Economic impact assessment of leafy spurge in Southern Manitoba

Driven by the 1999 report‟s acknowledgement of the underestimation of acres of leafy spurge at the time, the nature of leafy spurge patch expansion and current economic values, the Rural Development Institute on behalf of the LSSG, sought and received funding support to prepare the 2010 economic impact assessment of leafy spurge in southern Manitoba. [...] The 2010 Economic Impact Assessment of Leafy Spurge in Manitoba Ten years after the release of the Leafy Spurge Impact Assessment (LSSG, 1999) the magnitude of the distribution and density of leafy spurge across agro-Manitoba continues to concern producers, land managers and policy makers. [...] Driven by the 1999 report‟s acknowledgement of the underestimation of acres of leafy spurge at the time, the nature of leafy spurge patch expansion and current economic values, the Rural Development Institute on behalf of the LSSG, sought and received funding support from the Agricultural Sustainability Initiative to prepare the 2010 Economic Impact Assessment of Leafy Spurge in Manitoba. [...] Much of the data consisted of site coordinates which provided information on the presence of leafy spurge but yielded very little information on (a) the number of acres infested or (b) the density of the spurge on the particular site. [...] The amount or number of acres of leafy spurge is a median amount determined by using (a) the low end of each of the four categories as the minimum number of acres and (b) the high end as the maximum number of acres.