Graph

Ruffed Grouse
(Bonasa umbellus)

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
19700.2840.1740.486
19710.2630.1540.461
19720.3140.2070.557
19730.3120.1990.587
19740.3980.2530.884
19750.2730.1750.444
19760.3020.1920.552
19770.280.1790.469
19780.2790.1760.547
19790.2910.1810.534
19800.2610.1630.401
19810.2740.1730.436
19820.2550.1620.399
19830.2560.1620.418
19840.2610.1680.423
19850.2870.1880.49
19860.2360.140.392
19870.2830.180.582
19880.2570.1670.424
19890.2510.1580.405
19900.2550.1640.41
19910.3040.1950.647
19920.260.1690.419
19930.2580.1670.413
19940.2820.190.475
19950.2660.1790.406
19960.2620.1750.422
19970.3080.2090.524
19980.2170.1360.332
19990.2290.140.367
20000.250.1680.381
20010.280.1930.5
20020.2350.1540.362
20030.230.150.356
20040.2570.1650.42
20050.240.1540.373
20060.2160.1330.333
20070.2420.160.374
20080.230.1450.363
20090.2170.1350.336
20100.2480.1610.419
20110.2540.1680.421
20120.2320.1480.361
20130.2070.1260.319
20140.3360.2020.701
20150.2910.1910.509
20160.2760.180.476

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