Graph

Northern Harrier
(Circus hudsonius)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Great Basin

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
19700.0340.0110.079
19710.0340.0120.08
19720.0340.0120.079
19730.0360.0150.082
19740.0330.0120.071
19750.0330.0110.067
19760.0350.0150.083
19770.0330.0110.068
19780.0320.0110.067
19790.0320.0120.065
19800.0310.0120.062
19810.0310.0120.06
19820.0330.0140.069
19830.0330.0150.067
19840.0340.0160.078
19850.030.0110.058
19860.0320.0160.069
19870.030.0120.057
19880.030.0110.059
19890.030.0120.057
19900.030.0120.057
19910.030.0150.068
19920.0290.010.056
19930.030.0150.064
19940.0310.0150.07
19950.0280.0110.054
19960.0290.0140.06
19970.0280.0110.053
19980.0280.0120.053
19990.0280.0130.056
20000.0270.010.053
20010.0270.0110.051
20020.0260.0110.053
20030.0280.0130.057
20040.0280.0130.061
20050.0260.0090.053
20060.0260.0090.051
20070.0270.0120.056
20080.0250.010.052
20090.0260.010.053
20100.0260.0110.056
20110.0280.0120.068
20120.0250.0090.053
20130.0250.010.056
20140.0250.0090.054
20150.0250.010.058
20160.0260.0110.062

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