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@article{724431,
author = {Omesová, Marie and Helešic, Jan},
article_location = {Weinheim},
article_number = {4 - 5},
keywords = {gravel bar; streamline; freeze core; fine grains; organic carbon},
language = {eng},
issn = {1434-2944},
journal = {International Review of Hydrobiology},
title = {Vertical Distribution of Invertebrates in Bed Sediments of a Gravel Stream in the Czech Republic},
volume = {92 - 2007},
year = {2007}
}
TY - JOUR
ID - 724431
AU - Omesová, Marie - Helešic, Jan
PY - 2007
TI - Vertical Distribution of Invertebrates in Bed Sediments of a Gravel Stream in the Czech Republic
JF - International Review of Hydrobiology
VL - 92 - 2007
IS - 4 - 5
SP - 480-490
EP - 480-490
PB - WILEY-VCH Verlag GmbH & Co. KGaA
SN - 14342944
KW - gravel bar
KW - streamline
KW - freeze core
KW - fine grains
KW - organic carbon
N2 - The vertical distribution of invertebrates in bed sediments was studied in a gravel stream in the hercynian region of Central Europe, using freeze-cores to the depth of 70 cm at two sites with different flow conditions, taken on five occasions. About 78% of invertebrates were concentrated in the upper 20 cm layer. The invertebrate communities at the two sites varied in abundance, diversity, vertical distribution and stability of vertical distribution with time. Densities of invertebrates were not limited by fine grain content and showed a site-specific relationship with organic carbon content. Depth optima of invertebrates were negatively correlated with surface water temperature, but not with measured hydraulic parameters. Among individual taxa, Nematoda showed the deepest depth optimum.
ER -
OMESOVÁ, Marie a Jan HELEŠIC. Vertical Distribution of Invertebrates in Bed Sediments of a Gravel Stream in the Czech Republic. \textit{International Review of Hydrobiology}. Weinheim: WILEY-VCH Verlag GmbH \&{} Co. KGaA, 2007, roč.~92 - 2007, 4 - 5, s.~480-490. ISSN~1434-2944.
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