[PDF] Top 20 The role of a cascade of reservoirs and seasonal variation in the phytoplankton structure in a tropical river
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The role of a cascade of reservoirs and seasonal variation in the phytoplankton structure in a tropical river
... PT. and IZAGUIRRE, I., 2007. Phytoplankton morphological response to the underwater light conditions in a vegetated ...Use of algae for water quality monitoring. In SALÁNKI, J. ... See full document
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Spatial and temporal variation of phytoplankton in a tropical eutrophic river
... reflected the influence of El Niño, which resulted in rainfall below average in northeastern Brazil (CPTEC/INPE, 2010a ), mainly between November and ...March. The change ... See full document
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Spatial and temporal variation of the phytoplankton community in a section of the Iguaçu River, Paraná, Brazil
... 2010), and low levels of precipitation were observed in the winter, dry season (Figure ...Regarding the average monthly discharge levels of the Lower Iguaçu at stations 1 ... See full document
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Ant Assemblage Structure in a Secondary Tropical Dry Forest: The Role of Ecological Succession and Seasonality
... In the tropics, some insect populations are influenced by seasonal changes in temperature and moisture (Guedes et ...2000), and ant assemblages are generally more diverse during ... See full document
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Trophic structure of the fish community throughout the reservoirs and tributaries of the Middle and Lower Tietê River (São Paulo, Brazil)
... that the feeding of a fish species is based on both the availability and the abundance of food in the environment, and the species may modify their ... See full document
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PHYTOPLANKTON NYCTEMERAL VARIATION AT A TROPICAL RIVER ESTUARY (ITAMARACÁ – PERNAMBUCO – BRAZIL)
... regulate the magnitude, seasonal pattern, and species composition of phyto- plankton photosynthesis, including light, temperature, nutrients, physical transport processes, and ...affect ... See full document
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Structure and temporal variation of the phytoplankton of a macrotidal beach from the Amazon coastal zone
... parameter in most ecosystems, acting as a limiting factor for the reproduction, growth, and distribu- tion of organisms (Passavante ...however, the temperature of the ... See full document
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Phytoplankton assemblages in a reservoir cascade of a large tropical – subtropical river (SE, Brazil)
... have the capability to retain nutrients, from point and non-point sources, and this fact supports the idea that a progressive “oligotrophication” process should be expected along reservoir ... See full document
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Relationship between phytoplankton structure and environmental variables in tropical reservoirs with different trophic states
... coexistence of species is extremely common among phytoplankton (Miyazaki et ...2006). The communities are composed of different species that share and compete for resources, forming ... See full document
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Spatial and temporal variation of the phytoplankton structure in cascading oligotrophic reservoirs of southeast Brazil
... used phytoplankton as an indicator of changes in the environment quality of cascading reservoirs in the Tietê River Basin (Barbosa et ...changes in ... See full document
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Seasonal variation of the phytoplankton community structure in the São João River, Iguaçu National Park, Brazil
... Bicudo and Menezes (2006), was adopted for the class level. The species richness took into consideration the total number of taxa per quantitative ...sample. The density was ... See full document
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Seasonal variation of the protozooplanktonic community in a tropical oligotrophic environment (Ilha Solteira reservoir, Brazil)
... protozooplankton in their studies (e.g. Pace and Orcutt, 1981), protozoans are seen as a significant portion of the microzooplankton community (Beaver and Crisman, 1990) and an ... See full document
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Relationships between structure of the tree component and environmental variables in a subtropical seasonal forest in the upper Uruguay River valley, Brazil
... structured and less associated with the spatial variables, while the spatial variable y, corresponding to the pitch axis of the area in the north-south direction, ... See full document
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Structure of the phytoplankton community in the Cachoeira Dourada reservoir (GOMG), Brazil
... to the functional group analysis, the phytoplankton community was represented by species typical of turbulent and enriched ...environments. The temporal variability of ... See full document
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Structure and Dynamics of Phytoplankton Community in the Botafogo Reservoir-Pernambuco-Brazil
... In the Botafogo Reservoir, a significant presence of the Chlorophyta was determined during both the rainy and dry seasons, which was in agreement with results frequently ... See full document
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COMPOSITION AND ABUNDANCE OF ZOOPLANKTON IN THE LIMNETIC ZONE OF SEVEN RESERVOIRS OF THE PARANAPANEMA RIVER, BRAZIL
... composition and abundance of the zooplankton community of seven reservoirs of the Paranapanema River, located between 22º37’-23º11’S and 48º55’-50º32’W, were ... See full document
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The role of health in the development of the River Plate Basin
... The Sixth Meeting of Ministers of Health, held in Porto Alegre, bearing in mind the decisions made by the respective Governments regard- ing the maximum utilization of the water [r] ... See full document
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Repositório Institucional da UFPA: Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil
... spatial and temporal patterns of the copepods, samples were collected at four stations in the inner part of the Curuçá estuary ...1) in the neap tides ... See full document
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Seasonal variation in the reproductive activity of male goats raised under tropical climate conditions
... considering the following variables: reaction time (period between the introduction of the goat in the collection room with its observation of the female in ... See full document
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Geochemistry of metals in the bottom sediments of tropical dam reservoirs in San Francisco River (Três Marias, MG) and Tocantins River (Tucuruí, PA), Brazil
... Iron and manganese exist in both oxidized and reduced oxidation states in these ...Therefore the forms and cycling of these elements are strongly determined by the ... See full document
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