Seven years of change following liming of sphagnum communities in sector vii of the loch fleet catchment

O. M. Bragg, R. S. Clymo

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11 Citations (Scopus)

Abstract

In 1986, application of lime within the upper wetland area of sector VII of the Loch Fleet catchment initiated numerous unscheduled small-scale experiments on the vegetation of this heterogeneous terrain. Vegetation changes and erosion were monitored in permanent or relocated plots established in 1987 and 1989 and re-surveyed in 1993, seven years after liming. The most striking early effect, possibly occurring within a few weeks of lime application, was the death of Sphagnum papillosum carpet in soakways within the 2.5 ha area. Some patches of dead material were washed away, but bare surfaces were generally colonised by vascular plants, notably Juncus bulbous. Effects in moorland and bog communities with dwarf shurbs were more subtle, involving reduction in Sphagnum cover and expansion of Erica teralix, Molinia caerulea, sedges and Narthecium ossifragum, but little change in the frequency of occurrence of Calluna vulgaris.

Original languageEnglish
Pages (from-to)231-245
Number of pages15
JournalChemistry and Ecology
Volume9
Issue number3-4
DOIs
Publication statusPublished - 1995

Keywords

  • bog vegetation
  • catchment liming
  • peat erosion
  • plant nutrients
  • vegetation change

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