E-mail: rmkikuchi yahoo. The distribution pattern of aquatic organisms results from the interaction of the habit, the physical conditions of the habitat substrate, flow, turbulence and the food availability. The purpose of this study is to know the composition and to understand the pattern of distribution of the animal community of a tropical stream. When analyzed the occurrence in different types of substrate - vegetal, rocky and sandy - we found a larger density in the rocky substrate and larger diversity in the vegetal substrate. In the three substrata, the invertebrates of the class Insecta, and mainly the order Diptera, prevailed in abundance and diversity of species.
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E-mail: rmkikuchi yahoo. The distribution pattern of aquatic organisms results from the interaction of the habit, the physical conditions of the habitat substrate, flow, turbulence and the food availability. The purpose of this study is to know the composition and to understand the pattern of distribution of the animal community of a tropical stream. When analyzed the occurrence in different types of substrate - vegetal, rocky and sandy - we found a larger density in the rocky substrate and larger diversity in the vegetal substrate.
In the three substrata, the invertebrates of the class Insecta, and mainly the order Diptera, prevailed in abundance and diversity of species. Of this order, in the vegetal and rocky substrate prevailed the families Chironomidae and Simuliidae and in the sediment, the family Chironomidae.
Between the Chironomidae was found several genera, with many individuals, of the subfamily Ortocladiinae. Key words: Macroinvertebrates, lotic environment, distribution, substrate, ordination. Em geral, pedras grandes constituem um substrato mais complexo, com uma fauna de invertebrados mais diversa. Um total de seis coletas durante o ano foram realizadas, a intervalos de dois meses cada, perfazendo 18 amostras por substrato. Para o sedimento, o volume foi o do frasco utilizado na coleta cm 3.
Quando calculada a densidade relativa Fig. Na Fig. Sucullion et al. Boulton et al. Segundo Boulton et al. Segundo Brennan et al. Doeg et al. Hawkins et al. Segundo Lenat et al. Segundo Tikkanen et al. Segundo Short et al. Sanseverino et al. Segundo Sanseverino et al. Allan, J. Stream ecology. Structure and function of running waters. Studies on ultimate instar larvae of neotropical Gomphidae, with the description of Tibiagomphus gen.
Odonatologica 21 Macroinvertebrate distribution and recolonization on stones subjected to varying degrees of disturbance: an experimental approach. Particulate material and midge larvae Chironomidae: Diptera in an upland river. Hydrobiologia 59 Comparison of benthic invertebrates between riffles and pools. Description of the larva of Neuraeschna costalis Burmeister , with notes on its biology, and a key to the genera of Brasilian Aeshnidae larvae Anisoptera.
Larvas de Coleoptera do Brasil. Structural changes of the macroinvertebrate community in a tropical river. Microhabitat as a determinant of diversity: stream invertebrates colonizing leaf packs. Freshwater Biol. Experimental colonization of sand, gravel and stones by macroinvertebrates in the Acheron River, southeastern Australia. The distributional relationship between the botton fauna and plant detritus in streams.
Identification manual for the larval Chironomidae Diptera of Florida. Department of environmental Regulation, Tallahasse-Florida.
Studies on Brasilian Plecoptera 1. Substrate - mediated response of stream invertebrates to disturbance. Ecology 65 Density of fish and salamanders in relation to riparian canopy and physical habitat in streams of the northwestern United States. The ecology of running waters. Nessimian, J.
Series Oecologia Brasiliensis, vol. Rio de Janeiro, Brasil. Variable effects of sediment addition on stream benthos. Metodologias para su estudio. Ediciones Sur. Seasonal variation in standing crop and species diversity of insects communities in a small Quebec stream. An introdution to the identification of Chironomid Larvae. Environmental Protection Agency, Cincinnati, Ohio, 90 p. An introdution to the aquatic insects of North America. Microdistribution of benthic invertebrates in a Rocky Mountain U.
Hydrobiologia 55 Secondary production of epilithic fauna in a woodland stream. The American Midland Naturalist The micro-distribution of aquatic macroinvertebrates in the Wye river system: the result of abiotic or biotic factors?. The ecology of tropical lakes and rivers. Freshwater invertebrates of the United States.
Protozoa to Mollusca. Editorial Presencia Ltda. Spatial and temporal variation in littoral-zone benthic invertebrates from three south-central Ontario lakes. The ecology of aquatic insects. Immature Insects. Comparison of benthic macroinvertebrate fauna and substratum compositon in riffles and pools in the impounded River Elan and the unreguladed River Wye, mid-Wales.
Detrital processing and associated macroinvertebrates in a Colorado mountain stream. The relation between "hydraulic stress" and microdistribution of benthic macroinvertebrates in a lowland running water system, the Schierenseebrooks North Germany.
Stream hydraulic as a major determinant of benthic invertebrate zonation patters. In: Data analysis in community and landscape ecology.
Jongman, R. A theory of gradient analysis. Short-term recovery of benthos following disturbance from stream habitat rehabilitation. Acta Limnol. Long-term comparisons of insect abundances in disturbed and undisturbed Appalachian headwater streams. Chironomidae of the Holartic region - Keys and diagnoses Part 1 - Larvae. An assessment of biological interations in a epilithic stream community using time-lapse cinematography. Colonization of artificial substrates by stream insects: influence of substrate size and diversity.
A preliminary classification of running-water sites in Great Britain based on macro-invertebrate species and the prediction of community type using environmental data. Services on Demand Journal. Resultados 1. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. How to cite this article.
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