7163 ‎(2)‎

• UCREFRP Catalog Number: 7163
• Author: Haynes, C. M. and J. R. Bennett.
• Title: Relationship between the Preservation of Wilderness Values and Endangered Species
• USFW Year: 1985.
• USFW - Doc Type: A Case-Study from the Upper Colorado River Basin, U.S.A.
• Copyright Material: NO

1,000
MAXIMUM BEFORE DAM AFTER DAM
MEAN f N=34 N=78 N=221
• N=20 '•
8OO - - - --MINIMUM -..---------------------------- ........ - ..... ............... -9.._---._--- -----.--.-.. ---------
- -
------------ , Nx F49------------ ----------------- --
N=109=if
^ N=12
N-8 N=16
E N=3
600 - - - - - - - - -....- - - -.._.. .......... ._.._.. - - -.._.._..._.--.,_.._..- ---------------- ---------------- ._..--.-- -;._..- --- - - .... -
Z 400 ----------------------------------------------- ---------------------------------- ------ -------- ----------------.._.._..---------- -----.._..----- -------- - - ----------- -
-------- - - ----..---
W
J '
200 ..-..----- ------- ------------ -------------....-.--------.._.._..-.--- --.--.-..--.-. - +- -------------- -----------------------.._..----------------- ------- ------ -.._.._..-
- - - - - - - - -.._.
0
1977 1978-79 1979-81 1983 1984 1985 1987-90 1992 1993 1977-84 1985-93 1977-93
5,000
MAXIMUM BEFORE DAM AFTER DAM
I MEAN N=20 N=25 N=63 N=149
4,000 - - --MINIMUM .............................................................. ........ ....... ............................................ -------- ----------------------- ----------------•
-----------
N=9 N-6 ---91
--------'•-------------- - - - - - - - - --
I- 3,000 ------------.._..-----------------,--- ---------------- ;
= N=12
0
W N=8 N=68
2,000 . ' - - -------- ............................ ---- -------------- --.-----.-.-- - - - N=3
1,000 - - - - - -----••--- - - .......... --------- - - - - - ----..- -- - - - - - ........ - - - - - - - - - --------- - - -
0
1977 1978-79 1979-81 1983 1984 1985 1987-90 1992 1993 1977-84 1985-93 1977-93
Figure 7.-The mean length (mm) and weight (g) of Colorado squawfish captured before and
after completion (December 1984) of Taylor Draw Dam, White River, Colorado and Utah,
1977-1993.