Graph

Northern Harrier
(Circus cyaneus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Atlantic Northern Forest

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
19700.1140.0750.166
19710.1230.0850.182
19720.120.0810.175
19730.1210.0830.178
19740.1290.090.189
19750.1270.0880.185
19760.1250.0860.18
19770.130.0910.183
19780.1280.0890.177
19790.1370.10.195
19800.1310.0920.183
19810.1590.1150.258
19820.1430.1060.201
19830.1570.1150.255
19840.1380.0990.188
19850.1570.1180.243
19860.150.110.21
19870.1470.1070.2
19880.1510.1110.209
19890.1520.1110.209
19900.1640.1230.239
19910.1550.1130.209
19920.1610.120.228
19930.170.1270.259
19940.1630.120.224
19950.1640.1220.221
19960.180.1370.254
19970.1620.1180.215
19980.1730.1280.235
19990.1730.1260.234
20000.1820.1360.254
20010.1820.1350.254
20020.1790.130.249
20030.1760.1240.241
20040.1850.1360.252
20050.2010.1470.293
20060.1980.1440.276
20070.190.1350.263
20080.1850.1270.258
20090.2010.1440.286
20100.1940.1320.274
20110.2120.1510.308
20120.2170.1540.312

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