Fragile Ecosystems
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Characteristics of Soils in Highland Wetlands as a Subsidy to Identifying and Setting their Limits
ABSTRACT Palustrine areas and wetlands in particular are fragile ecosystems, with high biodiversity and high ecological productivity, and they provide benefits to society. The aim of this study was to describe and classify the main soils occurring in the wetlands of the Southern Plateau of Santa Catarina, and propose criteria for identification of hydromorph
Rev. Bras. Ciênc. Solo. Publicado em: 27/03/2017
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2. Evaluation of the restoration dynamics of Atlantic Forest disturbed ecosystems in a region of rare environmental attributes, Nova Iguaçu - RJ. / Avaliação da dinâmica de restauração de ecossistemas perturbados da Mata Atlântica em uma região de exíguos atributos ambientais, Nova Iguaçu - RJ
Em um encrave da Mata Atlântica com condições ambientais adversas, fortemente submetido a intenso uso dos solos no século XIX e, ausência de medidas conservacionistas até 1995, deram origem a paisagens com distintos níveis de degradação, onde os processos perduram até a presente data, trazendo sérios prejuízos a sociedade. Os desafios metodológi
Publicado em: 2009
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3. Vegetação dunar: caracterização estrutural de dunas do município de Natal-RN como subsídio para implantação de técnicas de reflorestamernto, recuperação e conservação do ecossistema
The Brazilian coast has a wide variety of complex environments and ecosystems along the coast, about 80% are represented by sandbanks and dunes. The coastal ecosystems were the first to suffer the impacts man and places, as the very fragile ecosystems, are somehow altered. Are few areas of restinga well as natural features, very few protected in conservation
Publicado em: 2009
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4. Proteção ambiental e direito à cidade no processo de expansão urbana no Distrito Federal: até que ponto existe um conflito?
The thesis investigates the existence of a conflict between environment protection and right to the city in the urban expansion process of the Brazilian Federal District towards an environmentally protected area, the São Bartolomeu River Watershed. It analyses the social impacts of zoning ordinances incorporation of the environmental protection goal. This r
Publicado em: 2009
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5. PREPARO DO SOLO E CRESCIMENTO DE Eucalyptus grandis Hill ex Maiden. EM ARGISSOLO / SOIL TILLAGE AND INITIAL GROWTH TO Eucalyptus grandis Hill ex Maiden. IN HAPLUDALF SOIL
The Eucalyptus plantation is growing fast in south Brazil due its easy clime adaptation and diverse use of its wood. The ecosystems where the expansion is going on are fragile to anthropic action implying in a need of careful planning to set forest projects. One of important steps is the soil tillage used to implant forests which may have as main concern cre
Publicado em: 2008
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6. Transformação da paisagem costeira: considerações sobre a conservação do município de São Sebastião-SP / Processing and conservation of the coastal landscape: considerations about the city of São Sebastião-SP
São Sebastião is a seaside town in Estate of São Paulo, Brazil. This work investigates process which led to territory transformations and development of the impacts we can see nowadays, analyzing issues related to the coastal zone, the landscape and the environmental conservation. Three main development vectors are studied to explain the landscape structu
Publicado em: 2007
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7. A utilizaÃÃo da microalga skeletonema costatum (greville) cleve (bacillariophyceae) na avaliaÃÃo da qualidade ambiental de Ãreas estuarinas de Pernambuco
Coastal environments are characterized by the high complexity and biological diversity, where the variety overcomes others ecosystems. The estuaries represent one of the most productive ecosystems of the world, due to the great contribution of inorganic dissolved nutritients, coming from the continent. It has been changing in the last years, as a result of a
Publicado em: 2007
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8. Comunidade de CrustÃceos DecÃpodos InfralitorÃneos dos Recifes da Praia de Porto de Galinhas (PE)
Northeastern Brazilian coral reefs, as found in Porto de Galinhas beach â PE, are known as areas of complex and diverse biological interactions and high biological productivity (primary productivity). In addition, they represent a reproductive zone, and serve as nursery, shelter and alimentation source for a major part of the marine fauna. Porto de Galinhas
Publicado em: 2007
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9. A atividade turística e o perfil do profissional no município de Bonito/MS com alternativas para o desenvolvimento local
To present research has like object of study the tourism in Bonito - MS and has for purpose study the tourism, analyzing, simultaneously, the tourist activity in the town and who is the professional that work with the phenomenon in the locality, justified by the growth of the activity in the locality, resulting of its natural potential and diversity of ecosy
Publicado em: 2006
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10. Indicadores de qualidade estrutural e trafegabilidade de latossolos e argissolos vermelhos. / Indicators of structural quality and trafficability of hapludox and hapludalf.
The soil, besides being one of the basic resources of the natural and agricultural ecosystems, has been considered a finite, fragile and no renewable resource. For this reason the maintenance of its quality has been acquiring great relevance in the last decades. Several soil physical quality indicators have been used with the intention of developing guides o
Publicado em: 2002