Graph

American Black Duck
(Anas rubripes)

Southern Ontario Waterfowl Plot Survey

Additional information on: Southern Ontario Waterfowl Plot Survey

Geographic area or population: Southern Ontario

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearBreeding Pairs95% Lower Confidence Interval95% Upper Confidence Interval
197124287.6212778.3635796.88
197212527.17102.8217951.38
19766453.363098.459808.27
19818558.4017116.8
19858300.74016601.48
198713364.66026729.32
199216366.37032732.74
199516521.16033042.32
19987432.76014865.52
20005556.69011113.38
20036972.06013944.12
200510173.75020347.5
20069379.25018758.5
20079591.86019183.72
20089979.55019959.1
200916943.93033887.86
201012939.97025879.94
20115789.92011579.84
20127508.96015017.92
20133641010890.67
201416937.33033874.66
20159390.21018780.42
20168150.9016301.8
201713985.25027970.5

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345