Vertical distribution of fauna in the bed sediment of gravel stream (Czech Republic)
OMESOVÁ, Marie and Jan HELEŠIC. Vertical distribution of fauna in the bed sediment of gravel stream (Czech Republic). In Symposium RIVER BOTTOM VI Brno, Book of abstrakts. 1st ed. Brno: Masarykova Universita Brno, 2005, p. 42. |
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Basic information | |
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Original name | Vertical distribution of fauna in the bed sediment of gravel stream (Czech Republic) |
Name in Czech | Vertikální distribuce fauny v dnových sedimentech štěrkového toku |
Authors | OMESOVÁ, Marie (203 Czech Republic, guarantor) and Jan HELEŠIC (203 Czech Republic). |
Edition | 1. vyd. Brno, Symposium RIVER BOTTOM VI Brno, Book of abstrakts, p. 42-42, 2005. |
Publisher | Masarykova Universita Brno |
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Original language | English |
Type of outcome | Proceedings paper |
Field of Study | 10600 1.6 Biological sciences |
Country of publisher | Czech Republic |
Confidentiality degree | is not subject to a state or trade secret |
RIV identification code | RIV/00216224:14310/05:00012850 |
Organization unit | Faculty of Science |
Keywords in English | invertebrates; bed sediment; vertical distribution |
Tags | bed sediment, invertebrates, vertical distribution |
Tags | International impact |
Changed by | Changed by: doc. RNDr. Jan Helešic, Ph.D., učo 580. Changed: 16/11/2006 09:31. |
Abstract |
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Vertical distribution of sediment dwelling invertebrates was studied in the Loučka River (Czech Republic) in 2002 - 2003 with use of the freeze-coring method. Cores were taken at three different sites in the riverbed from the surface layer to the depth of 70 cm. The densities of the main taxonomic groups of invertebrates were assessed for each 10 cm depth layer. In general, most invertebrates were concentrated in the upper 30 cm layer, but the vertical distribution differed among the invertebrate groups and also within the site and date. The influences of temperature, discharge, water level, and sediment size composition were taken into account to explain these differences and to describe the seasonal changes in vertical distribution. |
Abstract (in Czech) |
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Vertical distribution of sediment dwelling invertebrates was studied in the Loučka River (Czech Republic) in 2002 - 2003 with use of the freeze-coring method. Cores were taken at three different sites in the riverbed from the surface layer to the depth of 70 cm. The densities of the main taxonomic groups of invertebrates were assessed for each 10 cm depth layer. In general, most invertebrates were concentrated in the upper 30 cm layer, but the vertical distribution differed among the invertebrate groups and also within the site and date. The influences of temperature, discharge, water level, and sediment size composition were taken into account to explain these differences and to describe the seasonal changes in vertical distribution. |
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GA206/02/0902, research and development project | Name: Životní strategie meio-makrozoobentosu tekoucích vod |
Investor: Czech Science Foundation, Life strategy of stream meio-macroinvertebrates | |
MSM0021622416, plan (intention) | Name: Diverzita biotických společenstev a populací: kauzální analýza variability v prostoru a čase |
Investor: Ministry of Education, Youth and Sports of the CR, Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time |
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