Agricultural Landscapes as Habitat
Wildlife habitat capacity on the agricultural landscape
This map shows the capacity of agricultural landscape in Canada to support wildlife habitat in 2006, by ranking it in five categories: very low, low, moderate, high, and very high. The areas with the highest capacity were the agricultural landscapes of the Atlantic Maritime and Boreal Shield. The Prairies, Boreal Plains, and Mixedwood Plains had the lowest capacity. Agricultural areas in British Columbia were ranked mostly as moderate as were some areas on the edges of the Prairie, Boreal Plains, and Mixedwood Plains ecozones+.
Change in average wildlife habitat capacity on the agricultural landscape by ecozone+
This bar graph shows the average wildlife habitat capacity for each ecozone+ with agricultural landscapes in 1986, 1996, and 2006. It shows declining trends in the Pacific Maritime, Western Interior Basin, Montane Cordillera, Boreal Shield, and Atlantic Maritime ecozones+. Small declines were found between 1986 and 1996 in the Boreal Plains and Mixedwood Plains. The capacity in the Prairies ecozone+ remained stable. Change is measured by the habitat capacity index, listed as following: very low habitat capacity is less than 30, low is from 30 to 50, moderate is from 50 to 70, high is from 70 to 90 and very high is more than 90. Changes in average wildlife capacity are presented in the following table:
|Western Interior Basin||70.4||65.4||61.3|
Northern pintail population, southern Canada
This line graph shows the southern Canada northern pintail population from 1955 to 2007. Though there were annual fluctuations, the overall trend shows a steep decline to the late 1980s. In 1956 the population peaked at just over 8 million. It then declined sharply to about 1 million in the early 1960s, before rising to approximately 4.5 million in 1974. This peak was followed by another sharp decline to fewer than 0.5 million ducks in the late 1980s. After that, until 2007, the population fluctuated around 1 million.
Application of zero-till seeding practices in Saskatchewan
This line graph shows the percent of total hectares that were seeded in Saskatchewan using zero-till seeding practices from 1991 to 2006. The graph shows a steady increase from 8% in 1991 to 60% in 2006.
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