Poster () - Pacific States Marine Fisheries Commission

ESA C
ESA Coverage of Listed Steelhead (Oncorhynchus ESA Coverage of Listed Steelhead (Oncorhynchus
g f Li t d St lh d (O
(
hy h mykiss) in Puget Sound Salmon and Steelhead Fisheries
yki )) i P g t S
d S l
d St lh d Fi h i
Amilee Wilson ([email protected])
Amilee
Wilson (amilee
(
wilson@noaa gov)
g ), National Oceanic and Atmospheric Administration (NOAA) ) National Oceanic and Atmospheric
p
Administration ((NOAA))
N i
National
National Marine Fisheries Service
l Marine
M i Fisheries
Fi h i Service
S i e (NMFS), NMFS Lacey Field Office
e (NMFS) NMFS LLacey Fi
Field
ld Offi
Office
Harvest Effects
• SSteelhead harvest is restrictive (i.e., non‐directed lh d h
( ,
d
d
fi h i ) d i id t l
fisheries) and incidental mortality is minimal.
t lit i i i l
• N
Native steelhead have shown little or weak response to i
lh d h
h
li l
k
p
reduced harvest throughout the DPS based on escapement
reduced harvest throughout the DPS based on escapement and total run size estimates for five populations (Figure 3)
and total run size estimates for five populations (Figure 3).
WDFW
Harvest impacts occur in
 Recreational and commercial fisheries
R
ti
l d
i l fi h i
 Tribal ceremonial, subsistence and
Tribal ceremonial subsistence and commercial fisheries
commercial fisheries
targeting healthy populations of unlisted salmon and hatchery steelhead
Harvest authorization and rates
h i i
d
• Combined
Combined average harvest rate for native steelhead is 4.2 percent for five average harvest rate for native steelhead is 4 2 percent for five
steelhead populations (e g Skagit summer/winter; Snohomish; Green Puyallup
steelhead populations (e.g., Skagit summer/winter; Snohomish; Green, Puyallup and Nisqually winter).
and Nisqually winter).
• Marine impacts are limited less than 400 native steelhead per year.
Marine impacts are limited less than 400 native steelhead per year
Figure 1 Puget Sound Stteelhead DPS for ESA­listed steelhead.
Figure 1. Puget Sound St
teelhead DPS for ESA listed steelhead
• F
For those populations where steelhead data are lacking, harvest management h
p p l
h
lh d d
l k g, h
g
must remain within impacts observed during 2000/01 through the 2006/07 t
i
ithi i
t b
d d i g 2000/01 th gh th 2006/07
seasons.
seasons
Introduction and Status
d i
dS
• Incidental
Incidental harvest rates for Puget Sound are within the harvest rates for Puget Sound are within the
range authorized for Columbia River steelhead populations
range authorized for Columbia River steelhead populations.
• Puget
Puget Sound steelhead were proposed for listing in March of 2006. The final federal Sound steelhead were proposed for listing in March of 2006 The final federal
listing decision as a “threatened”
listing decision as a threatened species occurred on May 11, 2007 (Figure 1).
species occurred on May 11, 2007 (Figure 1).
• The
The principal factor for steelhead decline is the destruction or modification of principal factor for steelhead decline is the destruction or modification of
habitat.
habitat
Conclusions
WDFW
• The
Th vastt majority
j ity steelhead
t lh d fisheries
fi h i are restricted
t i t d to
t non‐directed
di t d fisheries
fi h i and
d
incidental mortality is minimal.
minimal
• The
The elimination of the directed harvest of wild steelhead in the mid‐1990s has elimination of the directed har est of ild steelhead in the mid 1990s has
largely addressed the threat of historical harvest management practices (72 Fed Reg
largely addressed the threat of historical harvest management practices (72 Fed Reg. 26722, May 11, 2007).
26722, May 11, 2007). • NMFS concluded
l d dp
previous
i
h
harvest
t management
g
tp
practices
ti
lik ly contributed
likely
t ib t d to
t
the historical decline of Puget Sound steelhead,
steelhead but that the elimination of the
directed harvest of native steelhead in the mid
mid‐1990s
1990s has largely addressed this
threat (72 Fed Reg. 26722, May 11, 2007).
• The
The Puget Sound Technical Review Team (TRT) has identified three draft major Puget Sound Technical Review Team (TRT) has identified three draft major
population groups (MPGs) and 32 draft demographically independent populations
population groups (MPGs) and 32 draft demographically independent populations (DIPs) for Puget Sound steelhead (Figure 2).
(DIPs) for Puget Sound steelhead (Figure 2).
• Native steelhead have shown little or weak response to reduced harvest
throughout
h gh
the
h DPSS based
b d on escapement
p
and
d totall run size estimates for
f five
f
populations
p
p l ti
(Fig
((Figure
3))
3).
• Steelhead
Steelhead populations are showing declining trends populations are showing declining trends
(Hard et al 2007 and Ford et al 2010) and concern
(Hard et al. 2007 and Ford et al. 2010) and concern exists regarding lack of data for steelhead populations in g d gl k fd
f
lh d p p l
P g tS
Puget Sound. Additional steelhead monitoring is needed.
d Additi
l t lh d
it i g i
d d
• There is concern regarding the lack of data available for the majority of
steelhead
t lh d p
populations
p l ti
i the
in
th Puget
P g t Sound
S
d DPS.
DPS More
M
d t il d information
detailed
i f
ti
on
population abundance and productivity can be found in the NMFS Status review
update for Pacific salmon and steelhead listed under the Endangered Species Act
(F d et al.l 2011).
((Ford
2011))
NWIFC
Figure 2. Puget Sound Steelhead Draft Major Populattion Groups (MPGs) and Distinct Population Segments (DIPs).
Skkaaggitt Riivver
14000
12000
10000
8000
6000
4000
2000
0
Total runsize
Total harvest
Escapement
10000
Greeeen
n Rivveer
16000
8000
6000
4000
2000
0
Total runsize
Total harvest
Escapement
4000
4500
3500
4000
3000
2500
2000
1500
1000
500
0
Total runsize
Total harvest
Escapement
p
7000
Nissquallyy Rivveer
12000
Sno
oh
ho
om
missh
m
h R
Riivver
18000
Puyyaallu
up
p R
Riivver
NWIFC
3500
3000
2500
2000
1500
1000
500
0
Total runsize
Total harvest
Escapement
p
6000
5000
4000
3000
2000
1000
0
Total runsize
Total runsize
Total harvest
Total harvest
Escapement
Figure 3 Effects of reduced harvest on escapement and total run size estimates for natural origin steelhead from 1984/85 to 2006/07 for the Skagit Snohomish Green Puyallup and Nisq
Figure 3. Effects of reduced harvest on escapement and total run size estimates for natural­origin steelhead from 1984/85 to 2006/07 for the Skagit, Snohomish, Green, Puyallup, and Nisq
qually river basins Total harvest includes both tribal and non tribal catch; all Puget Sound salmon and steelhead fisheries Total estimates are represented by numbers of native steelhead
qually river basins. Total harvest includes both tribal and non­tribal catch; all Puget Sound salmon and steelhead fisheries. Total estimates are represented by numbers of native steelhead.