Graph

Pied-billed Grebe
(Podilymbus podiceps)

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
19700.0720.0380.121
19710.0810.0490.142
19720.0750.0430.126
19730.0880.0550.188
19740.0750.040.127
19750.0730.0420.115
19760.0820.0520.144
19770.0720.040.114
19780.0780.0490.129
19790.0740.0420.118
19800.0740.0420.116
19810.0750.0450.119
19820.0780.0490.127
19830.0750.0440.118
19840.0790.0510.131
19850.0760.0450.118
19860.0740.0420.11
19870.0720.0370.107
19880.0740.0430.112
19890.0720.0380.108
19900.0760.0470.12
19910.0750.0460.118
19920.0750.0460.118
19930.0780.0510.13
19940.0820.0590.145
19950.0750.050.11
19960.0780.0520.12
19970.0820.0580.136
19980.0780.0510.125
19990.0770.0510.12
20000.080.0540.132
20010.0740.0480.11
20020.0780.0520.124
20030.0780.0510.123
20040.0850.0570.158
20050.0770.050.123
20060.070.0360.104
20070.0770.0490.123
20080.080.0540.14
20090.0740.0430.112
20100.0750.0440.116
20110.0850.0550.151
20120.0730.0420.117
20130.0780.0470.132
20140.0760.0440.128
20150.0710.0380.118
20160.0780.0460.135

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