Graph

Black-legged Kittiwake
(Rissa tridactyla)

Seabird Colony Monitoring Program

Additional information on: Seabird Colony Monitoring Program

Geographic area or population: Eastern 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
85188.71 113584.9
Listing of the individual data points that make up the graph
YearAnnual indexLower limitUpper limit
196569262.427179.1169776.3
196678287.934032.6173420.6
196787322.941710.7177143.1
196896082.949667.6180183.8
1969104191.557929.6185346.8
197011270666121191809.3
1971120528.974445198355.6
1972128283.481667.6205722.7
1973135757.388406.5212487.7
197414208595035.6219753
1975148461.7100784.5227703.4
1976153805.6105649.3235132.8
1977158450.1110205.6240296
1978162048.6113528.3244792.1
1979165360.1115991.2248098.8
1980167845117780250427.6
1981169967.7119060.7254179.6
1982171864.9120025.3255894.4
1983172353.4120603259667.6
1984173106.2119863.2262850.1
1985173153.9118948.8265782.1
1986173100.6117366.6270078.5
1987172321.3116748.5269454.4
1988171725.8115815.7270837.4
1989171304.3115189.6272255.3
1990170836.8114480.4271612.4
1991170303.9114221.9271801.1
1992170260.9114789.4269264.6
1993170397.5115824.7268690.8
1994170442.1116425.5265206.8
1995170351117206.4262216.1
1996169620.2118397256845.3
1997169009.6119155.5251320.4
1998168328.8119016.5244866.4
1999166875.8118832.5240935.9
2000164990118107.5235850.3
2001162701.1116656.5231160.1
2002159356.5115231.2225504.3
2003155171.8112862.6219289.4
2004150333110326.3211060.6
2005144897.2106626.6202801.7
2006139090.6102429.4193809
2007132319.297410185336.8
2008124822.192172.3176153.8
2009117398.985546.2166887.4
2010109189.878308.8158461
2011100997.270087.1149800.8
201292330.362095.6142545.3
201383567.953406.9136540.1
201475269.344815.7132188.7
201566916.536376.9129646.9
201658731.729020.7126122.1

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