Graph

Franklin's Gull
(Leucophaeus pipixcan)

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
19703721352160
19713281201870
19723721411950
19733511331890
19743341261610
19753391321670
19763691332000
19773121251560
19782881151310
19793121261450
19802661151200
19812761211280
19822471101090
19832601151130
19842561121060
19852481111050
1986253121990
1987226105963
19882381091010
19892431101070
1990215100885
199120496862
1992243114857
199320898779
1994216109805
199519293.5702
199619294.1743
1997214109832
199818691.5703
199919992.9796
200019092.6711
200117082.7605
200215880.2596
200317185604
200420093.5747
200520497.3811
200618689.6692
200718385.4772
200816278.3590
200916171.3723
201015369.2604
201116375.7657
201216972.5740
201316673.5914
201416972.3968
201515368645
201615268.4675

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