Can seasonal variation in fen water chemistry influence the reliability of vegetation-environment analyses?

HÁJEK, Michal and Petr HEKERA. Can seasonal variation in fen water chemistry influence the reliability of vegetation-environment analyses? Preslia. 2004, vol. 76, No 1, p. 1-14. ISSN 0032-7786.

Basic information

• Original name: Can seasonal variation in fen water chemistry influence the reliability of vegetation-environment analyses?
• Name in Czech: Může sezónní variabilita chemismu vody na slatiništích ovlivnit spolehlivost vegetačně-stanovištních analýz?
• Authors: HÁJEK, Michal (203 Czech Republic, guarantor) and Petr HEKERA (203 Czech Republic).
• Edition: Preslia, 2004, 0032-7786.

Other information

• Original language: English
• Type of outcome: Article in a journal
• Field of Study: 10600 1.6 Biological sciences
• Country of publisher: Czech Republic
• Confidentiality degree: is not subject to a state or trade secret
• RIV identification code: RIV/00216224:14310/04:00019259
• Organization unit: Faculty of Science
• UT WoS: 000220675600001
• Keywords in English: anion and cation concentration; bog; central Europe; fen meadow; mire; nutrient availability; seasonal variation; spring; Western Carpathians; wetlands
• Tags: anion and cation concentration, bog, Central Europe, fen meadow, mire, nutrient availability, seasonal variation, spring, Western Carpathians, wetlands

Abstract

Temporal variation in fen water chemistry was studied in the Western Carpathian flysch zone (Czech Republic, Slovakia). Ten sites representing particular spring-fen type (tufa-forming fens, rich fens, spring-fen meadows, rich Sphagnum-fens, poor Sphagnum-fens) were studied. Water chemistry was determined three times a year (spring, summer, autumn) for 3 years. Water pH and conductivity were the most stable of the measured variables. Na+, K+, Ca2+ and SO42- were also relatively stable. On the contrary, NO3-, Cl-, Fe, PO43- and redox-potential temporally varied. These fluctuating, unstable variables explained very low or insignificant amounts of the variation in plant species data in our study area, possibly because of their instability. The separation of sites along PCA axis is clearest in the ordination of the autumnal data set. Major vegetation types were separated in PCA even when data from all three seasons were pooled.

Abstract (in Czech)

Práce se zabývá otázkou, zda může sezónní variabilita chemismu vody na slatiništích ovlivnit spolehlivost vegetačně-stanovištních analýz.

Links

• AV0Z6005908, plan (intention): Name: Biodiverzita rostlin: její variabilita, vývoj a funkce na úrovni organismů, společenstev a ekosystémů; její kulturní aspekty; využití v Průhonickém parku
• GA206/02/0568, research and development project: Name: Ekologie a paleoekologie prameništních mokřadů západní části Karpat

Investor: Czech Science Foundation, Ecology and palaeoecology of spring wetlands in the western part of the Carpathians

• MSM 143100010, plan (intention): Name: Časoprostorová dynamika biodiverzity v ekosystémech střední Evropy.

Investor: Ministry of Education, Youth and Sports of the CR, Spatiotemporal biodiversity dynamics in ecosystems of Central Europe