[PDF] Top 20 Spatial and seasonal distribution of chromophoric dissolved organic matter in the Upper Paraná River floodplain environments (Brazil)

... collected in six shallow lakes (mean depths between 1 and 3.5 m) of the floodplain (Figure ...Patos and Ventura lakes are permanently connected to the main rivers ... See full document

... to the Bosminidae, the greater abundance of Chydoridae in the lake as opposed to Sididae in the river may be related to the pre- sence of extensive ... See full document

... Spatial and temporal distribution of larvae and juveniles of trahira, Hoplias ...(Erythrinidae), and their relationship with environmental parameters in the ... See full document

... other and the environment and the species ...competition and predation, and the relationships of species with their environment depended on the limnological ... See full document

... Conversely, the phosphorus and nitrogen concentrations in the ultra-fine particles of the Paraná River sediment approach the concentrations recorded ... See full document

... spawning, and juveniles inhabit lagoons in the lower parts of ...Species in this group are usually large sized, with total and seasonal spawning, high fecundity, small ... See full document

... 2007) in this floodplain. How- ever, considering that zooplankton is the principal link in en- ergy transfer to the other trophic levels, it is extremely impor- tant to study it using ... See full document

... alter the energy content of fish are classified as biotic (sex, gonadal development stage, reproductive activity, age, size, competition, predation, parasitism) and abiotic (availability of ... See full document

... content of inorganic nutrient and lower content of organic matter could lead to a high competition among bacteria communi- ties leading to low OTU (operational taxonomic units) rich- ... See full document

... by the presence of several water bodies, with a high diversity of lotic, lentic and semi-lotic environ- ments, that should be integrally analyzed, as an unit denominated the ... See full document

... availability and turbidity (RDA). Those variables were more important in the structuring, organization and presence of diatom species, Gomphonema augur var sphaerophorum (Ehrenberg) ... See full document

... composition and dominance among Diaptomidae in the studied sampling stations, when compared with previous studies, indicates the occurrence of important long-term structural changes ... See full document

... values of species richness and diversity were obtained for the upper and lower stretches, and middle stretches had low values of species richness and ...patterns ... See full document

... spawning in these rivers does not ensure effective recruitment. Studies of the density of ichthyo- plankton conducted in the sub-basin of the Ivinheima River ... See full document

... neotropical floodplain systems, Cladocera inventories have registered 68 species in rivers and lakes in the Central Amazon (Robertson, ...species in the Orinoco ... See full document

... process of deforestation was analyzed to evaluate the regeneration potential of forests from soil seed bank of Porto Rico island (53° 15’W and 22° 45’S) in the ... See full document

... affect the abundance and prevalence of ...one of the most important in the parasite-host- environment relationship (Kennedy, ...Williams and Jones (1994) observed ... See full document

... one of the main floodplains of the country, the upper Paraná river floodplain ...on the right margin of the last stretch of this ... See full document

... descriptor of assemblage structure in any sort of ...Kozłowski and Gawelczyk (2002) discussed patterns of body size distribution in animal assemblages showing that right ... See full document

... rio Paraná, analisando as variações do teor calórico nos músculos, índice gonadossomático e o fator de condição entre subsistemas da planície de inundação, sexo e grau de maturação ...(subsistema Paraná), o ... See full document