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Mostrando ítems 121-130 de 439
Assembleias de Ephemeroptera (Insecta) em riachos de cabeceirano bioma Cerrado
(Universidade Federal de Minas GeraisUFMG, 2014-01-31)
Different anthropogenic land uses have threaten biodiversity in rivers and streams, especially at tropical developing countries, due of their higher rates of changes of land uses. Sensitive organisms have been used for ...
Pressões antrópicas em múltiplas escalas espaciais na estruturação de comunidades bentônicas
(Universidade Federal de Minas GeraisBrasilICB - INSTITUTO DE CIÊNCIAS BIOLOGICASPrograma de Pós-Graduação em Ecologia, Conservacao e Manejo da Vida SilvestreUFMG, 2018-09-27)
Headwater streams in adequate ecological conditions harbor high biodiversity and provide multiple
ecological services to human well-being (e.g., water for human uses including water supply and
agriculture irrigation). ...
Validation of Cryogenic Vacuum Extraction of Pore Water from Volcanic Soils for Isotopic Analysis
(2019)
Andean headwater catchments are key components of the hydrological cycle, given that
they capture moisture, store water and release it for Chilean cities, industry, agriculture, and cities in Chile. However, knowledge ...
Complex land cover change, water and sediment yield in a degraded Andean environment
(2012-11-23)
Rapid land use/-cover change has increasingly transformed the hydrological functioning of tropical Andean ecosystems. The hydrological response to forest cover change strongly depends on the initial state of the ecosystem. ...
Complex land cover change, water and sediment yield in a degraded Andean environment
(2012)
Rapid land use/-cover change has increasingly transformed the hydrological functioning of tropical Andean ecosystems. The hydrological response to forest cover change strongly depends on the initial state of the ecosystem. ...
Avaliação da qualidade da água sob impacto das atividades de implantação de garimpo no município de São Martinho da Serra
(Universidade Federal de Santa MariaBREngenharia CivilUFSMPrograma de Pós-Graduação em Engenharia Civil, 2006-02-22)
This research was developed to evaluate the quality of waters under to the artisanal mining (garimpo) impact in a catchment, at the headwater of Ibicuí-Mirim River, in São Martinho da Serra - RS. The catchment area is 33.12 ...
Comportamento hidrossedimentológico de uma bacia hidrográfica rural utilizando técnicas de monitoramento e modelagem
(Universidade Federal de Santa MariaBRAgronomiaUFSMPrograma de Pós-Graduação em Ciência do Solo, 2012-02-29)
The aim of this study was to analyze the hydrological behavior of a watershed with intense agricultural activity based on rainfall, water discharge and suspended sediment concentration data. The study provides an analysis ...
Indicadores ambientais e a gestão de bacias hidrográficas de economia agrícola: diagnóstico e reflexões sobre o caso da bacia do rio Preto, noroeste de Minas Gerais
(Universidade Federal de Minas GeraisUFMG, 2012-06-29)
Among natural resources, water is characterized as an essential element for the existence of physical and social environment. With the technical and scientific development achieved in recent decades by the current society, ...
The role of streamside native forests on dissolved organic matter in forested and agricultural watersheds in northwestern Patagonia
(Forests, 2019)
Streamside native forests are known for their key role in water provision, commonly referred to as buffers that control the input or output of nutrients from terrestrial to aquatic ecosystems (i.e., nitrogen or carbon ...