Results 21 to 30 of about 55 (47)
Acta Limnologica Brasiliensia, 2010 AIM: the present study aimed at assessing the response of phytoplankton biomass (as chlorophyll-a) to simulated conditions of increased water temperature and phosphorus (P) inputs in Peri lagoon, a subtropical coastal lagoon dominated by ...
Mariana Coutinho Hennemann +1 more
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Condiciones hidroquímicas recientes de la zona central del golfo de Ana María, Cuba
Revista de Investigaciones Marinas, 2023 El golfo de Ana María es una de las regiones cubanas con mayor peso en la explotación pesquera y con un futuro promisorio en el turismo. El objetivo de este trabajo fue evaluar hidroquímicamente el sector central del golfo de Ana María.
Roberto González-De Zayas +3 more
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Acta Botanica Mexicana, 2016 Antecedentes y Objetivos: La colonización de los sustratos líticos por comunidades fúngicas está determinada por las propiedades del sustrato (bioreceptividad) y las condiciones climáticas y microclimáticas.
Sergio Gómez-Cornelio +4 more
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Productividad primaria y sustancias húmicas en la ciénaga El Eneal, San Onofre Sucre-Colombia
Revista Facultad de Ingeniería Universidad de Antioquia, 2009 Entre mayo de 2003 y abril de 2004, se determinó la productividad primaria y el contenido de sustancias húmicas en la ciénaga El Eneal. En la zona pelágica se dispusieron los ensayos de medición de la productividad y se tomaron muestras de agua para el ...
Elkin Libardo Ríos +2 more
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Structure and dynamics of phytoplankton in an Amazon lake, Brazil
Revista de Biología Tropical, 2010 Natural lake systems represent important reservoirs for residential water supply, fish production, recreational activities and enjoyment of their natural beauty. Nevertheless, human impacts may affect their health status resulting in degradation and loss
Ise de Goreth Silva +3 more
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Brazilian Archives of Biology and Technology, 2007 The gonad morphology and spawning season of Loricariichthys spixii in Lajes reservoir were described based on 175 males and 613 females. Cells from the spermatogenic lineage were divided in four phases: spermatogonia (primary and secondary ...
Silvana Duarte +3 more
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Biopolímeros, Carbono e Enxofre Totais Associados à Atividade Bacteriana dos Sedimentos Superficiais do Delta do Paraíba do Sul, RJ-Brasil [PDF]
Anuário do Instituto de Geociências, 2011 A bacia de drenagem do Rio Paraíba do Sul localiza-se ao longo do eixo Rio de Janeiro-São Paulo, de grande densidade demográfica e intensa industrialização.
Lazaro Luiz Mattos Laut +5 more
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Hydrology and phytoplankton community structure at Itamaracá-Pernambuco (Northeast Brazil)
Brazilian Archives of Biology and Technology, 1999 Quali-quantitative studies and hydrologic parameters were carried out in the profiles 6 (Orange) and 7 (Catuama) during the Victor Hensen cruise, in accordance with the bilateral scientific cooperation agreement Brazil/Germany.
Maria Luise Koening +1 more
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Flora y vegetación acuáticas del lago de Zirahuén, Michoacán, México
Acta Botanica Mexicana, 2004 El lago de Zirahuén se localiza en la porción centronorte del estado de Michoacán, dentro de la región hidrológica de la cuenca del Balsas, a 2075 m s.n.m.
Xavier Madrigal +2 more
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Environmental water quality assessment in Guaratuba bay, state of Paraná, southern Brazil
Brazilian Journal of Oceanography, 2012 An environmental assessment of the estuarine waters of Guaratuba bay, Paraná State, Brazil, is provided through the analysis of physical-chemical, biological and hydrographic dynamics.
Byanka Damian Mizerkowski +4 more
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