7908

• UCREFRP Catalog Number: 7908
• Author: Valdez, R. A. and R. J. Ryel.
• Title: Life History and Ecology of the Humpback Chub ‎(
• USFW Year: 1995.
• Copyright Material: NO

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BID/WEST, Inc.

1063 West 1400 North
logan, Utah 84321
[phone]

MEMORANDUM

TO: Interested Parties

FROM: Rich Valdez, Principal Investigator

SUBJECT: Final Report for Contract No. 0-CS-40-0911O

DATE: December 11, 1995

BIO/WEST, Inc. is pleased to submit the FinSlI Report to Bureau of Reclamation
(Reclamation) and 'Glen Canyon Environmental Studies (GCES) as partial fulfillment of the
requirements and deliverables for Reclamation Contract No. O-CS-40-09110 entitled Life
History and Ecology of the Humpback Chub (Gila cypha) in the Colorado River. Grand:
Canyon. Arizona.

For your information, an Executive Summary and an Appendix are separate
companion documents to this report. Also, BIO/WEST has produced the following series
of six (6) supplements:

1. Data Collection Plan (Supplement No. I),

2. Evaluation of Sampling Design (Supplement No. II),

3. Photographic Record of Humpback Chub (Supplement No. III),

4. ,Grand Canyon Fisheries Integrated Database (Supplement No. IV)

5. Preliminary Development of a Population Model for Humpback Chub (Gila
cypha) in Grand Canyon (Supplement No. V), and

6. Flow Routing Model (Supplement No. VI). .