Studies
An individual study is a summary of a specific scientific study, providing background context, the conservation action(s) taken and their consequences.
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Study | Published | Actions | |
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Crassula helmsii : attempts at elimination using herbicides Based on: Dawson F.H. (1996). Study Link |
1996 | 1 | |
Crassula helmsii in the New Forest. Final report on the status, spread and impact of this non-native invasive plant, and the efficacy of control techniques following a 3 year trial Based on: Ewald N.C. (2014) Freshwater Habitats Trust (Oxford) report. Study Link |
2014 | 4 | |
Grazing vertebrates promote invasive swamp stonecrop (Crassula helmsii) abundance Based on: Dean C.E., Day J., Gozlan R.E. & Diaz A. (2015). Study Link |
2015 | 1 | |
PM 9/19 (1) Invasive alien aquatic plants Based on: EPPO . (2014). Study Link |
2014 | 1 | |
Treatment of Crassula helmsii - a case study Based on: Child L.E. & Spencer-Jones D. (1995) 195-202. Study Link |
1995 | 1 | |
An investigation of the control of Crassula helmsii by herbicidal chemicals (with interim guidelines on control) Based on: Dawson F.H. & Henville P. (1991) Institute of Freshwater Ecology report, to the Nature Conservancy Council (GB). Study Link |
1991 | 1 | |
Crassula helmsii (T. Kirk) cockayne: is it an aggressive alien aquatic plant in Britain? Based on: Dawson F.H. & Warman E.A. (1987). Study Link |
1987 | 1 | |
Invaders in hot water: a simple decontamination method to prevent the accidental spread of aquatic invasive non-native species Based on: Anderson L., Dunn A., Rosewarne P. & Stebbing P. (2015). Study Link |
2015 | 1 | |
Control and eradication of Australian swamp stonecrop Crassula helmsii using herbicide and burial at two ponds at Mile Cross Marsh, Norfolk, England Based on: Sims P.F. & Sims L.J. (2016). Study Link |
2016 | 0 | |
Estimating the minimum salinity level for the control of New Zealand Pygmyweed Crassula helmsii in brackish water habitats Based on: Dean C., Day J., Gozlan R.E., Green I., Yates B. & Diaz A. (2013). Study Link |
2013 | 1 | |
Effects of seawater flooding on Orthoptera and the yellow meadow ant Lasius flavus during New Zealand pygmy weed Crassula helmsii eradication at Old Hall Marshes, Essex, England Based on: Gardiner T. & Charlton P. (2012). Study Link |
2012 | 0 | |
Large-scale eradication of New Zealand pygmy weed Crassula helmsii from grazing marsh by inundation with seawater, Old Hall Marshes RSPB reserve, Essex, England Based on: Charlton P.E., Gurney M. & Lyons G. (2010). Study Link |
2010 | 1 | |
Control of New Zealand pygmyweed Crassula helmsii by covering with black polythene at The Lodge RSPB Reserve, Bedfordshire, England Based on: Wilton-Jones G. (2005). Study Link |
2005 | 1 | |
Controlling New Zealand pygmyweed Crassula helmsii in field ditches and a gravel pit by herbicide spraying at Dungeness RSPB Reserve, Kent, England Based on: Gomes B. (2005). Study Link |
2005 | 1 | |
Controlling New Zealand pygmyweed Crassula helmsii using hot foam, herbicide and by burying at Old Moor RSPB Reserve, South Yorkshire, England Based on: Bridge T. (2005). Study Link |
2005 | 3 | |
War against Crassula – one year on Based on: Stone I. (2002). Study Link |
2002 | 2 | |
Chemical control of Australian swamp stonecrop (New Zealand pygmy weed) Crassula helmsii Based on: Anon . (2004). Study Link |
2004 | 3 |
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