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Periphhyton and phytoplankton in the Soroksár-Danube in Hungary. I. Periphytic algae on reed stems

Szabó-Taylor, Katalin and Ács, Éva and Pápista, É. and Kiss, Keve Tihamér and Barreto, Sára and Makk, Judit (2005) Periphhyton and phytoplankton in the Soroksár-Danube in Hungary. I. Periphytic algae on reed stems. ACTA BOTANICA HUNGARICA, 43 (1). pp. 13-35. ISSN 0236-6495

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Abstract

Periphyton spamles from the reed-belt and phytoplankton samples were taken in November 1996 and in January, April, July 1997 at the upper part of the Soroksár-Danube (the second largest side arm of river Danube in Hungary) at Taksony, and in July, November 1998, January, April 1999 at the middle part of the side arm at Ráckeve. The aim of this study was to investigate the seasonal and vertical distribution of periphyton growing on old and green reed stemps at both parts of the side arm, focussed on taxonomic composition, abundance and chlorophyll a content. Based on the chloropyll a content of the phytoplankton the upper part of the side arm at Taksony was oligotrophic in November an July (in July caused by a flood), mesotrophic in Januray and eutrophic in April. The middle part of the Soroksár-Danube was eutrophic in April and July, oligotrophic in November and January at Ráckeve The values of abundance and chlorophyll a of periphyton were the highest at the middle part of Soroksár-Danube, while that of phytoplankton was the highest at the upper part. A few diamonts showed the same distribution along the reed stems. Relative abudance of Amphora libyca, Cocconeis placentula and Eunotia arcus increased close to the bottom, while that of Fomphonema minutum, G. paravulum, Navicula capitatoradiata and Nitzschia dissipata decreased.

Item Type: Article
Additional Information: eISSN: 1588-2578
Subjects: Q Science / természettudomány > QE Geology / földtudományok > QE08 Hydrosphere. Hydrology / hidroszféra, hidrológia
Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia
Depositing User: Erika Bilicsi
Date Deposited: 20 Feb 2013 09:57
Last Modified: 01 Jul 2022 11:56
URI: http://real.mtak.hu/id/eprint/4237

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