Page 5 - California Trout Annual Report 2017

18 16 14 12 10 8 6 4 2 0
18 16 14 12 10 8 6 4 2 0
0 1-2 EXTINCT CRITICAL
2-3 3-4
HIGH MODERATE LOW
Status of California salmonids: 21 anadromous species and 11 inland species.
Anadromous species include all salmon, steelhead, and Coastal Cutthroat trout. Inland species include all trout (with the exception of Coastal Cutthroat trout and Bull trout) as well as Mountain White sh.
Climate change threat score (%) for California’s 31 remaining salmonids.
Climate change was scored
as a critical or high threat for
26 of 31 species (87%). It is the major, overarching anthropogenic threat affecting salmonids in California. Due to its high impact and importance to the long term survival of all salmonids in California, it is highlighted
below in the pie chart.
Climate change was scored a critical or high threat for a majority of species, and was considered a low threat to only one species.
SCORe Range: LeveL OF COnCeRn
Change in Level of Concern 2008 to 2017
Anadromous
Inland
4-5
2008
2017
EXTINCT
CRITICAL
HIGH MODERATE
LOW
Critical 61%
High 26% Moderate 10% Low 3%
Extracts from the SOS II report and experimental work undertaken at Knaggs Ranch in the Central Valley (background).
Photo: Mike Wier
SCORe Range: LeveL OF COnCeRn
4
Number of Species Number of Species