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Occurrence of Anabaenopsis raciborskii Wolosz. in the pond Tómalom near Sopron, Hungary

Padisák, Judit (1990) Occurrence of Anabaenopsis raciborskii Wolosz. in the pond Tómalom near Sopron, Hungary. ACTA BOTANICA HUNGARICA, 36. pp. 163-165. ISSN 0236-6495 (print), 1588-2578 (online)

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Abstract

A dense population of the n(2)-fixing blue-green alga Anabaenopsis raciborskii Wolosz. was found in the euthropic pond Tómalom, west Hungary. Trichomes: 50-150 µm long, straight or slightly curved rarely up to half-circle; vegetative cells: 1,8-2,2 x 5,5-10,0 µm, cylindrical, slightly constricted at cross walle, with small granules, terminal vegetative cells are growing narrow towards the end of the trichomes; heterocysts: 2,2-2,5 x 4,0-9,0 µm, always in the end of the trochimes, definitely drop-like shape; spores: only one spore was found in the whole material, 4 x 16 µm, long-oval shape, large granules inside. A continous overlap was observed between the typical A. raciborskii and A. raciborskii var. serians (Presc.) Hamar. The accumulation of records on A. raciborskii suggests that a blomm-forming blue-greean alga is expanding in Europe.

Item Type: Article
Subjects: Q Science / természettudomány > QE Geology / földtudományok > QE08 Hydrosphere. Hydrology / hidroszféra, hidrológia
Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia
Q Science / természettudomány > QK Botany / növénytan
Depositing User: Erika Bilicsi
Date Deposited: 25 Oct 2012 08:12
Last Modified: 25 Oct 2012 08:12
URI: http://real.mtak.hu/id/eprint/3200

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