Graph

Hairy Woodpecker
(Dryobates villosus)

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
19700.0860.0620.122
19710.0870.0640.12
19720.090.0660.121
19730.0930.0690.127
19740.0920.0680.123
19750.0940.070.125
19760.10.0760.141
19770.0990.0750.131
19780.0980.0740.131
19790.10.0770.131
19800.1040.0790.136
19810.1050.0810.136
19820.1070.0840.139
19830.1070.0830.136
19840.1130.090.149
19850.1130.0890.145
19860.1170.0940.15
19870.1160.0920.144
19880.1160.0920.146
19890.1220.0990.149
19900.120.0960.149
19910.1260.1030.154
19920.1230.10.15
19930.1310.1080.161
19940.1350.1120.17
19950.1370.1130.172
19960.1350.1110.165
19970.1390.1150.168
19980.1460.1220.182
19990.1440.120.176
20000.1480.1230.181
20010.1580.1310.2
20020.1490.1230.181
20030.1560.130.194
20040.1570.1280.193
20050.1630.1350.196
20060.1660.1370.206
20070.170.1420.209
20080.1690.1350.21
20090.1780.1460.22
20100.1790.1460.22
20110.1790.1430.224
20120.1870.1490.231
20130.1870.1510.236
20140.1860.1480.234
20150.1930.1560.242
20160.1960.1550.249

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