Graph

Black-and-white Warbler
(Mniotilta varia)

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
19700.0160.0070.038
19710.0170.0070.037
19720.0170.0070.037
19730.0170.0080.038
19740.0180.0080.038
19750.0180.0090.038
19760.0180.0080.038
19770.0190.0090.04
19780.020.010.045
19790.020.010.042
19800.020.010.039
19810.0220.0110.043
19820.0210.0110.042
19830.0220.0110.043
19840.0220.0120.043
19850.0230.0120.042
19860.0230.0120.043
19870.0240.0130.045
19880.0250.0130.045
19890.0250.0130.043
19900.0260.0150.047
19910.0270.0160.049
19920.0280.0160.051
19930.0280.0160.046
19940.0280.0150.051
19950.0340.0220.064
19960.0290.0180.046
19970.030.0180.045
19980.0290.0170.045
19990.0310.020.047
20000.0350.0230.053
20010.0360.0230.059
20020.0370.0240.058
20030.0440.0310.076
20040.0380.0240.057
20050.0390.0240.06
20060.040.0260.061
20070.0560.0370.096
20080.0470.0310.094
20090.0520.0350.083
20100.0420.0270.063
20110.0410.0240.064
20120.0520.0350.085
20130.0510.0320.084
20140.0460.0260.074
20150.0510.0320.079
20160.0530.0330.085

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