Low levels of reserve carbohydrates in reed (Phragmites australis) stands of Kis-Balaton, Hungary

Hana Čížková, Vera Istvánovics, V�clav Bauer, L�szl� Balázs

Research output: Contribution to journalArticle

17 Citations (Scopus)


Seasonal dynamics of concentrations of reserve carbohydrates (starch, sucrose, glucose, fructose and their sum denoted as total non-structural carbohydrates, TNC) were followed in five reed stands of Kis-Balaton wetland area in Hungary. The stands included three stands of tall and robust reed, situated in the Ingói area, and two stands of short and subtle reed situated in the downstream part. While both the seasonal pattern and the proportions of single carbohydrate species corresponded to findings for other sites, the absolute concentrations were markedly lower as compared to other European reed stands except lake Fentö in Hungary. The seasonal minimum values ranged from 54 to 87 mg g-1 dry weight. During the seasonal minimum, glucose reached the lowest concentrations (down to 0.01 mg g-1 dry weight) of all carbohydrates measured. The seasonal maximum concentrations of TNC reached 160-270 mg g-1 dry weight. Maximum TNC standing stock ranged from 240 to 520g m-2, and was depleted by 60-80% during the period of spring shoot growth. It is proposed that the remaining TNC pool may not suffice to support complete recovery after a subsequent catastrophic event.

Original languageEnglish
Pages (from-to)209-216
Number of pages8
JournalAquatic Botany
Issue number2-4
Publication statusPublished - Jan 1 2001


  • Glucose
  • Phragmites australis
  • Reed decline
  • Seasonal dynamics
  • Starch
  • Sucrose
  • Water depth
  • Wetland

ASJC Scopus subject areas

  • Aquatic Science
  • Plant Science

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