Results 11 to 20 of about 661,822 (79)
Pesticides are used throughout the tropics in large amounts to protect crops against pests and weeds. These chemicals may be lost to the aquatic environment and impair its ecological status and the water quality for human consumption.
Frederik T. Weiss +4 more
doaj +1 more source
Composición de los macroinvertebrados según la calidad del agua en turberas de altura, Costa Rica
Introducción: En Costa Rica, las turberas altas se localizan en la Cordillera de Talamanca de 2 400 a 3 200 m. Se forman a partir de depósitos de materia orgánica en descomposición, con oxígeno reducido y baja disponibilidad de nutrientes.
Paola Gastezzi, José E. Rincón
semanticscholar +1 more source
The preliminary consequence of pollutants in water is to reduce the quality of water although this may not be immediately noticeable because of the self-purifying ability of some water bodies.
John Ovie Olomukoro +4 more
doaj +1 more source
En la actualidad los cuerpos de agua dulce se encuentran bajo constante presión debido a una creciente demanda del recurso, destinada principalmente para las diferentes actividades antropogénicas que se desarrollan en zonas cercanas a ellos, generando ...
Johan Rodas Vallejo +3 more
semanticscholar +1 more source
GLF-CR: SAR-enhanced cloud removal with global–local fusion [PDF]
The challenge of the cloud removal task can be alleviated with the aid of Synthetic Aperture Radar (SAR) images that can penetrate cloud cover. However, the large domain gap between optical and SAR images as well as the severe speckle noise of SAR images
Fang Xu +6 more
semanticscholar +1 more source
A review of chromium (Cr) epigenetic toxicity and health hazards.
Carcinogenic metals affect a variety of cellular processes, causing oxidative stress and cancer. The widespread distribution of these metals caused by industrial, residential, agricultural, medical, and technical activities raises concern for adverse ...
Mahalaxmi Iyer +11 more
semanticscholar +1 more source
Cusuco National Park, a cloud forest park situated in the Merendon Mountains region of Honduras, is home to considerable biodiversity with a very high degree of endemism.
Paul O’Callaghan, Mary Kelly-Quinn
doaj +1 more source
Health hazards of hexavalent chromium (Cr (VI)) and its microbial reduction
Industrial effluents/wastewater are the main sources of hexavalent chromium (Cr (VI)) pollutants in the environment. Cr (VI) pollution has become one of the world’s most serious environmental concerns due to its long persistence in the environment and ...
Pooja Sharma +3 more
semanticscholar +1 more source
Adsorption mechanism of Cr(VI) on woody-activated carbons
To provide guidance for the selection of woody-activated carbon in the treatment of wastewater containing hexavalent chromium (Cr(VI)), the adsorption tests on two varieties of commercial woody-activated carbon powder from different manufacturers were ...
Hua Wang +3 more
semanticscholar +1 more source
Drainage channels are a prominent feature of many intensively managed agricultural areas.These small shallow bodies of water refuge communities of macroinvertebrates, which resemble smallnatural lentic ecosystems.
María Fernanda Arias Araya
semanticscholar +1 more source

