Zooplankton structure in two interconnected ponds: similarities and differences
The research of zooplankton diversity, abundance and trophic structure was conducted during the summer period in pelagial zone on the longitudinal profile of the Sutla River Backwater. Investigated site consists of two interconnected basins: transparent Upper Basin with submerged macrophytes and tur...
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doaj-040ac39868de417c91663f274dcce6692021-09-06T19:19:39ZengSciendoCroatian Journal of Fisheries1848-05862016-03-0174161310.1515/cjf-2016-0002cjf-2016-0002Zooplankton structure in two interconnected ponds: similarities and differencesŠpoljar Maria0Tomljanović Tea1Dražina Tvrtko2Lajtner Jasna3Štulec Helena4Matulić Daniel5Fressl Jelena6University of Zagreb, Faculty of Science, Department of Biology, Zoology, Zagreb, CroatiaUniversity of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Zagreb, CroatiaUniversity of Zagreb, Faculty of Science, Department of Biology, Zoology, Zagreb, CroatiaUniversity of Zagreb, Faculty of Science, Department of Biology, Zoology, Zagreb, CroatiaMinistry of construction and physical planning, Directorate for construction and energy efficiency in the buildings sector, Zagreb, CroatiaUniversity of Zagreb, Faculty of Agriculture, Department of Fisheries, Beekeeping, Game Management and Special Zoology, Zagreb, CroatiaDvokut ECRO Ltd., Zagreb, CroatiaThe research of zooplankton diversity, abundance and trophic structure was conducted during the summer period in pelagial zone on the longitudinal profile of the Sutla River Backwater. Investigated site consists of two interconnected basins: transparent Upper Basin with submerged macrophytes and turbid Lower Basin without macrophytes in the littoral zone. In the Upper Basin, abundance and diversity of zooplankton in the pelagial was higher in comparison to the Lower Basin, with prevailing species of genus Keratella as microfilter-feeder, and genera of Polyartha and Trihocerca as macrofilter-feeder rotifers. On the contrary, in the Lower Basin, crustaceans dominated in abundance. Microfilter-feeder cladoceran (Bosmina longirostris) and larval and adult stages of macrofilter-feeder copepod (Macrocyclops albidus) prevailed in the Lower Basin. Fish predation pressure was more pronounced in the pelagial of the Upper Basin, indicated by low cladoceran abundance in the surface layer. Although the studied basins were interconnected, results indicate significant (Mann-Whitney U test, p < 0.05) differences in the zooplankton structure as a potential result of the macrophyte impact on environmental conditions and fish predation pressure.https://doi.org/10.1515/cjf-2016-0002submerged macrophytestransparencyturbiditypredationfish |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Špoljar Maria Tomljanović Tea Dražina Tvrtko Lajtner Jasna Štulec Helena Matulić Daniel Fressl Jelena |
spellingShingle |
Špoljar Maria Tomljanović Tea Dražina Tvrtko Lajtner Jasna Štulec Helena Matulić Daniel Fressl Jelena Zooplankton structure in two interconnected ponds: similarities and differences Croatian Journal of Fisheries submerged macrophytes transparency turbidity predation fish |
author_facet |
Špoljar Maria Tomljanović Tea Dražina Tvrtko Lajtner Jasna Štulec Helena Matulić Daniel Fressl Jelena |
author_sort |
Špoljar Maria |
title |
Zooplankton structure in two interconnected ponds: similarities and differences |
title_short |
Zooplankton structure in two interconnected ponds: similarities and differences |
title_full |
Zooplankton structure in two interconnected ponds: similarities and differences |
title_fullStr |
Zooplankton structure in two interconnected ponds: similarities and differences |
title_full_unstemmed |
Zooplankton structure in two interconnected ponds: similarities and differences |
title_sort |
zooplankton structure in two interconnected ponds: similarities and differences |
publisher |
Sciendo |
series |
Croatian Journal of Fisheries |
issn |
1848-0586 |
publishDate |
2016-03-01 |
description |
The research of zooplankton diversity, abundance and trophic structure was conducted during the summer period in pelagial zone on the longitudinal profile of the Sutla River Backwater. Investigated site consists of two interconnected basins: transparent Upper Basin with submerged macrophytes and turbid Lower Basin without macrophytes in the littoral zone. In the Upper Basin, abundance and diversity of zooplankton in the pelagial was higher in comparison to the Lower Basin, with prevailing species of genus Keratella as microfilter-feeder, and genera of Polyartha and Trihocerca as macrofilter-feeder rotifers. On the contrary, in the Lower Basin, crustaceans dominated in abundance. Microfilter-feeder cladoceran (Bosmina longirostris) and larval and adult stages of macrofilter-feeder copepod (Macrocyclops albidus) prevailed in the Lower Basin. Fish predation pressure was more pronounced in the pelagial of the Upper Basin, indicated by low cladoceran abundance in the surface layer. Although the studied basins were interconnected, results indicate significant (Mann-Whitney U test, p < 0.05) differences in the zooplankton structure as a potential result of the macrophyte impact on environmental conditions and fish predation pressure. |
topic |
submerged macrophytes transparency turbidity predation fish |
url |
https://doi.org/10.1515/cjf-2016-0002 |
work_keys_str_mv |
AT spoljarmaria zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT tomljanovictea zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT drazinatvrtko zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT lajtnerjasna zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT stulechelena zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT matulicdaniel zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences AT fressljelena zooplanktonstructureintwointerconnectedpondssimilaritiesanddifferences |
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1717778124753600512 |