Trophic state index
Assessment of the efficiency of a trophic state index in determining the water quality of public water supply reservoirs
... The aim of this study consists in the evaluation of the trophic state index (IET) efficacy as a tool in the water quality analysis of three reservoirs. The IET was calculated based on water ...
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Seasonal variation of limnological features and trophic state index of two oligotrophic reservoirs of southeast Brazil
... The Trophic State Index (Figure 5) classified oligotrophic the Tanque Grande reservoir in August, except for the pelagic zone that was considered ...
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Determination of toxicity assays, trophic state index, and physicochemical parameters on Piracicaba River and Itapeva Stream
... Anthropogenic activity has a great impact on aquatic environments, causing changes in biodiversity and the environment. In an attempt to determine pollution levels, we established physicochemical parameters, a ...
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Proposal for a remote sensing trophic state index based upon Thematic MapperLandsat images
... a trophic state index based on the remote sensing retrieval of chlorophyll-α ...concentration trophic state classes covering the entire range measured in the ...concentration ...
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Physical, chemical and microbiological aspects during the dry and rainy seasons in a pond covered by macrophyte used in aquaculture water supply
... High rates of Trophic State Index (Table 2) occurred at the inflow area of runoff water. Riparian vegetation did not adequately constrain flooding from the pastureland surrounding the pond. ...
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Land use and trophic state dynamics in a tropical semi-arid reservoir
... its trophic state, and to identify the sources of nutrient input to the ...Ceará State, ...chlorophyll-a. Trophic state was evaluated by application of the Carlson modified ...
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Structure of the Phytoplankton in a Water Supply System in the State of Pernambuco - Brazil
... The aim of this work was to study the phytoplankton community composition at limnetic environment in Pernambuco, Brazil. Samplings were carried out from April/2001 to March/2002. Samples to analyses the biotic variables ...
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Index-based and compliance assessment of water quality for a Brazilian subtropical reservoir
... the state of reservoir water quality, and whether it has undergone any recent medium- and long-term ...Quality Index (WQI), Trophic State Index (TSI) and Shannon- Weaver Index ...
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Carlos Alexandre Borges Garcia2 , Gilsia Fabiane Oliveira Moraes
... Quality Index (WQI) and Trophic State Index (TSI) were used, as well as multivariate statistical techniques with Grouping and Principal Component analysis (GPC), aiming to determine the ...
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Influence of seasonal variation on the hydro-biogeochemical characteristics of two upland lakes in the Southeastern Amazon, Brazil
... the trophic state index (TSI) of lakes employing single nutrient (P or N) or physical (secchi disk) measurement to more complex multi- parameters (Carlson 1977, Lambou et ...Carlson index is ...
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Clustering of water bodies in unpolluted and polluted environments based on Escherichia coli phylogroup abundance using a simple interaction database
... trophic state index (TSI), on the other hand, is based on the concentrations of chlorophyll and ...Paulo State Point Source Pollution ...
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ZOOPLANKTON BIOMASS OF RESERVOIRS IN DIFFERENT TROPHIC CONDITIONS IN THE STATE OF SÃO PAULO, BRAZIL
... Water bodies showing a trophic state index below 44 are oligotrophic, from 44 to 54 they are mesotrophic, and above 54 they are eutrophic. In the present study, the MTSI of Ponte Nova (42) and ...
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Zooplanktonic community of six reservoirs in northeast Brazil
... The aim of the present study was to investigate the zooplankton community at six reservoirs in the state of Pernambuco (Brazil). Zooplankton assemblages were identified using current literature and quantitatively ...
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Phytoplankton composition of Sazlidere Dam lake, Istanbul, Turkey
... Nygaard’s trophic state index can be a handy tool in determining the status of pollution in ...compound index value less than 1 indicates oligotrophic ...compound index value was ...
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TROPHIC STRUCTURE OF FISH ASSEMBLAGES IN THE LOWER MIRANDA RIVER, PANTANAL, MATO GROSSO DO SUL STATE, BRAZIL
... One hundred and one fish species were caught in the lower Miranda River floodplain, belonging to five orders and 20 families. Applying the methodology proposed by Kawakami & Vazzoler (1980) for the gut contents found ...
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Diversity of metazoan parasites in Colossoma
... Fish are the main sources of protein for many Amazonian riverine populations, which have the highest per capita fish consumption in the world (Petrere Júnior et al. 2007; Isaac et al. 2015). Many species of different ...
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APPLYING A SUSTAINABILITY INDEX TO THE JAPARATUBA RIVER WATHERSHED IN SERGIPE STATE
... (2007), index and indicator have the same meaning in a superficial analysis, but the difference lies on the fact that an index is the final aggregated value of a calculation procedure, whereas indicators ...
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Index
... No caso de Cabo Verde, a consolidação democrática foi alicerçada num sistema institucional (Przeworski, Alvarez e Limongi, 1996) em que os atores políticos puseram em práti[r] ...
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Index
... Para ele, a desobediência civil (entendida como a violação civil de decretos legais considerados amorais) e a não- cooperação (entendida como a recusa popular de cooper[r] ...
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Index
... De referir que essas dinâmicas consensuais são o resultado de conflitos (geralmente de natureza política) ou podem ter sido a origem das mesmas. De qualquer forma, podem conduzir a uma[r] ...
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