Graph

Nelson's Sparrow
(Ammodramus nelsoni)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Canada

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
19700.1330.0580.909
19710.1370.0620.856
19720.1290.0590.825
19730.250.0882.18
19740.1250.0620.567
19750.1180.0590.517
19760.1280.0640.684
19770.1220.0640.495
19780.1210.0650.468
19790.1190.0660.418
19800.1180.0650.394
19810.1190.0660.387
19820.1140.0670.334
19830.120.070.378
19840.1320.0770.413
19850.1160.070.316
19860.1180.0730.312
19870.1890.0971.11
19880.1180.0740.294
19890.1240.080.306
19900.1480.0890.593
19910.1280.0840.29
19920.1410.0940.336
19930.130.0880.275
19940.1360.0920.288
19950.1390.0960.274
19960.1580.1050.376
19970.1360.0930.273
19980.1440.10.258
19990.1630.1140.293
20000.1950.1280.469
20010.1580.110.297
20020.1530.1080.27
20030.1560.1090.272
20040.1810.1250.338
20050.1720.1190.306
20060.1920.1310.43
20070.1820.1280.308
20080.1740.1170.31
20090.2130.1420.461
20100.190.130.323
20110.2160.1470.413
20120.2320.1550.422

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