Maps
The crop time-series maps were based on Alberta's Annual Soil Surveys Reports. Based on information extracted from these reports, Barry Adams of the Government of Alberta, Dr. Jim Robertson of the University of Alberta, and Dr. Brad Stelfox of Forem Technologies, were able to reconstruct the time series using 50 x 50 km grid cells. When the grid turns on (becomes yellow for the first time), it refers to the first 5 year interval that cultivation took place within the grid. It does not mean that the entire grid was cultivated during that period. The last image (2005) illustrates the current distribution of cultivation in Alberta.
References and Related Online Materials
| Major Cereals: | 1950-2008: Government of Alberta Agriculture and Agri-Food.(2009). Alberta Major Crops - Acreage (Table 76). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Before 1950: Statistics Canada, Census of Agriculture Notes: |
| Oilseeds: | 1950-2008: Government of Alberta Agriculture and Agri-Food.(2009). Alberta Major Crops - Acreage (Table 76). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Before 1950: Statistics Canada, Census of Agriculture Notes: |
| Forage: | 1999-2008: Government of Alberta Agriculture and Agri-Food.(2009). Tame Hay Acreage and Production for Alberta Census Divisions, (Table 88). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). 1996-1998: Government of Alberta Agriculture and Agri-Food.(2005). Tame Hay Acreage and Production for Alberta Census Divisions (Table 88). Crops. Last updated October 6, 2006. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd10293 (accessed June 16, 2010). Before 1992: Statistics Canada, Census of Agriculture Notes: |
| Vegetables: | Government of Alberta Agriculture and Agri-Food.(2009). Sugar Beet Industry, Alberta (Table 93). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Government of Alberta Agriculture and Agri-Food.(2009). Major Commercial Vegetable Production, Alberta (Table 94). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Government of Alberta Agriculture and Agri-Food.(2009). Alberta Special Crops - Area, Yield, Production and Price (Table 89). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Statistics Canada, Census of Agriculture Notes: |
| Other Seeds: | Government of Alberta Agriculture and Agri-Food.(2009). Alberta Major Crops - Acreage (Table 76). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Government of Alberta Agriculture and Agri-Food.(2009). Alberta Special Crops - Area, Yield, Production and Price (Table 89). Crops. Last updated November 9, 2009. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sdd12891 (accessed June 2, 2010). Notes: |
| Improved Pasture: | 1976-2006: Statistics Canada. (2007). Total land area and use of farm land, Canada and provinces, census years 1976 to 2006 (Table 2.5). Selected Historical Data from the Census of Agriculture (Catalogue no. 95-632-XWE). Last updated January 30, 2009. http://www.statcan.gc.ca/pub/95-632-x/2007000/t/4185579-eng.htm#48 (accessed June 16, 2010). 1900-1975: Statistics Canada, Canadian Census of Agriculture, 1901, 1911, 1921, 1931, 1941, 1951, 1956, 1961, 1966, 1971
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