Grassland Management
Mostrando 1-12 de 38 artigos, teses e dissertações.
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1. Conservation of species-rich subtropical grasslands: traditional management vs. legal conservation requirements in primary and secondary grasslands
ABSTRACT Land-use change is the main cause of biodiversity losses, and for grasslands includes changes in management. The last 10 years has seen afforestation of traditionally grazed grasslands increase considerably in the understudied Serra do Sudeste region of the Brazilian Pampa, turning the region into a mosaic of tree plantations, natural ecosystems (pa
Acta Bot. Bras.. Publicado em: 2020-06
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2. INFLUENCE OF SOIL TEXTURE, CLIMATE AND VEGETATION COVER ON SECONDARY SOIL SALINIZATION IN PAMPAS PLAINS, SOUTH AMERICA
ABSTRACT Land-use change from herbaceous to woody cover -or vice versa- largely affects water fluxes, which in turn can mobilize existing salts dissolved in the soil, and thereby negatively affect soil and/or water quality and site productivity. Secondary salinization was observed after afforestation at the Northern and Eastern subregions of the Río de la P
CERNE. Publicado em: 2020-06
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3. FOUR DECADES OF HYDROLOGICAL PROCESS SIMULATION OF THE ITACAIÚNAS RIVER WATERSHED, SOUTHEAST AMAZON
Abstract The impacts of anthropogenic degradation are becoming increasingly more evident in the Amazon and are jeopardizing its environmental systems and water resources, particularly in low monitored watersheds. Thus, the use of hydrological models is necessary to gain an understanding of these impacts on Amazonian river systems. The aim of this study was t
Bol. Ciênc. Geod.. Publicado em: 14/10/2019
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4. Multivariate analysis in the evaluation of soil attributes in areas under different uses in the region of Humaitá, AM
Resumo O reconhecimento da influência das práticas de manejo nas condições físicas e químicas do solo é substancial para a agricultura sustentável. Por essa razão, o estudo foi desenvolvido com o objetivo de avaliar o comportamento de atributos do solo sob diferentes usos na região de Humaitá, AM, utilizando métodos estatísticos multivariados. O
Rev. Ambient. Água. Publicado em: 03/10/2019
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5. Long-Term Effect of Soil Use and Management on Organic Carbon and Aggregate Stability
ABSTRACT: The conversion of native grassland into farmland causes changes in the soil. Tillage has profound effects on soil organic matter. The intensification of soil tillage decreases soil quality by reducing aggregate stability. Soil aggregate stability and soil organic matter are key indicators for soil quality and environmental sustainability in agro-ec
Rev. Bras. Ciênc. Solo. Publicado em: 13/09/2018
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6. Visual Evaluation of the Soil Structure under Different Management Systems in Lowlands in Southern Brazil
ABSTRACT The “Visual Evaluation of Soil Structure” (VESS) is a method used primarily to evaluate the soil structural quality of Oxisols in Brazil and secondly for more specific research, consultancy, and teaching purposes. Since the methodology was never applied and compared with laboratory evaluations of physical properties of hydromorphic soils of the
Rev. Bras. Ciênc. Solo. Publicado em: 03/05/2018
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7. Bee assemblage in habitats associated with Brassica napus L.
ABSTRACTAssessments in agricultural crops indicate that alterations in the landscape adjacent to the crops can result in reduced productivity due to loss or low abundance of pollinating agents. In the canola crop, production is partially dependent on insect pollination. Therefore, knowledge of the faunal diversity within and near crop fields is key for the m
Rev. Bras. entomol.. Publicado em: 2015-09
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8. ALTERNATIVAS DE MANEJO DE PASTAGEM NATURAL SUBMETIDA A PASTOREIO ROTATIVO / MANAGEMENT ALTERNATIVES IN NATURAL GRASSLAND SUBMITTED TO ROTATIONAL GRAZING
Este trabalho teve por objetivo avaliar alternativas de manejo de pastagem natural. Foi avaliada a dinâmica da vegetação por um período de seis anos de uma pastagem natural, submetida ao longo de 16 anos a tratamentos de fogo e pastejo. Além disso, foram avaliadas a produção e o comportamento de novilhas de corte dos 12 aos 18 meses de idade, mantidas
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/02/2012
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9. Prevention of natural grassland invasion by Eragrostis plana Nees using ecological management practices
The objective of this research was to evaluate the effects of different types of disturbance on the ability of the natural grassland to avoid the invasion of Eragrostis plana Nees (South African lovegrass). The experiment was carried out in Dom Pedrito, Rio Grande do Sul, Brazil, in an area free of South African lovegrass, from Feb. 2004 to Apr. 2007. The tr
R. Bras. Zootec.. Publicado em: 2012-08
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10. Species of Drosophila (Diptera: Drosophilidae) attracted to dung and carrion baited pitfall traps in the Uruguayan Eastern Serranías
This study investigates the species richness and abundance of Drosophila Fallén, 1823 attracted to dung and carrion baited pitfall traps in natural areas with heterogeneous habitats at the Sierra de Minas, Eastern Serranías, southeastern Uruguay. Collecting was carried out on a monthly basis (May 2002 through April 2003). Drosophilids accounted for 0.84% (
Zoologia (Curitiba). Publicado em: 2012-08
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11. ALTERAÇÕES FÍSICAS E QUÍMICAS DE UM CAMBISSOLO HÚMICO EM POVOAMENTOS DE Pinus taeda L. COM DIFERENTES ROTAÇÕES / PHYSICAL AND CHEMICAL CHANGES OF A Haplumbrept IN STANDS OF Pinus taeda L. WITH DIFFERENT ROTATIONS
Starting from the assumption that changes in land use can provide changes in physical and chemical properties, influencing its quality, the study aimed to verify whether the introduction of Pinus taeda L., on soil under native grassland conditions, can degrade physical and chemical quality of Haplumbrept soil in different rotations. The study was conducted i
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/03/2011
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12. Compositional changes in the hydrophobic acids fraction of drainage water from different land management practices.
2010
Water Research. Publicado em: 2011