This study is summarised as evidence for the following.

Action Category

Restore/create peatland vegetation (multiple interventions)

Action Link
Peatland Conservation
  1. Restore/create peatland vegetation (multiple interventions)

    A replicated, paired, controlled, before-and-after, site comparison study in five historically mined peatlands in Canada (Strack et al. 2016) found that restoration by multiple interventions increased cover of mosses, grass-like plants and vascular plants, but not shrubs. Restored and unrestored plots were initially bare peat. After 1–15 years, restored sites had significantly greater cover than unrestored sites of mosses (38 vs 3%), grass-like plants (22 vs 5%) and total vascular plants (33 vs 11%), but there was no significant difference in shrub cover (9 vs 3%). Relative to natural, undisturbed sites, restored sites had lower cover of mosses (38 vs 77%), shrubs (9 vs 27%) and total vascular plants (33 vs 44%), but higher cover of grass-like plants (22 vs 3%). Five degraded peatlands were restored (dates unclear) using a mixture of techniques. All received fresh vegetation fragments from the surface of natural peatlands and were mulched with straw. Some sites were levelled, rewetted and/or fertilized. Summer vegetation cover was estimated in restored sites after 1–15 years. For each restored site, vegetation cover of a natural peatland was estimated either before restoration or in separate untreated areas after restoration.

Output references
What Works in Conservation

What Works in Conservation

What Works in Conservation assesses the research looking at whether interventions are beneficial or not. It is based on summarised evidence in synopses, on topics such as amphibians, bats, biodiversity in European farmland, and control of freshwater invasive species. More are available and in progress.

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