Study

The differential response of vegetation to grip blocking

  • Published source details Armstrong A., Holden J. & Stevens C. (2008) The differential response of vegetation to grip blocking. Report to North Pennines AONB report.

Actions

This study is summarised as evidence for the following.

Action Category

Fill/block ditches to create conditions suitable for peatland plants (without planting)

Action Link
Peatland Conservation
  1. Fill/block ditches to create conditions suitable for peatland plants (without planting)

    A replicated study in 2006 in a blanket bog in England, UK (Armstrong et al. 2008) reported that drainage ditches blocked with peat developed some vegetation cover but were mostly bare peat. All five blocked drainage ditches developed some vegetation cover, although total vegetation cover was <50% in four of them. Across all five ditches, cover of common cottongrass Eriophorum angustifolium was 5–30%.Cover of Sphagnum moss was <1–20%. One ditch (also recently burned) had 60% cover of heather Calluna vulgaris. The study noted correlations between vegetation cover, slope and soil/water chemistry. In January 2003, five ditches were blocked with peat sods. Vegetation cover was estimated in spring 2006 (A. Armstrong pers. comm.).

Output references

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, terrestrial mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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