Graph

Northern Harrier
(Circus cyaneus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Boreal Hardwood Transition

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
19700.130.0810.216
19710.1230.0760.2
19720.1270.080.203
19730.1180.0730.186
19740.1210.0780.19
19750.1160.0710.181
19760.1170.0750.178
19770.1140.0720.176
19780.1210.0820.188
19790.1170.0780.177
19800.1180.080.178
19810.1090.0720.159
19820.1130.0790.169
19830.1130.0790.166
19840.1120.080.164
19850.1070.0750.154
19860.1060.0750.153
19870.1140.0820.172
19880.1080.0780.16
19890.1030.0720.145
19900.1090.080.161
19910.0990.0690.136
19920.10.0720.141
19930.1030.0760.15
19940.1030.0760.151
19950.10.0730.144
19960.0950.0670.13
19970.10.0740.148
19980.0890.0590.122
19990.0940.0680.133
20000.0880.060.122
20010.0920.0660.13
20020.090.0630.129
20030.0910.0650.132
20040.0910.0650.132
20050.0860.0590.121
20060.0910.0650.135
20070.0860.060.126
20080.0860.0590.127
20090.0830.0560.121
20100.0790.050.115
20110.0850.0570.129
20120.080.0520.119

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