North Pacific Index
Year
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Sea Ice Extent
Year
145000
140000
135000
130000
125000
120000
115000
110000
105000
100000
95000
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Euphausiid biomass
Year
12.5
12
11.5
11
10.5
10
9.5
9
8.5
8
7.5
7
6.5
6
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Motile epifauna biomass
Year
10500
10400
10300
10200
10100
10000
9900
9800
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Benthic forager biomass
Year
4000
4500
5000
5500
6000
6500
7000
7500
8000
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Pelagic forager biomass
Year
10050
10000
9950
9900
9850
9800
9750
9700
9650
9600
9550
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Apex predator biomass
Year
2500
3000
3500
4000
4500
5000
5500
6000
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Multivariate seabird breeding index (PC1)
Year
-0.5
0
0.5
1
1.5
2
2.5
3
3.5
4
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
St. Paul N. Fur seal pups born
Year
103000
102500
102000
101500
101000
100500
100000
99500
99000
98500
98000
97500
97000
96500
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Habitat impacted by trawls
Year
0.04
0.05
0.05
0.05
0.05
0.05
0.06
0.06
0.06
0.06
0.06
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
Least Auklet reproductive success
Year
Crested Auklet reproductive success
Year
Ammodytes in Tufted Puffin diet
Year
Gadids in Tufted Puffin diet
Year
Hexagrammids in Tufted Puffin diet
Year
Pelagic forager biomass
Year
Apex predator biomass
Year
Otters at Attu
Year
SSL non pup counts
Year
Habitat Impacted by Trawls
Year
Pelagic forager biomass
Year
Apex predator biomass
Year
Otters at Amchitka
Year
SSL non pup counts
Year
School Enrollment
Year
Habitat Impacted by Trawls
Year
Ammodytes in Tufted Puffin diet
Year
Gadids in Tufted Puffin diet
Year
Hexagrammids in Tufted Puffin diet
Year
Pelagic forager biomass
Year
Apex predator biomass
Year
SSL non pup counts
Year
School Enrollment
Year
Habitat Impacted by Trawls
Year
Pacific Decadal Oscillation winter
Year
SST Jun-Aug
Year
Mesoplankton Biomass
Year
Copepod Community Size
Year
Motile Epifauna Biomass
Year
Capelin(puffins)
Year
Apex Fish Biomass
Year
Black-legged Kittiwake Reproductive Success
Year
Stellar Sea Lion Non-pups
Year
Human Population
Year
Multivariate ENSO index (MEI DecJan)
Year
SST Jun-Aug
Year
Zooplankton Density Icy Strait (#/m3)
Year
Copepod Community Size
Year
Motile Epifauna Biomass
Year
SE Alaska Herring Mature Biomass
Year
Apex Fish Biomass
Year
Rhinoceros Auklet Chick Growth
Year
Stellar Sea Lion Non-pups
Year
Human Population
Year