1. Adams BA, Richman J, Poulin-Klein L, France K, Moisey D, McNeil RL (2013) Rangeland plant communities of the Mixedgrass Prairie Natural Subregion of Alberta. 2nd approximation. Rangeland Management Branch, Policy Division, Alberta Environment and Sustainable Resource Development, Lethbridge, Alberta. Pub. No. T/039, p 103
2. Alberta Environment and Parks (AEP) (2016) Principles for minimizing surface disturbances in native grassland: Principles, guidelines, and tools for all industrial activity in native grassland in the prairie and parkland landscapes of Alberta. Alberta Environment and Parks Dept., Land Policy Branch, Edmonton, Alberta, p 34
3. Allred BW, Smith WK, Twidwell D, Haggerty JH, Running SW, Naugle DE, Fuhlendorf SD (2015) Ecosystem services lost to oil and gas in North America. Science 348:401–402
4. Althoff DP, Althoff PS, Lambrecht ND, Gipson PS, Pontius JS, Woodford PB (2007) Soil properties and perceived disturbance of grasslands subjected to mechanized military training: evaluation of an index. Land Degrad Dev 18:269–288
5. Althoff PS, Thien SJ (2005) Impact of M1A1 main battle tank disturbance on soil quality, invertebrates, and vegetation characteristics. J Terramechanics 42:159–176