MANAGING WITH STOCKED TROUT AFM Rick Lorson Under Construction

Stocked Trout Program Elements: Over 4 Million Adult Trout 8 Million Angler Trips * $250 Million Angler Dollars *

Other Program Elements: 1.2 Million Cooperative Nursery Program Adult Trout 1.1 Million Fingerling Trout

Presentation Purpose:  Where and How Many Trout Stocked?  How we Evaluate Stocked Trout Program.  Actual Stocked Trout Angler Use.  Streams will be covered first, then Lakes.

Adult Trout are Stocked in over 4,400 Stream Miles How Many Trout should be Stocked in each Stream? Harrisburg, PA Phoenix, AZ

Stocked Trout Streams Are Categorized By: Wild Trout Population Stream Bank Ownership Human Population Density Average Width Access By Roads Amount Of Vehicle Parking

Mountain Stream Valley River

Mountain Stream Valley River Wild Trout Smallmouth Bass

Wild Trout >< Stocked Trout  20  20 Legal Wild Brook Trout per Mile  90  90 Legal Wild Brown Trout per Mile  1,110 Legal Stocked Trout per Mile- Public Streams Category

How Do We Evaluate Our Trout Stocking Program? How Do We Evaluate Our Trout Stocking Program?

Performance Measures -Angler Effort -Angler Catch * -Angler Trips Produced

Rank each Performance Measure from Lowest to Highest to obtain:

Some Other Categories for Streams

TROUT STOCKING IN LAKES

Adult Trout are Stocked in 117 Lakes How Many Trout should be Stocked in each Lake?

Lakes Are Categorized By: Lake Size Human Population Density -- For The Lake Itself -- For The Surrounding Area

Stocking Rates For Lakes Very Small Lakes 600/Acre Small Lakes 325/Acre Medium Lakes 150/Acre Large Lakes 75/Acre Very Large Lakes 5/Acre

Stocked Trout Program Stream and Lake Summaries

The Three Top Ranked Categories for Performance Measures were:  Delayed Harvest  Public Streams  Very Small Lakes

 Angler Trips on Streams were Considerably Higher for the Opening Week Compared to the Week Following an Inseason Stocking.

 Trout Catch on Streams was Higher for the Week Following an Inseason Stocking Compared to the Opening Week.

 Total Angler Trips for a Stream Stocking Category Statewide was Highest for Rural Streams.