• Nenhum resultado encontrado

Trophic guilds

Effects of the flood regime on the body condition of fish of different trophic guilds in the Upper Paraná River floodplain, Brazil

Effects of the flood regime on the body condition of fish of different trophic guilds in the Upper Paraná River floodplain, Brazil

... different trophic guilds; this was done without intending ...some trophic guilds are composed of species with dif- ferent reproductive strategies, dietary flexibility, or even tolerance to ...

11

Longitudinal use of feeding resources and distribution of fish trophic guilds in a coastal Atlantic stream, southern Brazil

Longitudinal use of feeding resources and distribution of fish trophic guilds in a coastal Atlantic stream, southern Brazil

... fish trophic guilds, some studies, based on differences between the input of allochthonous matter and autochthonous productivity, have found, like a continuous, proportional changes from generalist ...

12

Diet and trophic guilds of fish assemblages in two streams with different anthropic impacts in the northwest of Paraná, Brazil

Diet and trophic guilds of fish assemblages in two streams with different anthropic impacts in the northwest of Paraná, Brazil

... For the Morangueiro stream, three trophic guilds were es- tablished: detritivorous/aquatic insectivorous, comprised of P. reticulata and C. aeneus, both of which consumed detritus along with aquatic ...

12

Trophic guilds of fishes in sandbank habitats of a Neotropical river Poliana Ribeiro Pereira, Carlos Sérgio Agostinho, Rafael José de Oliveira and Elineide Eugênio Marques

Trophic guilds of fishes in sandbank habitats of a Neotropical river Poliana Ribeiro Pereira, Carlos Sérgio Agostinho, Rafael José de Oliveira and Elineide Eugênio Marques

... the trophic structure of the community of fishes exploiting riverine sandbank ...main trophic guilds grouped the local ichthyofauna according to ...the guilds, were the predominant food in ...

6

Fragment edge and isolation affect the food web: effects on the strength of interactions among trophic guilds

Fragment edge and isolation affect the food web: effects on the strength of interactions among trophic guilds

... among trophic guilds (Tables 1 and 3, Figure ...lowest trophic level (rodents, Appendix 4) and negatively affected intermediate and top predators (mammals, Appendix ...

11

Spatiotemporal diversity, structure and trophic guilds of insect assemblages in a semi-arid Sabkha ecosystem

Spatiotemporal diversity, structure and trophic guilds of insect assemblages in a semi-arid Sabkha ecosystem

... functional trophic groups is crucial to outlining the structure of food webs and, accordingly, identifying any perturbation in the ecosystem functioning (Chesson & Huntly, 1997; Gascon et ...

26

Repositório Institucional da UFPA: Composition of functional ecological guilds of the fish fauna of the internal sector of the Amazon Estuary, Pará, Brazil

Repositório Institucional da UFPA: Composition of functional ecological guilds of the fish fauna of the internal sector of the Amazon Estuary, Pará, Brazil

... or guilds of fish have been recognized in estuaries (Elliott et ...the guilds in transitional water is useful for identifying different water body types for which specific biological reference conditions ...

18

Programa de Pós-graduação em Ecologia – PPG Ecologia, Universidade Federal do Rio Grande do Sul – UFRGS, CEP 91501-970, Porto Alegre, RS, Brazil e-mail: isadorapagelgmail.com

Programa de Pós-graduação em Ecologia – PPG Ecologia, Universidade Federal do Rio Grande do Sul – UFRGS, CEP 91501-970, Porto Alegre, RS, Brazil e-mail: isadorapagelgmail.com

... the trophic guilds provide relevant information about the ecosystem function and may be affected by habitat availability and other changes in the ecosystems (Callisto et ...

6

B iological L imnolog y

B iological L imnolog y

... Numerous studies of temperate lakes have revealed the existence of top-down forces, with emphasis on control by fish on the composition and abundance of zooplankton and phytoplankton (Gliwicz and Pijanowska, 1989; Vanni ...

11

Luiz Ricardo de Souza Paiva

Luiz Ricardo de Souza Paiva

... to trophic (guilds), spatial (habitats) and phylogenetic (taxonomic distances) ...and trophic guilds and between morphology and taxonomy were found, while morphology and habitat revealed a ...

