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v v Article e012481v
†13
1Stream Ecology Center, Department of Biological Sciences, Idaho State University, Pocatello, ID 83209 USA
2Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931 USA
3U.S. Geological Survey, Alaska Cooperative Fish and Wildlife Research Unit, Institute of Arctic Biology,
University of Alaska Fairbanks, Fairbanks, AK 99775 USA
Citation:
Abstract.
in situ
to trout
Key words:
Received
† E-mail:
Copyright:
4
v v Article e012482 v www.esajournals.org
COLLINS ET AL.
IntroductIon
v v Article e012483 v www.esajournals.org
COLLINS ET AL.
in situ
Methods
Study area
2
v v Article e012484 v www.esajournals.org
COLLINS ET AL.
Stream
2)†
‡
Volume
(m3)¶
3)¶
23 30 0
0 0
11
20 16
6 10 7
18 20 3
23 7
16 60 0
28 30 21
†
‡
v v Article e01248 v www.esajournals.org
COLLINS ET AL.
(Oncorhynchus tshawytscha
(O. mykiss
O. mykiss
(Salvelinus fontinalis
(Cous confusus S. conuentus
Experimental treatments and design
O.
mykiss, O. tshawytscha
Myxobolus cerebralis
P
m
2
Measurement of periphyton and benthic
invertebrate biomass
v v Article e012486 v www.esajournals.org
COLLINS ET AL.
a
2
Resident fish gut contents, abundance, biomass,
and annual production
Site
))
2008 2010 2008 2010
v v Article e012487 v www.esajournals.org
COLLINS ET AL.
Cous
confusus
Trophic basis of trout production and annual
consumption of benthic invertebrates
item (Fi
Gi i
i
i
Pj
ij
i
Statistical analyses
Fi=(Gi×AEi×NPE)
PF
ij =
F
i
n
∑
i=1
Fi
×P
j
v v Article e012488 v www.esajournals.org
COLLINS ET AL.
a priori
P
results
Periphyton and insect biomass
a
F P
F P
a
FP
F P
F
P
F
P FP
F P
FP
FP
P >
Biomass, density, growth rates, and annual
production of resident fishes
F
P F
P
P >
P > P >
P >
F P
F P
F P
F P
F
P
v v Article e01248 v www.esajournals.org
COLLINS ET AL.
F P
F P
F P
F P
F P
F
P
F
P
FP
F
P
FP
a
v v Article e0124810 v www.esajournals.org
COLLINS ET AL.
Trophic basis of trout production and annual
consumption of benthic invertebrates
v v Article e0124811 v www.esajournals.org
COLLINS ET AL.
)
FP
FP
F
P
FP
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COLLINS ET AL.
dIscussIon
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COLLINS ET AL.
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COLLINS ET AL.
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COLLINS ET AL.
personal observation
AcknowledgMents
references
v v Article e0124816 v www.esajournals.org
COLLINS ET AL.
On-
corhynchus kisutch Oncorhynchus
mykiss
Sal-
mo trua L
Salmo salar
Oncorhynchus spp
v v Article e0124817 v www.esajournals.org
COLLINS ET AL.
Oncorhynchus nerka)
in
Cous schit-
suumsh
in
v v Article e0124818 v www.esajournals.org
COLLINS ET AL.
in
in
