9458

• UCREFRP Catalog Number: 9458
• Author: National Park Service.
• Title: Workshop on Population Estimates for Colorado Pikeminnow and Humpback Chub.
• USFW Year: 2001.
• USFW - Doc Type: Fort Collins.
• Copyright Material: NO

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11 :50-1:30

1 :30-2:20

2:20-5:00

December 7, 2001

8:00-10:10

10: 10-10:25

10:25-10:45

10:45-1 :25

a) Colorado River - Doug Osmundson and Ken Burnham (11 :00-11 :20)

b) Green River (including both middle and lower reaches) - Kevin Bestgen,
John Hawkins, Mike Hudson, Ron Brunson and Tim Modde
(11:20-11:50)

Lunch

SESSION A Continued.

c) San Juan River estimates and stocking plans - Dale Ryden and Jim
Brooks (1 :30-1 :50)

d) Stateof Colorado's estimates - Tom Nesler (1 :50-2:20)

6) Review of methods and acceptable estimates - Bob Muth, Moderator.

7) SESSION B: Population estimates for humpback chub and associated
methods [speakers should focus on data relevant to the population estimates
and determination of recruitment of age A fish (i.e., length-frequency
distributions); the approach and assumptions in developing the estimates; and
recommend first acceptable estimate]

a) Black Rocks - Chuck McAda (8:00-8:20)

b) Westwater and Desolation/Gray canyons - Tom Chart, Melissa Trammell
and Mike Hudson (8:20-8:50)

c) Yampa Canyon - Tim Modde and Bruce Haines (8:50-9:05)

d) Cataract Canyon - Rich Valdez (9:05-9:20)

e) Grand Canyon - Melissa Trammell, Lew Coggins and Rich Valdez
(9:20-9:40)

f) State of Colorado's estimates - Tom Nesler (9:40-10:10)

Break

8) The use and application of stock assessment models for monitoring
endangered fish in the Colorado River - Lew Coggins and Carl Walters

9) Review of methods and acceptable estimates - Bob Muth, Moderator