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Fish community

Fish community structure and ecological degradation in tropical rivers of India

Fish community structure and ecological degradation in tropical rivers of India

... rivers, fish community structure is a good indicator of environmental stress (Barrella and Petrere 2003), because the composition of particular groups in fish communities reflect the level of habitat ...

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Temporal variation in fish community in the tailrace at Três Marias Hydroelectric Dam, São Francisco River, Brazil

Temporal variation in fish community in the tailrace at Três Marias Hydroelectric Dam, São Francisco River, Brazil

... downstream fish community is a challenge faced by the hydroelectric ...of fish community near the dam, it is necessary to consider a number of other restrictions and legal procedures to get ...

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Fish Community Composition, Seasonality and Abundance in Fortaleza Lagoon, Cidreira

Fish Community Composition, Seasonality and Abundance in Fortaleza Lagoon, Cidreira

... The first important point to be considered in the study of a fish community is the establishment of a list of species. Since the Tramandaí river system presents a large variety of aquatic environments, it ...

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Anthropic effects on the fish community of Ribeirão Claro, Rio Claro, SP, Brazil

Anthropic effects on the fish community of Ribeirão Claro, Rio Claro, SP, Brazil

... a fish community was studied in the Ribeirão Claro River, municipality of Rio Claro, State of São Paulo, southeastern ...The fish community of the Ribeirão Claro River showed a fair ...

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The fish community of the Sorocaba River Basin in different habitats (State of São Paulo, Brazil)

The fish community of the Sorocaba River Basin in different habitats (State of São Paulo, Brazil)

... To Collares-Pereira et al. (1995), the water-earth in- terface is the region that congregates habitat heterogene- ity, refuge availability and nutrients. According to these authors, large fishes prefer deeper sites ...

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A STUDY OF THE FISH COMMUNITY STRUCTURE IN A TIDAL CREEK

A STUDY OF THE FISH COMMUNITY STRUCTURE IN A TIDAL CREEK

... The fish community of Baguaçu was domi- nated by periodic and resident components, all primary consumers, that made up three groups of species. The first group had two estuarine species (S. testudineus and ...

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Change in fish community structure in the Barents Sea.

Change in fish community structure in the Barents Sea.

... demersal fish stays low, probably due to reduced spawning stock biomass and low temperatures, and as the pelagics increase probably due to reduced predation pressure and fast lifecycles ...targeting fish at ...

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The hydraulic management of the Barra Bonita reservoir (SP, Brazil) as a factor influencing the temporal succession of its fish community

The hydraulic management of the Barra Bonita reservoir (SP, Brazil) as a factor influencing the temporal succession of its fish community

... of fish communities allows evaluating the environmental conditions and the adaptation c apacity of the fish species to anthropogenic stress in ...The fish community at Barra Bonita reservoir ...

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Environmental factors affecting larval fish community in the salt marsh area of Guadiana estuary (Algarve, Portugal)

Environmental factors affecting larval fish community in the salt marsh area of Guadiana estuary (Algarve, Portugal)

... many fish species of commercial and recreational ...larval fish communities in these impacted nursery areas will be relevant to the management of local ecosystems and to larval fish ecology in ...

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Environmental factors predicting fish community structure in two neotropical rivers in Brazil

Environmental factors predicting fish community structure in two neotropical rivers in Brazil

... To complement the cluster analysis results, we utilized analysis of similarity (ANOSIM), a non-parametric tool pro- posed by Clarke (1993) in order to see if there is a significant difference in fish species ...

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Fish Community Composition and Habitat Use in the Eg-Uur River  System, Mongolia

Fish Community Composition and Habitat Use in the Eg-Uur River System, Mongolia

... Fish communities in the Eg and Uur watersheds are species-poor relative to other systems in Mongolia and specifi cally to the lower Selenge river from which 22 species are known (Dulmaa, 1999). A total of 12 ...

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Amphidromy links a newly documented fish community of continental Australian streams, to oceanic islands of the west Pacific.

Amphidromy links a newly documented fish community of continental Australian streams, to oceanic islands of the west Pacific.

... electro-shocked fish are quickly swept into rocky interstitial ...with fish easily seen in the water column and on the ...[25]. Fish presence was recorded by a single-pass snorkeling survey of each ...

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Demersal fish community on the inner shelf of Ubatuba, southeastern Brazil

Demersal fish community on the inner shelf of Ubatuba, southeastern Brazil

... Longhurst (1965) and Maurin (1968) emphasized the importance of the thermocline as a biological barrier, and suggested a strong association between the presence and abundance of tropical[r] ...

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Hydropeaking effects of on the diet of a Neotropical fish community

Hydropeaking effects of on the diet of a Neotropical fish community

... 16 fish species belonging to the orders Characiformes, Siluriformes, and Gymnotiformes (Table 1) were ...the fish assemblages in the four treatments studied ...

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Braz. j. oceanogr.  vol.56 número3

Braz. j. oceanogr. vol.56 número3

... in fish community structure and composition were detected by Margalef’s richness index, Shannon’s diversity (number of individuals) and Simpson’s dominance (number of ...individuals). Fish ...

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Aquatic insects as the main food resource of fish the community in a Neotropical reservoir

Aquatic insects as the main food resource of fish the community in a Neotropical reservoir

... of fish species of the Nova Avanhandava Reservoir, low Tietê River, São Paulo State, ...crustaceans, fish, macroinvertebrates, microcrustaceans, algae, vegetal matter, detritus/sediment and ...the ...

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Biological diversity and community structure of the lchthyofauna on vessel reefs in the Coast of Recife (PE) - Brazil

Biological diversity and community structure of the lchthyofauna on vessel reefs in the Coast of Recife (PE) - Brazil

... the fish community throughout the study, having not only the greatest similarity but also a good temporal aggregation for most dives, in both ...the community structure, especially in artificial ...

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Estimativa dos parâmetros de crescimento para um pequeno peixe do Pantanal, Brasil: Moenkhausia dichroura (Characiformes; Characidae)

Estimativa dos parâmetros de crescimento para um pequeno peixe do Pantanal, Brasil: Moenkhausia dichroura (Characiformes; Characidae)

... and fish community struc- ture of the Pantanal constitute a set of important tools to subsidize not only the sustainable exploration of the fishing resources, but also the regional development policy ...

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The protected areas system in Brazil as a baseline condition for wetlands management and fish conservancy: the example of the Pantanal National Park

The protected areas system in Brazil as a baseline condition for wetlands management and fish conservancy: the example of the Pantanal National Park

... controlling community dynamics in the ...in fish communities during hydrological cycle would occur, but the similarity found in the IBI PNP between the dry seasons of 2010 and 2011 suggests that the ...

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Braz. j. oceanogr.  vol.58 número especial 4

Braz. j. oceanogr. vol.58 número especial 4

... the fish community structure of five shallow reefs located off the cities of Santa Cruz de Cabrália and Porto Seguro (Araripe-AR, Itacipanema-IT, Alagados-AL, Naufrágio-NA and Recife de Fora Marine Park-RF ...

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