Study

Analysis of Botanical Survey Data 2015

  • Published source details Glendinning A. & Hand A. (2016) Analysis of Botanical Survey Data 2015. Exmoor Mires Partnership report. Exmoor Mires Partnership.

Actions

This study is summarised as evidence for the following.

Action Category

Rewet peatland (raise water table)

Action Link
Peatland Conservation
  1. Rewet peatland (raise water table)

    A replicated before-and-after study in 2007–2015 seven degraded peatlands in England, UK (Glendinning & Hand 2016) reported that following rewetting, plant species richness consistently increased but the plant community type did not change. These results were not tested for statistical significance. Plant species richness increased in all seven sites, from 11–39 species/site before rewetting to 17–49 species/site after 2–7 years. In contrast, the plant community type did not change in any site. Both before and after rewetting, four sites contained wet heath communities, two sites contained dry heath communities and one site contained a dry grassland community. Between 2008 and 2013, one drainage ditch was blocked in each site. Vegetation was recorded before ditch blocking (as presence/absence of species) and 2–7 years after (as cover of every species). In each site 120–160 quadrats (0.25 m2), arranged along a 30–40 m transect perpendicular to the blocked ditch, were surveyed in summer or autumn.

Output references

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