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Weather variables as predictors of Sphagnum growth on a bog
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecological Botany.
1988 (English)In: Holarctic Ecology, Vol. 11, 146-150 p.Article in journal (Refereed) Published
Abstract [en]

When surrounded by growing Sphagnum the rhizomes of Scirpus cespitosus grow vertically upwards in pace with the Sphagnum. It was found that there is a considerablevariation in rhizome growth between years and it is assumed that this variation is determined by variation in Sphagnum growth. The latter variation is assumed to be dependent on the weather. Simple and multiple regression analysis of rhizome growth on various weather variables gave the following results:(1) Moisture conditions are decisive for the growth. (2) The distribution in time of the moisture is more important than mean values from a certain period. (3) Although moisture in June and Augus tof the current year was important, the moisture conditions of August of the previous year explained ca 60% of the variation. (4) A combination of the two variables Birot's wetness index in August of the previous year and the same index in current June gave r2 = 0.80.

Place, publisher, year, edition, pages
1988. Vol. 11, 146-150 p.
National Category
Natural Sciences
Research subject
Ecological Botany
URN: urn:nbn:se:uu:diva-198861OAI: oai:DiVA.org:uu-198861DiVA: diva2:618375
Available from: 2013-04-26 Created: 2013-04-26 Last updated: 2014-06-14

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Backéus, Ingvar
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