The effect of turf stripping, rotovating and cutting of heathland invaded by wavy hair grass Deschampsia flexuosa on the growth of heather Calluna vulgaris in Knettishall Heath Country Park, Norfolk, England
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Published source details
Britton A.J., Marrs R.H., Carey P.D. & Pakeman R.J. (2000) Comparison of techniques to increase Calluna vulgaris cover on heathland invaded by grasses in Breckland, south east England. Biological Conservation, 95, 227-232
Published source details Britton A.J., Marrs R.H., Carey P.D. & Pakeman R.J. (2000) Comparison of techniques to increase Calluna vulgaris cover on heathland invaded by grasses in Breckland, south east England. Biological Conservation, 95, 227-232
Actions
This study is summarised as evidence for the following.
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Rotovate to control grass Action Link |
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Cut/mow to control grass Action Link |
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Rotovate to control grass
A replicated, controlled study in 1996–1998 in a heathland invaded by wavy hair-grass Deschampsia flexuosa in Breckland, UK (1) found that rotovating did not decrease the presence of wavy-hair grass or increase the presence of heather Calluna vulgaris relative to mowing or cutting turf. After two years, wavy hair-grass presence in plots that had been rotovated (99% of plots) was not significantly different to presence in mown plots (100% of plots) or plots where turf had been cut (98% of plots). After two years, heather presence did not differ significantly between plots that had been rotovated (10% of plots) and those that had been mown (5% of plots) or where turf was cut (24% of plots). In August 1996 a number of 0.5 ha areas were rotovated, grass was cut to a height of 10 cm or less in a number of 1-2 ha blocks, and in five 4 m2 areas turf and soil were removed to a depth of 10 cm. Five 4 m2 plots were established in each of the areas subject to different interventions. Each plot was divided into a grid of 20 cm x 20 cm squares and presence of species was recorded in each square twice a year in 1996–1998.
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Cut/mow to control grass
A replicated, controlled study in 1996–1998 in a heathland invaded by wavy hair-grass Deschampsia flexuosa in Breckland, UK (Britton et al. 2000) found that mowing did not decrease the presence of wavy-hair grass or increase the presence of heather Calluna vulgaris relative to rotovating or cutting turf. After two years, wavy hair-grass presence in plots that had been mown (100% of plots) was not significantly different to presence in rotovated plots (99% of plots) or plots where turf had been cut (98% of plots). Heather presence did not differ significantly between plots that had been mown (5%) and those that had been rotovated (10%) or where turf was cut (24%). In August 1996 grass was cut to a height of 10 cm or less in 1–2 ha blocks, several 0.5 ha areas were rotovated, and in five 4 m2 turf and soil were removed to a depth of 10 cm. Five 4 m2 plots were established in each of the areas subject to different interventions. Each plot was divided into a grid of 20 x 20 cm squares and species presence was recorded in each square twice a year in 1996–1998.
Output references
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