Results 41 to 50 of about 3,111 (189)
Potencial de biossorção do zinco pela macrófita egeria densa [PDF]
Engenharia Sanitaria e Ambiental, 2009 Neste trabalho, foi estudada a capacidade de biossorção da macrófita aquática Egeria densa seca na remoção do íon zinco. Os testes cinético e de equilíbrio foram realizados em sistema de batelada com temperatura, agitação e pH controlados. Os resultados obtidos na cinética de biossorção demonstram uma rápida remoção do zinco (II), com tempo de ...
Módenes, Aparecido Nivaldo +5 more
openaire +3 more sources
Semina: Ciências Agrárias, 2008 The objective of this research was to evaluate the production of biomass of the aquatic macrophytes water hyacinth (Eichhornia crassipes) and egeria (Egeria densa) in three hydraulic detention times in a organic pisciculture effluent treatment system ...
Anderson Coldebella +5 more
doaj +1 more source
Cadmium biosorption by non-living aquatic macrophytes Egeria densa
Water Science and Technology, 2009 In this work the removal potential on Cd2+ by the non-living Egeria densa biomass has been studied. The influence of the metal solution pH, the plant drying and the metal solution temperature, and biosorbent grain size was previously studied in batch systems.
A N, Módenes +2 more
openaire +2 more sources
Pet stores, aquarists and the internet trade as modes of introduction and spread of invasive macrophytes in South Africa [PDF]
, 2011 Submerged aquatic invasive plant species are increasingly being recognised as a major threat to South African water ways. Pet stores, aquarists and the internet-mediated trade were investigated as pathways for submerged invasive macrophyte introductions ...
Coetzee, Julie, Martin, G D
core +3 more sources
Effects of submerged vegetation on water clarity across climates [PDF]
, 2009 A positive feedback between submerged vegetation and water clarity forms the backbone of the alternative state theory in shallow lakes. The water clearing effect of aquatic vegetation may be caused by different physical, chemical, and biological ...
Jeppesen, E. +6 more
core +1 more source
Planta Daninha, 2011 No Brasil, as macrófitas aquáticas submersas, Egeria densa e Egeria najas, têm causado prejuízos aos usos múltiplos da água. Hydrilla verticillata foi recentemente introduzida, mas tem histórico como planta problemática nos EUA, no México e na Austrália.
M.N.P. Henares +4 more
doaj +1 more source
Planta Daninha, 2003 Visando fornecer subsídios para elaboração de sistema de manejo integrado das grandes massas de plantas daninhas aquáticas submersas em lagos e represas, o presente trabalho teve como objetivo verificar a eficiência do pacu (Piaractus mesopotamicus) como
D.M.Y. Miyazaki, R.A. Pitelli
doaj +1 more source
Physical environment, nutrient budget, and ecology of Lake Moana-nui, Tokoroa [PDF]
, 2006 This report is based on fortnightly monitoring data collected over a 14 month period from November 2000 to January 2002 and a survey of the lake bathymetry and vegetation distribution.
Hicks, Brendan J., Miller, Dean C.
core +3 more sources
Acta Biológica Colombiana, 2023 Los lagos altoandinos son ecosistemas afectados por múltiples presiones antrópicas que alteran la calidad del agua y las comunidades bióticas, siendo los macroinvertebrados acuáticos excelentes bioindicadores para estos ecosistemas.
Ludy Yanith Pineda-Alarcón +1 more
doaj +1 more source
Management of Tropical River Basins and Reservoirs under Water Stress: Experiences from Northeast Brazil [PDF]
, 2019 Due to global warming, a reduction in available water will occur in many watersheds and conflicts concerning water use will take place. This situation is already typical in semi-arid areas, where many reservoirs have been constructed for water storage ...
Gunkel, Günter +2 more
core +1 more source