7422

• UCREFRP Catalog Number: 7422
• Author: Valdez, R. A. and W. J. Masslich.
• Title: Winter Habitat Study of Endangered Fish - Green River.
• USFW Year: 1988.
• USFW - Doc Type: Logan, Utah.
• Copyright Material: NO

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DRAFT

TABLE OF CCNl'ENTS

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1.0 INTRODUCTION . . . .
1.1 OBJECTIVES . . . .
1.2 BACKGROUND . . . .
2.0 S'IUDY AREA . . . .
3.0 METHODOLOOY . . . . . . .
3.1 EQUIPMENT . .

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3

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3.1.1 Electrofishing.. .... . . . . .
3.1. 2 Radiotelemetry. . ...... . . . .
3.1.2.1 Radiotransmdtters and Receivers . . . . . .
3.1.2.2 Surgical Implant Procedures . . . . . . . . . . . .
3.1.2.3 Radiotracking. . . . . . . . . . . . . . . . . . .
3.1.2.3.1 Aerial Telemetry. . . . . .
3.1. 2.3.2 Ground Telemetry . . . . . . . . . . . . . .

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3.2.1
3.2.2
3.2.3
3.2.4

Two-Hour Monitoring . . . .
Twenty-four Hour Monitoring . . . . .
Crepuscular Monitoring .
Test Flow Monitoring .

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3.2 MONITORING . . . .

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3.3 HABITAT MEASUREMENTS

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3.4 HSI CURVE DEVELOPMENT .

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3.5 S~TISTlCAL TESTS . . .

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4.0 DESCRIPTION OF WINTER RIVERINE CONDITIONS . .

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4.1 THE WINTER OF 1986-87 .

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4.1.1 River Flow. . .
4.1.2 Air and Water Temperature
4.1.3 Ice Conditions . . . . .

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4.2 THE WINTER OF 1987-88 . .

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4.2.1 River Flow. . . .
4.2.2 Air and Water Temperatue
4.2.3 Ice Conditions . . . . . . .

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