Graph

Western Meadowlark
(Sturnella neglecta)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Lower Great Lakes / St. Lawrence Plain

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
19700.2440.1050.799
19710.2330.1040.75
19720.2230.1020.706
19730.2090.0960.657
19740.190.090.575
19750.1660.0760.492
19760.1620.0790.474
19770.1510.0740.442
19780.1410.0690.403
19790.1320.0660.37
19800.1210.0610.335
19810.1110.0560.308
19820.1080.0560.296
19830.1030.0540.284
19840.0940.0480.253
19850.0870.0450.23
19860.0820.0420.218
19870.0780.0410.21
19880.0740.0390.198
19890.0660.0330.174
19900.0630.0320.165
19910.0570.0280.149
19920.0550.0270.143
19930.0510.0250.133
19940.0480.0230.125
19950.0440.0210.115
19960.0420.020.111
19970.0380.0180.101
19980.0370.0170.098
19990.0350.0160.092
20000.0320.0140.085
20010.030.0130.08
20020.0280.0120.074
20030.0260.0110.07
20040.0240.010.067
20050.0230.0090.064
20060.0220.0090.062
20070.020.0080.058
20080.0190.0070.054
20090.0180.0070.053
20100.0160.0060.048
20110.0150.0050.047
20120.0140.0050.044

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