Graph

Nelson's Sparrow
(Ammospiza nelsoni)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: North America

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
19700.0850.0550.184
19710.0920.0610.177
19720.0870.0560.183
19730.1470.0790.551
19740.0920.0630.171
19750.0890.060.151
19760.0930.0640.179
19770.0930.0640.155
19780.0940.0670.154
19790.0960.0680.151
19800.0950.0680.15
19810.0970.070.156
19820.0980.070.147
19830.1010.0740.159
19840.110.080.174
19850.1030.0750.151
19860.1050.0770.155
19870.150.0990.429
19880.1060.080.151
19890.1140.0870.172
19900.1270.0940.265
19910.1190.0920.169
19920.1320.1010.196
19930.1210.0940.17
19940.130.1020.184
19950.1340.1060.179
19960.1480.1140.228
19970.1290.1010.176
19980.1380.1110.176
19990.160.1260.217
20000.1830.1410.255
20010.1540.1220.201
20020.150.1170.193
20030.1540.1230.195
20040.1680.1340.222
20050.1620.1280.212
20060.1810.1420.274
20070.1750.1380.235
20080.1630.1250.216
20090.1950.1480.287
20100.1820.1420.239
20110.210.1620.294
20120.2250.1730.321
20130.2680.1980.48
20140.2180.1660.306
20150.2140.1630.295
20160.220.1670.305

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