Results 91 to 100 of about 42,385 (222)
Revista Águas Subterrâneas, 2019 O Nordeste Paraense é a região do Norte brasileiro que se encontra mais suscetível à contaminação por agrotóxicos e nutrientes devido aos avanços de diversas monoculturas, com destaque para os plantios de soja e cítricos. A captação de água subterrânea, quando realizada por técnicas inadequadas de construção de poços, por exemplo, fragilizam o solo e ...
FELIPE OHADE LOPES BRANCO +1 more
openaire +2 more sources
Análises preliminares da influência do uso da terra na qualidade da água na sub-bacia do rio Siriri/SE. [PDF]
, 2016 A bacia do rio Japaratuba no estado de Sergipe tem apresentado nos últimos anos um processo de alteração de usos da terra muito intenso, principalmente na sub-bacia de um dos seus principais afluentes, o rio Siriri, onde se observa uma transição abrupta ...
AMORIM, J. R. A. de +4 more
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The negative influences of the new brazilian forest code on the conservation of riparian forests [PDF]
, 2017 More than one million hectares of riparian forests were degraded or altered in Mato Grosso State (Brazil) up to 2009. The aim of the research is to set a comparative scenario to show differences in the quantification of environmental ...
Angeoletto, Fabio +6 more
core +2 more sources
GIS‐Based Aquaculture Spatial Suitability in Western Amazonian Hydroelectric Reservoirs
Lakes &Reservoirs: Science, Policy and Management for Sustainable Use, Volume 30, Issue 1, January/December 2025.ABSTRACT This study applies a GIS‐based approach to evaluate the spatial suitability of net‐cage aquaculture and analyse key water quality parameters in four hydroelectric reservoirs located in the Jamari River basin, Western Brazilian Amazon. The assessment includes one large hydropower reservoir (HPP Samuel) and three small hydropower reservoirs ...
Carlos Eduardo Mounic‐Silva +8 more
wiley +1 more source
Critérios para Avaliação da Qualidade de Água no Brasil
Fronteiras: Journal of Social, Technological and Environmental Science, 2018 A resolução CONAMA n° 357/2005 é a principal normativa nacional relacionada à qualidade de água, pois dispõe sobre a classificação dos corpos hídricos. Os IQAs baseiam-se em um pequeno número de parâmetros que estabelecem categorias de qualidade da água.
Ana Luiza Litz Passos +2 more
doaj +1 more source
A Market-Based Environmental Policy Experiment in Chile [PDF]
Despite the increasing interest in the use of emissions trading for pollution control, empirical evidence reduces to a few experiences in the US. This paper studies the “"emission-offsets trading program”" established since 1992 to control particulate in
José Miguel Sánchez +2 more
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Qualidade da água do Córrego Chico, Ladário - MS. [PDF]
, 2011 bitstream/CPAP-2009-09/56792/1/CT77 ...
CALHEIROS, D. F. +3 more
core
Acta Scientiarum: Technology, 2011 The physic-chemical characteristics of leach deposited in the landfill waste pond and of water from the Borba Gato streamlet are evaluated. Twenty-six physic-chemical parameters were analyzed from three collection sites, or rather, two in the streamlet ...
Marta Eliane Echeverria Borges +1 more
doaj +3 more sources
Acta Limnologica Brasiliensia, 2012 Environmental monitoring studies in the Hydrographical Basin of Pardo River, RS, Brazil, in the time series from 2007 to 2009, showed no agreement between the water quality evaluation obtained through the Water Quality Index (WQI - NSF), which ranged ...
Daiane Lautert Moretto +3 more
doaj
Acta Scientiarum: Biological Sciences, 2011 This study evaluated the efficiency of two bioindicators, fecal coliforms and ecotoxicity tests, set out in CONAMA Resolution 274/00 and CONAMA Resolution 357/05, in assessment of water quality.
Eduardo Cyrino Oliveira-Filho +3 more
doaj +1 more source