18

Flow seasonality and fish assemblage in a tropical river, French Guiana, South America

Flow seasonality and fish assemblage in a tropical river, French Guiana, South America

... behavior, trophic guilds of species were determined from material collected in this study (August 1998 to July 2000) and from samples collected along the same period for other purposes in other French ...

10

Composition of functional ecological guilds of the fish fauna of the internal sector of the Amazon Estuary, Pará, Brazil

Composition of functional ecological guilds of the fish fauna of the internal sector of the Amazon Estuary, Pará, Brazil

... environmental guilds differed markedly among areas: Migrants and Freshwater Stragglers were dominant in the Guamá River and the Guajará Bay, while Estuarine, Marine Stragglers and Migrants predominated in the ...

18

FOOD RESOURCES SUSTAINING THE FISH FAUNA IN A SECTION OF THE UPPER SÃO FRANCISCO RIVER IN TRÊS MARIAS, MG, BRAZIL

FOOD RESOURCES SUSTAINING THE FISH FAUNA IN A SECTION OF THE UPPER SÃO FRANCISCO RIVER IN TRÊS MARIAS, MG, BRAZIL

... Five trophic guilds were established, in the following order of importance: ilyophagous, herbivorous, piscivorous, terrestrial invertebrates feeders, and aquatic invertebrates ...

8

The Multiple Impacts of Tropical Forest Fragmentation on Arthropod Biodiversity and on their Patterns of Interactions with Host Plants.

The Multiple Impacts of Tropical Forest Fragmentation on Arthropod Biodiversity and on their Patterns of Interactions with Host Plants.

... three trophic guilds (herbivores, omnivores and predators) contributed equally to the structuring of the nested ...or trophic guilds increase or decrease the network’s overall nestedness ...

15

The structure of bird communities in areas revegetated after mining in southern Brazil

The structure of bird communities in areas revegetated after mining in southern Brazil

... composition, trophic guilds, and forest dependence) in areas of diferent ages (5, 10, and 20 years) that were revegetated after mining with a single species of native tree (Mimosa ...

14

Trophic structure of fish fauna along the longitudinal gradient of a first-order rural stream

Trophic structure of fish fauna along the longitudinal gradient of a first-order rural stream

... of trophic guilds is probably associated with the spatial scale ...generalist guilds and that the patterns presented here may be reflecting just the results of the high watershed ...

13

Abundance of epigaeic arthropods in a Brazilian savanna under different fire frequencies

Abundance of epigaeic arthropods in a Brazilian savanna under different fire frequencies

... and trophic guilds was assessed in cerrado sites located in the Brazilian Central Plateau that were subjected to three burning frequencies: frequent (HighFi), intermediary (MidFi), and infrequent ...

7

FEEDING BIOLOGY OF A GUILD OF BENTHIVOROUS FISHES IN A SANDY SHORE ON SOUTH-EASTERN BRAZILIAN COAST

FEEDING BIOLOGY OF A GUILD OF BENTHIVOROUS FISHES IN A SANDY SHORE ON SOUTH-EASTERN BRAZILIAN COAST

... Due to an increase in mouth size, larger fishes consume prey larger than do juveniles (Stergiou & Fourtouni, 1991; Platell et al., 1998). However, this does not apply to U. coroides in our study, as the amphipods ...

8

Effect of the insecticide Lambda-cyhalothrin on rice spider populations in southern Brazil

Effect of the insecticide Lambda-cyhalothrin on rice spider populations in southern Brazil

... Weaving spiders were more abundant (73.9%) than hunt- ers (26.1%) overall, although the treatment had a strong effect (Fig. 6). Guild abundance varied between treatments, among areas, and with days after insecticide ...

8

EUROPEAN JOURNAL OF ENTOMOLOGY

EUROPEAN JOURNAL OF ENTOMOLOGY

... The dependent variables considered were: (1) total abundance of spiders, (2) total species richness, (3) abundance of adults, (4) abundance of immatures and (5) abundance of functional groups (i.e., six guilds) ...

8

Show all 238 documents...

temas relacionados