Stream section types of the Danube River in Serbia according to the distribution of macroinvertebrates

The aim of this study was to use the data on the distribution of aquatic macroinvertebrates obtained from 14 sites within a 413 km long stretch of the Danube River in Serbia to show the relevance of the bordering zone between the Middle and Lower Danube. A total of 68 macroinvertebrate taxa were obs...

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Bibliographic Details
Published in:Biológia 2013-04, Vol.68 (2), p.294-302
Main Authors: Tubic, Bojana P, Simic, Vladica M, Zoric, Katarina S, Gacic, Zoran M, Atanackovic, Ana D, Csanyi, Bela J, Paunovic, Momir M
Format: Article
Language:English
Subjects:
aquatic macroinvertebrates
bioindication
Biomedical and Life Sciences
Cell Biology
cluster analysis
correlation
Danube River
Freshwater
Iron Gate
Life Sciences
Lithoglyphus naticoides
macroinvertebrates
Microbiology
Mollusca
molluscs
Plant Sciences
river section types
Section Zoology
species diversity
Unio tumidus
Zoology
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Summary:The aim of this study was to use the data on the distribution of aquatic macroinvertebrates obtained from 14 sites within a 413 km long stretch of the Danube River in Serbia to show the relevance of the bordering zone between the Middle and Lower Danube. A total of 68 macroinvertebrate taxa were observed. Molluscs were the major component with regard to species richness and relative abundance. Lithoglyphus naticoides (C. Pfeiffer, 1828) was the most abundant species and Unio tumidus (Retzius, 1788) was the most frequent species. Product-moment correlation coefficients or Pearson r coefficient was used to analyse the relation between the sites based on macroinvertebrate distribution. The data obtained by product-moment correlation served as input for cluster analyses. According to a cluster analyses Danube River in Serbia could be separated in the free-flowing sector, the stretch with a backwater effect and the area of the Iron Gate.
ISSN:0006-3088
1336-9563
DOI:10.2478/s11756-013-0152-z