Structure and production of the metazoan zooplankton in Lake Balaton (Hungary) in summer

Parpală, Laura; Tóth, László; Zinevici, Victor; Németh, Péter; Szalontai, Krisztina

doi:10.1023/b:hydr.0000008576.81799.bd

Cited by 6 publications

(5 citation statements)

References 11 publications

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“…Small bodied daphnids as Daphnia cucullata and D. galeata, and their hybrid inhabit the lake, yet their density is not significant (Nédli et al, 2005). The recent plankton of the lake is dominated by Copepods (Parpala et al, 2003;Istvánovics et al, 2007). Lake water is very turbid particularly in summer owing to sediment resuspension and calcite precipitation in association with high primary production (Istvánovics et al, 2004(Istvánovics et al, , 2007.…”

Section: Bosmina Spp and Fishesmentioning

confidence: 99%

Paleolimnological reconstruction of the trophic state in Lake Balaton (Hungary) using Cladocera remains

et al. 2011

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The sediment of Lake Balaton (Hungary) provides important information about the lake's history, particularly with regard to eutrophication. In this study, we used fossil pigment analysis and subfossil Cladocera remains preserved in a dated sediment core to identify trophic stages from *250 BC to present. Dates of the most recent eutrophic events are in good agreement with previously published data. In general, the abundance and diversity of the Cladocera community increased with eutrophication and decreased with oligotrophication. The sediments of Lake Balaton were characterised by Chydoridae remains, of which Alona species were the most abundant. Of these, Alona quadrangularis and Alona affinis accounted for 40 and 20% of the total Cladocera remains, respectively.

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Section: Bosmina Spp and Fishesmentioning

confidence: 99%

Paleolimnological reconstruction of the trophic state in Lake Balaton (Hungary) using Cladocera remains

et al. 2011

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“…In Eastern Europe, zooplankton have been routinely sampled since the 1950s, and in Estonia, for example, zooplankton have been monitored regularly since the 1960s in large Lake Peipsi and Lake Võrtsjärv. Zooplankton have traditionally also had a prominent position in lake status assessment in Russia (Andronikova, 1996), Hungary (Parpalȃ et al, 2003), Poland (Karabin, 1985;Radwan & Popiołek, 1989), and several other East European countries.…”

Section: Introductionmentioning

confidence: 99%

Zooplankton as indicators in lakes: a scientific-based plea for including zooplankton in the ecological quality assessment of lakes according to the European Water Framework Directive (WFD)

et al. 2011

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With the implementation of the EU Water Framework Directive (WFD), the member states have to classify the ecological status of surface waters following standardised procedures. It was a matter of some surprise to lake ecologists that zooplankton were not included as a biological quality element (BQE) despite their being considered to be an important and integrated component of the pelagic food web. To the best of our knowledge, the decision of omitting zooplankton is not wise, and it has resulted in the withdrawal of zooplankton from many so-far-solid monitoring programmes. Using examples from particularly Danish, Estonian, and the UK lakes, we show that zooplankton (sampled from the water and the sediment) have a strong indicator value, which cannot be covered by sampling fish and phytoplankton without a very comprehensive and costly effort. When selecting the right metrics, zooplankton are cost-efficient indicators of the trophic state and ecological quality of lakes. Moreover, they are important indicators of the success/ failure of measures taken to bring the lakes to at least good ecological status. Therefore, we strongly recommend the EU to include zooplankton as a central BQE in the WFD assessments, and undertake similar regional calibration exercises to obtain relevant and robust metrics also for zooplankton as is being done at present in the cases of fish, phytoplankton, macrophytes and benthic invertebrates.

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“…The dominance of large cladocerans in presence of suspended particles was also reported by MCCABE andO'BRIEN (1983) andBUCHHOLZ (1996). Also the higher cyclopoid densities measured in CM compared to those in CS could be explained by the ability of these taxa to select food particles in mixed suspension of mineral particles (PARPALA et al, 2003). At the same time, inorganic turbidity decreases the prey detection by visually hunting predators (GARDNER, 1981), resulting in a lower predation pressure of fish on larger zooplankters, like daphnids and cyclopoids.…”

Section: Discussionmentioning

confidence: 95%

Zooplankton Community Structure and Inter‐Annual Dynamics in Two Sand‐Pit Lakes with Different Dredging Impact

Tavernini

Viaroli

Rossetti

2009

International Review of Hydrobiology

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Zooplankton seasonal and inter-annual dynamics were investigated in two neighbouring sand-pit lakes with similar morphological features but different exploitation regime. We hypothesized that the dredging activities affected the zooplankton communities and the hydrochemical conditions of the studied lakes. Significant differences in zooplankton abundance were found. The analysis of similarity (ANOSIM) revealed that plankton communities were different between lakes and that the microcrustaceans largely contributed to the average dissimilarity. In particular, the lower densities of cladocerans and the presence of large-size species in the lake still under dredging during this study appeared to be related to the resuspension of sand in the water column. We report how the zooplankton communities evolved toward an higher taxonomical and functional diversity after conclusion of the dredging activities.

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Structure and production of the metazoan zooplankton in Lake Balaton (Hungary) in summer

Cited by 6 publications

References 11 publications

Paleolimnological reconstruction of the trophic state in Lake Balaton (Hungary) using Cladocera remains

Paleolimnological reconstruction of the trophic state in Lake Balaton (Hungary) using Cladocera remains

Zooplankton as indicators in lakes: a scientific-based plea for including zooplankton in the ecological quality assessment of lakes according to the European Water Framework Directive (WFD)

Zooplankton Community Structure and Inter‐Annual Dynamics in Two Sand‐Pit Lakes with Different Dredging Impact

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