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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Mainstem Lookout Creek, below the confluence with
McRae Creek, in the HJ Andrews Experimental Forest
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-001
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer (CreekWalker Photography) and OSU
undergraduate student Rylee Rawson electroshocking
to sample fish and salamanders. The animals are
captured, measured, and released back into their
original location.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-002
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Najma Ain, Rylee Rawson, and Dave Leer
electroshocking in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-003
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Najma Ain, and Rylee Rawson
electroshocking for fish and salamanders in
Lookout Creek. The bucket in the foreground has
cutthtroat trout.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-004
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Najma Ain, and Rylee Rawso
electroshocking in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-005
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Fish and salamanders are collected into a
temporary bin where they are measured before being
released back into the stream.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-006
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Fish and salamanders are collected into a
temporary bin where they are measured before being
released back into the stream.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-007
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Najma Ain, and Rylee Rawson survey the
fish and salamanders
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-008
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Coastal giant salamander, underside
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-009
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Coastal giant salamander
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-010
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Gwen Bury displays a sample bag containing gut
contents of a cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-011
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
close up of a sample bag containing gut contents
from a cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-012
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Mainstem Lookout Creek, below the confluence with
McRae Creek, in the HJ Andrews Experimental Forest
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-013
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Theo Nuss washes out the gut contents of a
cutthroat trout by gastric lavage
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-014
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
After a gastric lavage, the gut contents are put
through a coffee filter, to catch the
particulates. The entire filter is saved in a
sample bag for later analysis.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-015
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Gwen Bury records data on length of a cutthroat
trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-016
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Gut content of a trout included a yellow jacket,
complete with stinger
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-017
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
A cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-018
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
A cutthroat trout having its gut contents washed
out with a stream of water. The procedure is not
harmful and the trout is released back into the
stream afterwards.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-019
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Gut content is put through a coffee filter and the
entire filter is kept to analyze all particulates
later
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-020
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Post-doc Gwen Bury with a coastal giant salamander
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-021
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
This coastal giant salamander had a large fish, a
sculpin, in its stomach. The fish came out during
the gastric lavage procedure.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-022
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
This coastal giant salamander had a large fish, a
sculpin, in its stomach. The fish came out during
the gastric lavage procedure.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-023
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Coastal giant salamander being measured for length
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-024
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
A coastal giant salamander being measured for
length in the left bin, and the sculpin that was
in the salamander's gut in the right bin
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-025
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
OSU undergraduate student Theo Nuss readies the
sampling equipment
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-026
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
OSU undergraduate student Theo Nuss recording data
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-027
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
A very large cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-028
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Electroshocking in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-029
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
The pool behind this rock was home to a very large
cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-030
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
The rocks in the stream were covered in algal
growth
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-031
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Rylee Rawson, an undergraduate field technician,
helps with sampling
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-032
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Rylee Rawson, and Ivan Arismendi
electroshocking for fish and salamanders
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-033
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Electroshocking in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-034
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Ivan Arismendi, left, and undergraduate stduent
Najma Ain, catch fish in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-035
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Rylee Rawson, Ivan Arismendi, and Najma
Ain, electroshocking for fish and salamanders
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-036
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Ivan Arismendi, left, and undergraduate stduent
Najma Ain, catch fish in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-037
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Dave Leer, Rylee Rawson, Ivan Arismendi, and Najma
Ain, electroshocking for fish and salamanders
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-038
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Undergraduate student Najma Ain, using a net to
capture fish in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-039
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Ivan Arismendi electroshocking for fish and
salamanders in Lookout Creek
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-040
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Ivan Arismendi (Assistant Professor, OSU) with
Dave Leer (CreekWalker Photography) and OSU
undergraduate students Najma Ain and Rylee Rawson
electroshocking for fish and salamanders in
Lookout Creek.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-041
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Undergraduate student Najma Ain, left, prepares a
data card for the fish sample
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-042
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Ivan Arismendi looks at several cutthroat trout
caught in a reach of Lookout Creek.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-043
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Each sample group of fish is photographed, with an
identification card, and a ruler. Later,
researchers use the ruler and special software to
calculate the length of each fish in the
photograph.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-044
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Each sample group of fish is photographed, with an
identification card, and a ruler. Later,
researchers use the ruler and special software to
calculate the length of each fish in the
photograph.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-045
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Undergraduate student, Najma Ain, looks into a tub
containing cutthroat trout of various sized.
Researchers count and photograph the fish and
return them to the stream.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-046
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Cutthroat trout
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-047
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Mainstem Lookout Creek, below the confluence with
McRae Creek, in the HJ Andrews Experimental
Forest. In the photo are two field technicians who
are sampling gut content of fish and salamanders.
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-048
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Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates
Mainstem Lookout Creek, below the confluence with
McRae Creek, in the HJ Andrews Experimental Forest
Photographed by Lina DiGregorio ..... Date: 8/27/2019 ..... Photo: AES-049
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Research for part of the SCALER project
Electrofishing site for stream vertebrate survey
Photographed by Lauren Zatkos ..... Date: 8/15/2018 ..... Photo: AES-050
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Complex stream habitat in Mack Creek, a tributary to Lookout Creek
Complex stream habitat in Mack Creek, a tributary
to Lookout Creek
Photographed by Lauren Zatkos ..... Date: 8/27/2018 ..... Photo: AES-051
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Lower Lookout below the headquarters
Photographed by Lauren Zatkos ..... Date: 7/29/2019 ..... Photo: AES-052
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Lower Lookout below the headquarters
Photographed by Lauren Zatkos ..... Date: 7/29/2019 ..... Photo: AES-053
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Electrofishing for stream vertebrates in upper Lookout Creek
OSU graduate students Emilee Mowlds and Francisco
Pickens with undergraduate student Erik Swanson
Photographed by Lauren Zatkos ..... Date: 8/12/2019 ..... Photo: AES-054
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McRae Creek, close to its confluence with larger Lookout Creek
Photographed by Lauren Zatkos ..... Date: 8/13/2019 ..... Photo: AES-055
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Large wood in Mack Creek
Large wood in Mack Creek (tributary to Lookout
Creek) providing cover for fish and salamanders
Photographed by Lauren Zatkos ..... Date: 9/8/2017 ..... Photo: AES-056
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A fallen tree in Mack Creek
A fallen tree in Mack Creek (tributary to Lookout
Creek) has made a large pool below a small
waterfall.
Photographed by Lauren Zatkos ..... Date: 9/18/2017 ..... Photo: AES-057
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McRae Creek after fall rains begin
Photographed by Lauren Zatkos ..... Date: 9/19/2017 ..... Photo: AES-058
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Mack Creek after fall rains begin
Photographed by Lauren Zatkos ..... Date: 9/19/2017 ..... Photo: AES-059
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