antonio; Santos, Honório Roberto dos (Centro de Pesquisas Florestais, 1985)

  The presence of Adeloneivaia subangulata (Len, Attacidae) in stands of black wattle's (Acacia mearnsii de Wild.) in the state aff Rio Grande do Sul, Brazil, was recently detected. The objective of this paper is to estimate ...
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  Contribuição para caracterização anatômica e química das madeiras de Pterodon pubescens Benth e Vocchysia thyrsoidea. Pohl

  Gonçalez, Joaquim Carlos; Bezerra, Marcia H. D.; Lima, Mirthes Freitas (Centro de Pesquisas Florestais, 1985)

  The anatomical, chemical and general characterization of Pterodon pubescens and Vochysia thysoidea wood, are the purposes of this study. The P. pubescens wood had a small presence of axial parenchyma, a large presence of ...
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  Comportamento da bracatinga (Mimosa scabrella Benth) sob cinco níveis de fósforo – Informe preliminar

  Candoso, Denise Jeton; Durigan, Maria Eliane; Sanquetta, Carlos Roberto; Reissmann, Carlos Bruno (Centro de Pesquisas Florestais, 1985)

  The effects of five levels of phosphorus - 3,5 ppm (T1); 7,5 ppm (T2); 15 ppm (T3); 30 ppm (T4) and 46 ppm (T5) - in the growth of “bracatinga” (Mimosa, scabrella Benth.) seedlings was tested. The seedlings were grown iru ...
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  Função da floresta na manutenção da qualidade da água para uso humano

  Rizzi, Nivaldo Eduardo (Centro de Pesquisas Florestais, 1985)

  The surface water of reservoirs undergoes a puritying process know as conventional water treatment aimed at making in potable. This proces requires the addition of certain chemicals, such as: aluminium suiphate, hidrated ...

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