Graph

Sora
(Porzana carolina)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: North America

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
19700.8240.6021.32
19710.8360.6131.27
19720.9560.7761.23
19730.8780.6971.16
19740.8950.6951.21
19751.030.8091.33
19760.9660.7391.36
19770.9880.731.47
19780.7550.6040.979
19790.9090.7081.22
19800.8660.671.16
19810.6930.5540.876
19820.7140.5740.909
19830.780.6280.994
19841.050.8091.4
19850.9230.7521.16
19860.8240.6631.03
19870.9890.781.3
19880.6260.490.847
19890.5750.4560.76
19900.8620.6951.09
19910.9830.8021.22
19920.870.7241.05
19930.7340.6250.872
19941.361.131.63
19951.421.21.73
19961.180.9951.41
19971.391.191.69
19980.8070.6920.95
19991.030.8861.24
20000.8530.7221.01
20010.5420.4680.635
20020.4990.4280.597
20030.5450.4660.638
20040.630.5370.744
20051.030.8691.25
20061.110.9121.41
20071.170.9811.43
20080.9530.81.16
20090.8540.7211.05
20101.050.8841.27
20111.21.011.45
20121.20.9671.54
20131.391.151.75
20141.311.081.62
20151.040.8711.28
20160.9060.7641.11

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