Online Resource 6: Changes in Fish Habitat
Distribution under Alternative Emissions
Scenarios Compared to Current Conditions
Climatic Change Article: Climate Change Impacts on Freshwater Fish, Coral
Reefs, and Related Ecosystem Services in the United States
Authors: Diana Lane, Russell Jones, David Mills, Cameron Wobus, Richard C.
Ready, Robert W. Buddemeier, Eric English, Jeremy Martinich, and Kate Shouse,
and Heather Hosterman
Corresponding author: Diana Lane, Stratus Consulting Inc.,
dlane@stratusconsulting.com
Projected changes in distribution of coldwater, cool/warm water, and rough fish guilds by 2100 for
the three emissions scenarios compared to current conditions
Year
2050
Climate
change
scenario
Guild typea
Temperature
only
2100
Temperature
and
precipitation
Temperature
only
Temperature
and
precipitation
Percentage change in area of different fish guilds in 2050 and 2100 compared to current conditions
POL3.7
POL4.5
Coldwater
-9.8%
-3.1%
-16.1%
-12.0%
Cool/warmwater
3.8%
19.6%
5.9%
25.9%
-14.6%
-9.4%
-18.0%
-10.5%
5.2%
18.3%
6.5%
33.9%
Coldwater
-29.1%
-26.4%
-62.5%
-62.0%
Cool/warmwater
10.7%
36.5%
13.2%
72.8%
Coldwater
Cool/warmwater
REF
Total change in acreage of different fish guilds in 2050 and 2100 compared to current conditions
POL3.7
POL4.5
REF
Coldwater
(70,098)
(21,749)
(114,913)
(85,134)
Cool/warmwater
65,510
339,193
101,925
447,195
Rough*
4,588
4,541
12,988
13,271
(104,073)
(66,639)
(128,313)
(74,583)
Cool/warmwater
90,147
316,524
113,104
586,738
Rough*
13,926
16,619
15,209
17,013
(207,295)
(187,582)
(444,935)
(441,587)
Cool/warmwater
184,675
630,374
227,895
1,258,948
Rough*
22,621
50,597
217,039
447,347
Coldwater
Coldwater
There is no habitat only suitable for “rough” fish guilds under current conditions, so a percentage
change from current conditions was not calculated.
b
Note: There is no habitat only suitable for “rough” fish guilds (i.e., rough = 0 acres).
a
1