Graph

Pied-billed Grebe
(Podilymbus podiceps)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Great Basin

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
19700.1840.0750.542
19710.1620.0560.402
19720.1630.0590.427
19730.1610.060.399
19740.1510.0570.371
19750.1540.0530.371
19760.1510.0580.376
19770.150.0560.371
19780.1460.0520.337
19790.1460.0580.345
19800.1430.0620.347
19810.1490.0680.378
19820.1410.0570.331
19830.1330.0470.291
19840.1410.0690.34
19850.1340.0540.306
19860.1320.0560.29
19870.1350.0640.315
19880.1260.0520.29
19890.130.0580.312
19900.1270.0570.31
19910.1170.0470.255
19920.1230.0560.311
19930.1160.0460.256
19940.1170.0540.264
19950.1250.0610.321
19960.1240.0620.323
19970.1090.0440.249
19980.1170.0540.314
19990.1060.040.254
20000.1120.0520.294
20010.1060.0450.262
20020.1040.0450.265
20030.1060.0450.29
20040.1020.0440.281
20050.0970.0370.246
20060.1120.0510.355
20070.0940.0320.244
20080.0910.0310.244
20090.0920.0340.245
20100.0880.0290.237
20110.0920.0340.263
20120.0920.0330.276
20130.0910.0330.267
20140.0850.0260.264
20150.090.0310.278
20160.0820.0270.251

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