[PDF] Top 20 Limnology in the Upper Paraná River floodplain: large-scale spatial and temporal patterns, and the influence of reservoirs

... Knowledge of abiotic limnological factors is important to monitor changes caused by humans, and to explain the structure and dynamics of populations and communities in a ... See full document

... The large catch of larvae in sub-area Ivinhema I corroborates results obtained by Vazzoler et ...malabaricus in full breeding condition in the Ivinhema River, ... See full document

... role in nutrient cycle in aquatic ...sites in the upper Paraná River floodplain were surveyed to determine the influence of environmental ... See full document

... part of the research project “Alto rio Paraná: Gradiente longitudinal de variáveis ambientais e comunidades aquáticas no último trecho livre de barramentos entre UHE de Porto Primavera e reservatório ... See full document

... The large rivers in South America are characterised by extensive floodplains, which can significantly influence the dynamics and the productivity of the ... See full document

... At the end of 1998, the Porto Primavera Reservoir (São Paulo State) was totally filled; this impoundment, be- sides inundating half of the Upper Paraná River ... See full document

... No presente estudo foram investigados os padrões espaciais e temporais da composição de espécies de ciliados planc- tônicos na planície de inundação do Alto Rio Paraná. As amostras foram obtidas em 12 ambientes, ... See full document

... structure in the three rivers, using the following response variables (Yi): species richness, total density, density of the main phytoplankton taxonomic groups and the ... See full document

... verify the temporal dynamics of Limnoperna fortunei larval stages and to identify the main environmental variables driving the larval density patterns in an area ... See full document

... Although the importance of long-term data has been emphasized by ecologists in recent years, little is known about how communities may change over ...time. In this study, we describe ... See full document

... typical of lentic environments because the free-swimming larval forms easily find their host in these ...curimba and Rhinonastes pseudocapsaloideum are ...typical of habitats with ... See full document

... rate in Porto Rico Island is correlated to the colonization process and social transformations in the ...1962 and 1967 the islands of the Paraná ... See full document

... lengths and scanning emission synchronically with a constant wave length interval between excitation and emission ...(∆λ). The most common interval for DOC and humic substances studies is ∆λ =  ... See full document

... spines and projections in its head that are peculiar because they reduce the vulnerability to predation by planktivorous fishes and invertebrates, furnishing an advantage over other Daphnia ... 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

... about the biology of the larvae are scarce. We correlated the larval stages of ...phytoplankton and main abiotic variables in lotic environments of the ... See full document

... Physical and chemical factors are pointed as important for determining the distribution and composition of fish assemblages (Matthews, 1998; Jackson et ...However, in the present ... See full document

... synchronous and/or metachronous cancers of the oesophagus, lungs, and head and neck region ...90% of the tumours in head and neck are squamous cell ... See full document

... species of Gymnotus showed that the populations with larger genetic divergence were ...sylvius and G. inaequilabiatus (D = 0.117), and the genetically closest populations were ... See full document

... The upper Paraná River floodplain features a fauna that is highly adapted to the marked seasonal changes in biotic and abiotic factors imposed by the flood ... See full document