Assemblage Structure
Fish assemblage structure in a port region of the Amazonic coast
... fish assemblage structure in a port area in São Marcos Bay (Amazonic coast) was evaluated based on the spatial and temporal distributions to identify potential changes in response to anthropic pressure ...
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Composition and assemblage structure of demersal fish from São Cristóvão beach, Areia Branca, RN
... Kruskall-Wallis’ nonparametric test was applied to check for significant differences between the ecological indexes throughout the months studied. To compare the richness index between dry (June until January) and rainy ...
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Patterns in fish species composition and assemblage structure in the upper Salado River lakes, Pampa Plain, Argentina
... to hypereutrophic environments (Quirós et al., 2002a). Due to the high primary productivity by phytoplankton, the extreme turbidity and the habitual anoxia of the water-sediment interface, plant cover in these lakes is ...
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Fish assemblage structure in tributaries of the Meia Ponte River, Goiás, Brazil
... the structure of fish assemblages and to evaluate the results with the regard to the position of the tributaries (sampling stations) along the ...fish assemblage structure, summa- rized by a ...
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Trophic organization and fish assemblage structure as disturbance indicators in headwater streams of lower Sorocaba River basin, São Paulo, Brazil
... in assemblage richness? ii) Is the omnivore density independent from assemblage richness ( ...affect assemblage equability? Relationships between environmental complexity and fish assemblage ...
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Fish assemblage structure of the Ipanema River, a small lotic environment partially protected by a Conservation Unit in southeastern Brazil
... Animal body size can be considered a good descriptor of assemblage structure in any sort of environment. Kozłowski and Gawelczyk (2002) discussed patterns of body size distribution in animal assemblages ...
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Fish assemblage structure is consistent through an annual hydrological cycle in habitats of a floodplain-lake in the Colombian Amazon
... of assemblage structure were further exam- ined with correspondence analysis (CA; PC-ORD software, McCune & Mefford, 1999), a multivariate technique for indi- rect ordination (Gauch & Whittaker, ...
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Fish-AssemblAge structure oF the corumbAtAi river bAsiN, são PAulo stAte, brAzil: chArActerizAtioN ANd ANthroPogeNic disturbANces
... River systems have many variables that control fish assemblages and, in the present work, adjusting a simple model allowed a good visualization of the multidimensional structure accounting for the spatio-temporal ...
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Copepod assemblage structure (Crustacea: Copepoda) along a longitudinal environmental gradient in a tropical river-floodplain system, Brazil
... this assemblage, when comparing the Paraná River (oligotrophic) with the adjacent mesotrophic ...copepod assemblage in the upstream stretch of the study ...
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FISH ASSEMBLAGE STRUCTURE IN A FIRST ORDER STREAM, SOUTHEASTERN BRAZIL: LONGITUDINAL DISTRIBUTION, SEASONALITY, AND MICROHABITAT DIVERSITY
... Fish species collected in each stretch of the Córrego São Carlos, Morro do Diabo State Park, São Paulo, Brazil, during the dry and wet seasons... Eleven species were resident (present i[r] ...
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Assemblage structure and secondary production of mesozooplankton in shallow water volcanic CO2 vents of the Azores
... and structure of mesozooplankton among sites were described, along with the characterization of the community in these areas, since previous information is ...
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Patterns of Assemblage Structure Indicate a Broader Conservation Potential of Focal Amphibians for Pond Management.
... ponds), assemblage nestedness was affected by sun exposure ...the assemblage structuring processes in natural ponds might be different from those in recently constructed ponds, because natural ponds are ...
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Dung beetle assemblage structure: Atlantic forest fragment versus abandoned pasture area
... Pattern of distribution of sample dots according to species composition, following the grouping defined by NMDS based on the Bray-Curtys index, in forest, edges and adjacent pas- ture, a[r] ...
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Disentangling urban habitat and matrix effects on wild bee species
... In face of a dramatic decline of wild bee species in many rural landscapes, potential conservation functions of urban areas gain importance. Yet effects of urbanization on pollinators, and in particular on wild bees, ...
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Fish assemblage in a dammed tropical river: an analysis along the longitudinal and temporal gradients from river to reservoir
... fish assemblage structure along a longitudinal gradient of the Paraíba do Sul River and Funil ...and structure of the assemblage which are modulated by seasonal rainfall ...the ...
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Habitat characteristics and environmental parameters influencing fish assemblages of karstic pools in southern Mexico
... Fishes were captured in each pool using two methods: a) a seine net (3.5 × 1.0 m, with 2 mm mesh) operated three times in non-overlapping areas, along 50 m reach which was extended from shore at ca. 1 m depth, and hauled ...
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Influence of environmental parameters on fish assemblage of a Neotropical river with a flood pulse regime, Central Brazil
... inermis, Agoniates halecinus and Rhaphiodon vulpinus were related to a deep channel. These are piscivorous species that inhabit the main river channel (Petry et al., 2003), where they could prey on fish that enter or ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... Another possible explanation for the noticed weak effect of predation and competition in structuring local assemblages could come from the predominance of studies carried out in temperate zones (compared to tropical ...
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Structure and feeding of a stream fish assemblage in southeastern Brazil: evidence of low seasonal influences
... ish assemblage structure was detected in some studies (Medeiros and Maltchik, 2001, in the semiarid region; Galacatos et ...ish assemblage attributes, but actually the number and relative abundance ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... distribution, assemblage structure and substrate associations of mayfly nymphs in five lotic ecosystems in the headwaters of the Doce River and São Francisco River watersheds, ...
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