Results 171 to 180 of about 1,327 (200)
Dinámica ecológica de la comunidad bentónica profunda de un lago oligotrófico tropical
, 2015 openaire +1 more source
Dinámica a largo plazo de la biomasa fitoplanctónica en un lago monomíctico cálido tropical
, 2011 openaire +1 more source
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Hydrobiologia, 2004
The limnology of Lago Biao and Lago Loreto, two tropical crater lakes on the island of Bioko, was investigated for the first time in January of 2002. Lago Biao fills a caldera at 1750 m altitude and is 18.5 m deep. This lake was characterized by low conductivity (11.6-13.3 μS cm−1), low pH (5.9-6.2), an oxycline between 6 and 10 m depth (90-27 ...
Robert Schabetsberger +4 more
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The limnology of Lago Biao and Lago Loreto, two tropical crater lakes on the island of Bioko, was investigated for the first time in January of 2002. Lago Biao fills a caldera at 1750 m altitude and is 18.5 m deep. This lake was characterized by low conductivity (11.6-13.3 μS cm−1), low pH (5.9-6.2), an oxycline between 6 and 10 m depth (90-27 ...
Robert Schabetsberger +4 more
openaire +3 more sources
Fish mercury increase in Lago Manso, a new hydroelectric reservoir in tropical Brazil
Journal of Environmental Management, 2006It has been frequently demonstrated that mercury (Hg) concentrations in fish rise in newly constructed hydroelectric reservoirs in the Northern Hemisphere. In the present work, we studied whether similar effects take place also in a tropical upland reservoir during impoundment and discuss possible causes and implications.
Lars D, Hylander +7 more
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Characterization of tropical freshwater; River Ogun, Lagos Nigeria
Tropical Freshwater Biology, 2020Physico-chemical parameters and microbial contents of Ogun River at Magodo area, Lagos were investigated in relation to its safety for consumption. Water samples were weekly collected between August and December, 2016 at three equi-distance intervals for analysis on physico-chemical parameters, total bacterial count and biochemical tests following ...
R.Y. Oladunjoye +4 more
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Herbivory in a fragmented tropical forest: patterns from islands at Lago Gatún, Panama
Biodiversity & Conservation, 2002By imposing density-dependent mortality upon their hosts, specialistinsect herbivores are thought to contribute to the maintenance of tree diversityin tropical forests. Forest fragmentation may alter patterns of herbivory,however, which may have important implications for tree species diversity inforest remnants.
A. Elizabeth Arnold, Nigel M. Asquith
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Planos integrados, lagos artificiais e medicina tropical – o caso de Cahora Bassa nos anos 1960-1970
2018Os planos integrados de aproveitamento das bacias hidrográficas dos rios africanos eram abrangentes e visavam vastas áreas territoriais, como o do Zambeze em Moçambique, elaborado pelas autoridades portuguesas entre 1956-1965. Este plano incluiu a construção de um grande lago artificial – a albufeira da barragem de Cahora Bassa – que se entendeu, então,
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