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: Canada

Graph showing the trend of the species through out the observed years
 
Listing of the threshold values that appear on the graph
Population below lowest acceptable levelGoal
435.565 580.753
Listing of the individual data points that make up the graph
YearAnnual IndexLower limitUpper limit
19705971814290
19715451783920
19726201963880
19736051973910
19745431863360
19755921973510
19766672024330
19775281863230
19784961782740
19795501963070
19804611772520
19814621772570
19824201682200
19834441762390
19844361702170
19854281712210
19864391802060
19873891662010
19884211722040
19894291792270
19903531521770
19913571511820
19924221751760
19933321441510
19943741681690
19953231481450
19963211461490
19973731751720
19983091441440
19993251461520
20003251511480
20012781271200
20022591221190
20032861321240
20043201471410
20053641591720
20063291461460
20073071331500
20082751261230
20092661111520
20102531011260
20112751191340
20122721101360
20132811191980
20142831152070
20152521041350
20162531071450

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