Graph

Ruffed Grouse
(Bonasa umbellus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Prairie Potholes

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
19700.1720.0850.519
19710.1380.0710.299
19720.130.0610.282
19730.1150.0540.233
19740.1380.0730.283
19750.160.0880.444
19760.1130.0570.223
19770.1280.070.286
19780.1190.0650.257
19790.1520.0840.391
19800.1320.0750.306
19810.1080.0560.228
19820.1240.0670.299
19830.1210.0670.289
19840.110.0540.221
19850.1350.0770.383
19860.1080.0580.227
19870.1060.0560.217
19880.1050.0560.215
19890.1230.0740.253
19900.1320.0780.287
19910.1030.0580.209
19920.0910.0460.168
19930.1050.0620.201
19940.1050.050.26
19950.0970.0520.186
19960.1540.0880.339
19970.10.0510.181
19980.0830.040.145
19990.0910.050.171
20000.110.0650.218
20010.1120.0660.233
20020.2150.110.512
20030.1060.0620.23
20040.1310.0740.276
20050.1260.0670.29
20060.0870.0460.159
20070.1080.0580.204
20080.1320.0760.265
20090.140.0810.299
20100.1020.0580.215
20110.1640.0880.4
20120.1230.0660.26
20130.0950.0450.191
20140.0870.0420.172
20150.1160.0640.288
20160.1070.0540.215

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