Graph

Ruffed Grouse
(Bonasa umbellus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Boreal Taiga Plains

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
19700.5740.2681.36
19710.6560.3141.81
19720.4620.2450.916
19730.5670.2981.13
19740.6780.3621.44
19751.540.7553.82
19760.6170.3441.25
19770.8820.4821.94
19781.030.5362.46
19791.290.5933.92
19800.4930.2740.999
19810.3770.2110.682
19820.5590.311.14
19830.4710.2610.944
19840.560.2921.25
19850.50.2810.921
19860.5150.2871
19870.4340.2420.854
19880.5340.3041.01
19890.4780.2840.903
19900.4850.2890.86
19910.4310.2530.814
19920.4670.2920.8
19930.410.2480.714
19940.4920.310.837
19950.4460.2810.718
19960.5430.3340.879
19970.4590.2950.76
19980.4840.310.822
19990.4380.2790.773
20000.4710.3060.795
20010.4530.2960.73
20020.6280.4051.03
20030.3860.2410.612
20040.4220.2570.742
20050.3910.2390.632
20060.4960.3140.799
20070.6410.4181.05
20080.6080.3960.969
20090.8190.5371.29
20100.3620.2210.601
20110.5390.3280.907
20120.3580.210.578
20130.5270.3220.928
20140.7630.4571.32
20150.4420.280.71
20160.3410.2130.611

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