7346

• UCREFRP Catalog Number: 7346
• Author: Wick, E. J. and J. A. Hawkins.
• Title: Colorado Squawfish Winter Habitat Study, Yampa River, Colorado 1986-1988.
• USFW Year: 1989.
• USFW - Doc Type: Fort Collins, Colorado.
• Copyright Material: NO

I
POOL
BACKWATER
n= 42 observations
n= 4 observations
,
as ----------- ----------'- ........... _------------------------------------------------------------------
pg
......----?
-------- .............. OB .....------ -----------...............--------------...............----

C
0.7
-----------
--------------------------------------------------------------------------------------------

7
a

-----------

--------------------------------------------------------------------------------------------
'

i° os ..... ..... ................................................•---.......---•".................."'.... .
as
..........
.............
-~rl

0 O-4

03 .-.......-.

----- ...
................ ........ ............................................
........................
...................... ................................................. 0.4

0.3 ...........

....... ..........-..--.....--.................--....................-.......---...-...-....-.......

........................................ •....... ......-'-'-'-""""--.......

- ...-
0 0
-0.2 02 0.8 1 1.4 1.8
o as 0-5 12 , .s 2
VELOCITY (fV&) -02 02 0.6 1 1.4 1.8
0 oa Q8 1.2 1.8 2
VELOCITY (ft/&)
' EMBAYMENT RUN
n= 12 Qbservations n= 37 observations
1 ,

OB '-'-------- 1-11-1 --------- ----------- I ----------- ..........................-'---- as ---------.............------------ ---""""'..........................---'--'-'--................'..-'

44
to
N
..y 0.7

CLS

0.5

0.4
013 -°°------ ---------------------- ............................................................ -........ .

........................................ ........
...........
.........:. ............................................................................................
........... ............................................................................................
-••--'--'-• •-• .... .......................•-------- •--------- .............. 07 °---'-'--........................

OB .1 ..........
0.5 ....................

0.4 ....................
03 .................... ....................... .............. •...............................

......................................................................
......................................................................

................................................................

.................. .

CO
----------- ------------------------------ '----.............----------- ....................-------------
at -•-•---------- ...... ..
............. ............................. ..............

' 0
-02 0.2 0.8 1 1.4 1B
0 - Q4 oB 1.2 1.s 2
VELOCITY Ova) a
-Q2 O.a
0 a4
0.8 1 1.4 1.8
OB 1.2 1.6 2
vELoarY (rt/s)
EDDY SHORELME
D= 24 observations n= 27 observations
0.9 ----------- ................."--'----"---'--------..'-...........-'.-'....--"-"."-"'-.--''-
aa --•-------- ........... '.......................................................... --------------.- as .. ................... ............................................................
0
-• ................................................."".-'-".....---.........
I
N Qe...........
pB ........... ......................................................................................
...."°'•-°°'-'....°°"---•-'-"•-' ..........................'-°•-----...........
Q5 ••------------

r 0.4 ------ -- -"....................... ............-.....---......................................
0.4 ..... ............. ..... .....................................................................
0-3 ........... ....................................................................................... p ........... .......° .... .................................................................
....
02 ----- ' ----- ..... ...............'-'---°----•-"--•--•'-'----°------ °-°--°-----°---
0.1 ------ ..... ........................... .............. --....... ---...-•-................ Q1 ..... ...........-....................---"---°-----------°'--"-----
----- ••--
0 p
-02 02 0.6 1 1.4 11 -0.2 Q2 0.6 1 1.4 1.8
O Q4 a8 1.2 1 B 2 O Q<4 OB 12 1.s 2
V8.OCITY (ft./ft) VELOCITY (ft/4)

Figure 15. Velocity utilization (riomlized) in each habitat
by radiotalgged Colarado squawfish &wing the fail
1987 on the Yampa River, Colorado.

33