Study

The effectiveness of active restoration following alien clearance in fynbos riparian zones and resilience of treatments to fire

  • Published source details Pretorius M.R., Esler K.J., Homes P.M & Prins N. (2008) The effectiveness of active restoration following alien clearance in fynbos riparian zones and resilience of treatments to fire. South African Journal of Botany, 74, 517-525

Actions

This study is summarised as evidence for the following.

Action Category

Sow seeds

Action Link
Shrubland and Heathland Conservation
  1. Sow seeds

    A controlled study in 1998–2006 in a fynbos site previously invaded by non-native trees in Western Cape, South Africa (Pretorisu et al. 2008) found that sowing seeds of fynbos species increased shrub cover, but did not alter the cover of non-native species, or native forbs. After eight years, cover of shrub species was higher in areas where seeds had been sown (20%) than where seeds had not been sown (2%). However, cover of native forbs and non-native species did not differ between areas that had been seeded and those that had not (no data provided). In 1997 all non-native trees were felled. Subsequently, a wildfire burned the area in 1998. In 1998 seeds of species typical of fynbos were sown in five 50 m2 plots, while in five plots no seeds were sown. Four 1 m2 quadrats were placed in each plot and vegetation cover assessed in 2006.

    (Summarised by: Phil Martin)

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.

More about What Works in Conservation

Download free PDF or purchase
The Conservation Evidence Journal

The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

Read the latest volume: Volume 18

Go to the CE Journal

Discover more on our blog

Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.


Who uses Conservation Evidence?

Meet some of the evidence champions

Endangered Landscape Programme Red List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Bern wood Supporting Conservation Leaders National Biodiversity Network Sustainability Dashboard Frog Life The international journey of Conservation - Oryx British trust for ornithology Cool Farm Alliance UNEP AWFA Butterfly Conservation People trust for endangered species Vincet Wildlife Trust