7605

• UCREFRP Catalog Number: 7605
• Author: Schaeffer, L.
• Title: Avian Predators at ODFW Hatcheries
• USFW Year: 1992.
• USFW - Doc Type: Their Identification and Control.
• Copyright Material: YES

BIRD PREDATION:

BIRDS
types numbers

FISH LOSS
types numbers

sizes

WHEN A PROBLEM
time of time of
day month

time of
year

WHERE A PROBLEM
(Pond type on-station,
At release, Downstream, etc.)

c===============c================~================================a_===============================a=================================

CONTROL MEASURES NOW BEING USED:

Physical Barriers - Describe
Completely enclosed (nets):
Partial enclosures-
overhead wires:
lines:
nets:
screens:
Perimeter fences:
Other - DESCRIBE:

Appx. Cost

Pond Tvpe

SuccessfullY/NI & Why

~
m

Friahtenina Devices - Describe
Automatic exploders:
Cracker shells:
Alarm or Distress Calls:
Lights:
Water Spray Devices:
Other - DESCRIBE:

ApPx. Cost

Personnel Time

Pond Tvpe

SuccessfullY/NI & Why

Have you recently budgeted for or are you planning in the near future to add eontrol measures?
Explain:

Measures you would use if you had unlimited resources (time, personnel, money, etc.) Be creative!
Include type of control measure, cost, where it would be used, and why you think it would be successful.