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Long term changes in the crustacean plankton of the shallow mediteranean lake


Ternjej, Ivančica; Kerovec, Mladen; Mihaljević, Zlatko; Plenković-Moraj, Anđelka
Long term changes in the crustacean plankton of the shallow mediteranean lake // INTERNATIONAL CONFERENCE ON LYMNOLOGY OF SHALLOW LAKES 2002 / Padisak, Judit (ur.).
Balatonfured, Hungary: Veszprem University, Hungary, 2002. (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Long term changes in the crustacean plankton of the shallow mediteranean lake

Autori
Ternjej, Ivančica ; Kerovec, Mladen ; Mihaljević, Zlatko ; Plenković-Moraj, Anđelka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
INTERNATIONAL CONFERENCE ON LYMNOLOGY OF SHALLOW LAKES 2002 / Padisak, Judit - Balatonfured, Hungary : Veszprem University, Hungary, 2002

Skup
International Conference on Limnology of Shallow Lakes

Mjesto i datum
Balatonfured, Hungary, 25-30.05.2002

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
zooplankton; fitoplankton; plitko mediteransko jezero
(zooplankton; phytoplankton; shallow Mediterranean lake)

Sažetak
Shallow Mediterranean lake Jezero has been affected by eutrofication in last four decade. In 1970 the lake has been a subject of phosphorus reduction program with bio manipulation techniques to decrease lake primary production. In the 1974 and 1976 herbivorous and planktivorous fish (silver carp, grass carp) were introduced in the lake. We measured the abundance and biomass of filter-feeding micro crustacean zooplankton, their grazing impact on phytoplankton biomass, and compared it with the results of prebiomanipulation state. Although the species composition remained the same, we observed a shift in the portion of certain taxa in total abundance of crustacean plankton. Large daphnias and calanoid copepods became dominant, while cyclopoid copepods and Bosmina became scarce. Phosphorus reduction lowered phytoplankton biomass, but submerged vegetation was also limited by the lack of phosphorus. Our results indicate that the importance of zooplankton grazing may have minor importance for the maintenance of the clear water state in the lake.

Izvorni jezik
Engleski

Znanstvena područja
Biologija



POVEZANOST RADA


Projekt / tema
0119146

Ustanove
Prirodoslovno-matematički fakultet, Zagreb

Citiraj ovu publikaciju

Ternjej, Ivančica; Kerovec, Mladen; Mihaljević, Zlatko; Plenković-Moraj, Anđelka
Long term changes in the crustacean plankton of the shallow mediteranean lake // INTERNATIONAL CONFERENCE ON LYMNOLOGY OF SHALLOW LAKES 2002 / Padisak, Judit (ur.).
Balatonfured, Hungary: Veszprem University, Hungary, 2002. (poster, međunarodna recenzija, sažetak, znanstveni)
Ternjej, I., Kerovec, M., Mihaljević, Z. & Plenković-Moraj, A. (2002) Long term changes in the crustacean plankton of the shallow mediteranean lake. U: Padisak, J. (ur.)INTERNATIONAL CONFERENCE ON LYMNOLOGY OF SHALLOW LAKES 2002.
@article{article, editor = {Padisak, J.}, year = {2002}, pages = {120}, keywords = {zooplankton, phytoplankton, shallow Mediterranean lake}, title = {Long term changes in the crustacean plankton of the shallow mediteranean lake}, keyword = {zooplankton, phytoplankton, shallow Mediterranean lake}, publisher = {Veszprem University, Hungary}, publisherplace = {Balatonfured, Hungary} }