Graph

Sora
(Porzana carolina)

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
19700.040.0210.087
19710.0380.0160.071
19720.0380.0160.068
19730.040.0220.08
19740.040.0210.075
19750.0370.0160.062
19760.0380.0180.068
19770.0380.0190.064
19780.0370.0170.062
19790.0370.0170.062
19800.040.0220.07
19810.0370.0160.062
19820.0380.0190.063
19830.0410.0240.078
19840.0370.0160.061
19850.0380.020.064
19860.0380.0190.066
19870.0390.0220.071
19880.040.0250.08
19890.0420.0270.09
19900.0380.0180.064
19910.0380.0190.064
19920.0380.020.061
19930.0420.0270.095
19940.0380.0210.064
19950.0380.020.062
19960.0420.0260.084
19970.0390.0220.065
19980.0430.0280.095
19990.0370.0190.059
20000.0410.0260.08
20010.0380.0190.061
20020.0380.0190.062
20030.0390.0220.069
20040.0390.0220.069
20050.0380.0180.063
20060.0370.0180.059
20070.0420.0260.083
20080.0410.0260.083
20090.040.0230.072
20100.0390.0210.067
20110.0390.0220.068
20120.0370.0180.062
20130.0380.0210.067
20140.0360.0160.061
20150.0380.0190.068
20160.0380.0180.065

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