Influence of seed mixture and hydrological regime on the establishment of a diverse grassland sward at a site with high phosphorus availability
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Published source details
Gilbert J.C., Gowing D.J.G. & Bullock R.J. (2003) Influence of seed mixture and hydrological regime on the establishment of a diverse grassland sward at a site with high phosphorus availability. Restoration Ecology, 11, 424-435.
Published source details Gilbert J.C., Gowing D.J.G. & Bullock R.J. (2003) Influence of seed mixture and hydrological regime on the establishment of a diverse grassland sward at a site with high phosphorus availability. Restoration Ecology, 11, 424-435.
Actions
This study is summarised as evidence for the following.
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Sow seeds at a higher density Action Link |
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Sow native grass and forbs Action Link |
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Sow seeds at a higher density
A replicated, randomized, controlled study in 1997–1999 in a grazed wet grassland in London, UK (Gilbert et al. 2003) found that sowing grass seeds at a higher density did not increase similarity of the vegetation community to that of the target community. The similarity of the vegetation community to that of the target community did not differ significantly between areas sown with seeds at rates of 10, 25 or 40 kg/ha (data presented as similarity coefficients). In 1997, seeds of eight grass species were sown in varying proportions onto bare soil in each of three 15 x 15 m plots at rates of 10, 25 or 40 kg/ha. Cover of all species in each of the nine plots was estimated within 10 randomly placed 1-m2 quadrats in June 1997–1999. Similarity of the plant communities to the target community, a mesotrophic grassland, was assessed using the UK National Vegetation Classification.
(Summarised by: Anna Berthinussen)
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Sow native grass and forbs
A replicated, randomized, controlled study in 1997–1999 in a grazed wet grassland in London, UK (Gilbert et al. 2003) found that sowing native grass and forb seeds did not increase similarity of the vegetation community to that of the target community. The similarity of the vegetation community to that of the target community did not differ significantly between areas sown with seeds and areas that were not sown with seeds (data presented as similarity coefficients). In spring 1997, seeds of eight grass and forb species collected from an existing grassland were sown onto bare soil in twenty 1-m2 plots at a rate of 40 kg/ha, and no seeds were sown in 10 other plots. Cover of all species in the plots was estimated in June 1997–1999. Similarity of the plant communities to the target community, a mesotrophic grassland, was assessed using the UK National Vegetation Classification.
(Summarised by: Philip Martin)
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