Graph

Bobolink
(Dolichonyx oryzivorus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Northern Rockies

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
19700.1530.0770.367
19710.1420.0690.316
19720.1170.0460.236
19730.1110.0480.204
19740.1030.0410.192
19750.1070.0450.196
19760.1110.0480.201
19770.110.0470.196
19780.1190.0580.208
19790.1240.0610.219
19800.1460.0850.263
19810.160.0960.319
19820.1630.1020.314
19830.150.0880.278
19840.1760.110.357
19850.1580.0980.293
19860.1550.0950.285
19870.1750.1090.385
19880.1790.1140.365
19890.1370.0770.231
19900.1360.0750.231
19910.1290.0640.212
19920.130.0660.211
19930.1420.0780.245
19940.1560.0970.286
19950.1470.0860.251
19960.1540.0930.276
19970.1520.090.267
19980.1650.1030.313
19990.1690.1070.313
20000.1530.0860.287
20010.1430.070.261
20020.1790.1080.37
20030.1650.0960.322
20040.1550.0850.295
20050.1840.110.377
20060.1550.0850.284
20070.1410.0680.255
20080.1280.0590.226
20090.1560.080.312
20100.1480.0740.28
20110.1380.0590.269
20120.1650.0790.374
20130.1450.060.304
20140.1450.0590.302
20150.1220.0440.248
20160.1590.070.359

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