Graph

Double-crested Cormorant
(Phalacrocorax auritus)

Breeding Bird Survey (BBS) - Canadian analysis

Additional information on: Breeding Bird Survey (BBS) - Canadian analysis

Geographic area or population: Lower Great Lakes / St. Lawrence Plain

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearAnnual IndexLower limitUpper limit
19700.0230.0080.075
19710.0260.0090.081
19720.0290.010.086
19730.0320.0120.093
19740.0350.0140.1
19750.0390.0150.11
19760.0430.0180.119
19770.0470.020.13
19780.0520.0220.137
19790.0590.0260.156
19800.0650.0280.167
19810.0760.0350.202
19820.080.0370.2
19830.0890.0410.218
19840.1010.0480.245
19850.1190.0580.29
19860.1370.070.345
19870.1430.0730.338
19880.1530.0770.356
19890.180.0910.421
19900.1920.0990.424
19910.2330.1220.575
19920.2440.130.543
19930.2990.1620.716
19940.3070.170.67
19950.3240.1660.694
19960.430.2431.01
19970.4590.2611.02
19980.5220.2951.19
19990.6190.3511.47
20000.6980.3961.77
20010.6820.3641.47
20020.7720.4111.65
20030.8920.4972.01
20041.010.5442.24
20051.090.582.4
20061.260.6792.75
20071.370.7092.96
20081.620.8613.68
20091.810.954.02
20101.940.9794.35
20112.451.265.82
20122.481.235.6
20132.951.426.97
20143.191.527.51
20153.761.89.34
20163.781.679.21

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