[PDF] Top 20 Effects of environmental factors on community structure of Leptophlebiidae (Insecta, Ephemeroptera) in Cerrado streams, Brazil
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Effects of environmental factors on community structure of Leptophlebiidae (Insecta, Ephemeroptera) in Cerrado streams, Brazil
... % of the shredder ...basin in Mato Grosso (Shimano et al., 2011). With the records of Fittkaulus and the rare Tikuna, the Pindaíba River basin now holds three genera of the Terpides lineage ... See full document
6
Relative influence of direct and indirect environmental effects on sestonic chlorophyll-a concentration in Cerrado streams
... importance of conductivity and turbidity is highlighted among the local ...increase in conductivity may affect physiological processes of the phytoplankton, hindering the development of new ... See full document
10
Effect of environmental quality and mesohabitat structure on a Biotic Integrity Index based on fish assemblages of cerrado streams from Rio Cuiabá basin, Brazil
... correlation of our work can be explained by four hypotheses. First of all, although the IBI gives an idea how distance of the original condition is the environment, it is possible that the fish ... See full document
10
Ephemeroptera, Plecoptera and Trichoptera assemblages from riffles in mountain streams of Central Brazil: environmental factors influencing the distribution and abundance of immatures
... influence of rainfall on the aquatic macroinvertebrate fauna in a region of the Atlantic forest in Southeastern Brazil, also not compatible with other studies carried out ... See full document
12
Protozoa ciliates community structure in urban streams and their environmental use as indicators
... objective of this work was to investigate the patterns of diversity and abundance of ciliates protozoa community in three tropical urban streams and verify which species can be ... See full document
11
Fungal Community Structure as an Indicator of Soil Agricultural Management Effects in the Cerrado
... fungal community, mainly associated with the degradation of plant residues, apparently undergoes changes due to vegetation type more intensely (Lorenzo et ...properties of the soils affect plant ... See full document
12
Environmental factors predicting fish community structure in two neotropical rivers in Brazil
... importance of sea- sonality is dependent on the migration rate. In the Iguatemi River basin, the existence of many rapids from the headwa- ters to the middle portion may reduce migration and ... See full document
8
Effects of isolation and environmental variables on fish community structure in the Brazilian Amazon Madeira-Purus interfluve
... existence of terrestrial barriers to freshwater fish dispersion, it is believed that its distribution is strongly as- sociated with historical factors related to the formation of the habitats they ... See full document
9
Landscape effects on the occurrence of ichthyofauna in first-order streams of southeastern Brazil
... Objective: In this study we aimed to understand how extrinsic environmental factors measured in the watercourses and the surrounding landscape influence the ichthyofauna of first-order ... See full document
10
Community structure of aquatic insects (Ephemeroptera, Plecoptera, and Trichoptera) in Cerrado streams of Paraguay, Paraná, and São Francisco river basins
... proportion of variation in genera richness and abundance (response variables) explained by predictor ...much of the variation in a response variable that can be assigned exclusively to one set ... See full document
11
Macrófitas aquáticas em áreas úmidas naturais e manejadas do Rio Grande do Sul, sul do Brasil
... dynamic of aquatic macrophyte community in natural and managed wetlands of Southern ...diversity in wetlands of Southern Brazil, the environmental factors ... See full document
14
Community structure and comparative analysis of the woody component of a cerrado remnant in Southeastern Brazil
... feature of the studied cerrado where predominate species that are encountered both in cerrado and forest areas may indicate the occurrence of past immigration of forest species, ... See full document
12
Response of fish communities to intense drought in Brazilian savanna streams
... structures of streams are subjected to intense changes throughout the ...drought in dry periods has been frequent and potentially harmful to aquatic ...species. In this study, we tested ... See full document
11
Statistical Assessment of the Effect of Chemical Composition on Mechanical Properties of Hypereutectic AlSi17CuNiMg Silumin
... Taking the above into consideration, for investigations the following alloys were selected: a hypereutectic AlSi17 silumin which was “enriched” with additions of ~3%Cu, ~1,5%Ni and ~1,5%Mg (added separately or ... See full document
4
Analysis of Structure and Abrasion Resistance of the Metal Composite Based on an Intermetallic FeAl Phase with VC and TiC Precipitates
... properties of metals and ...and in corrosive environments. Intermetallic phases based on Fe and Al (called intermetallics) are intermetallic compounds very interesting in terms of the ... See full document
4
Evaluation of susceptibility of the ZRE1 alloy to hot cracking in conditions of forced strain
... work in combination with industrial tests of casting welding show that the causes of high-temperature brittleness are the partial tears of the structure and the hot cracks of ... See full document
6
Human Capital and the Recent Fall of Earnings Inequality in Brazil
... Institute of Geography and Statistics 3 . The worker sample consists of men from 25 to 60 years old, with strictly positive principle job income and ...years of study. To measure labor income we use ... See full document
41
Effects of forest conversion on the assemblages’ structure of aquatic insects in subtropical regions
... conversion of forested areas into agricultural landscapes causes impacts on aquatic ecosystems worldwide (Suga and Tanaka, 2013), especially on small streams, which are among the most ... See full document
7
Influence of tungsten and titanium on the structure of chromium cast iron
... content of manganese was made up with an addition of ferromanganese and the melt was held for 3 ...holding of the melt and before tapping, the temperature of liquid iron was measured with a ... See full document
4
Effects of environmental degradation on Odonata community of Atlantic Forest streams from Minas Gerais, Brazil.
... Os pontos 9 e 10 estavam em represas construídas no ribeirão São Bartolomeu, localizadas dentro do campus da Universidade Federal de Viçosa (UFV) e foram utiliza[r] ... See full document
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