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Assessment Summary

ISRP Assessment 2007-024-00-ISRP-20060831
Assessment Number: 2007-024-00-ISRP-20060831
Project: 2007-024-00 - Coeur D'Alene Trout Ponds
Review: FY07-09 Solicitation Review
Completed Date: 8/31/2006
Final Round ISRP Date: None
Final Round ISRP Rating: Meets Scientific Review Criteria - In Part
Final Round ISRP Comment:
This proposal is for continuation of trout stocking for a put-and-take fishery in three existing ponds, for building and operating two new ponds for expanding the same function, and to conduct a "feasibility" study for a central holding/transfer facility for rainbow trout. The ponds are stocked annually with trout purchased from hatcheries. Expanded subsistence harvest is needed to partially mitigate for loss of anadromous fish and to make up for tightened restrictions on trout fishing in natural waters of the area.

This project appears fundable for all components except the feasibility study for construction and operation of the transfer/holding facility.

The information provided (in the response document) on use of the ponds for angling indicates that the recreation provided is a distinct asset to the community. Therefore, the overall project has much merit beyond purely scientific considerations.

The ISRP considered the general background and logic for the put-and-take fishing reasonable, but requested a response having sufficient detail to justify the new ponds. They asked that the response show an assessment of the benefits associated with the existing ponds, including fishing pressure (angler trips and hours), harvest estimate (fraction of the number stocked that are caught, number caught per hour fished), and economics (annual program cost per trout harvested and per pound of trout harvested). The response's year-by-year narrative on angling and population estimates helps toward understanding the history of the fishery. It also reveals the need for better monitoring measurements in the future. In addition to making proper harvest estimates, the method of population estimation should be more fully described in future proposals (the basic equation, gear and procedure), and the resulting estimates should be shown with upper and lower confidence limits. In future reports, the sponsors need to define "maximum benefit," show how they will "use information from the angler surveys to improve upon the existing program," and, explain how "we will use it such that we balance the expense fishing opportunity for the reservation community."

The ISRP asked for more information on proposed pond construction and on water supply and hydrologic analyses. The response to this was adequate.

The ISRP requested information to support the feasibility study for the envisaged central holding/transfer facility (for out-year construction and "designed to hold up to 50,000 lbs." of rainbow trout). The original proposal did not justify the possible need for such a facility. The sponsors did not respond. The proposal does not present a basic rationale for the facility and does not consider elementary issues. Holding fish in a transfer facility is likely to be a challenging management problem, considering the routine difficulties maintaining fish at high density, providing proper storage of food supplies, preventing and treating disease, etc. The sponsors have not said why present arrangements for supplying fish from hatcheries might be so inadequate as to necessitate a holding facility.

In addition, the proposal did not contain adequate description of monitoring and evaluation (M&E) for the project. It was proposed only to develop a plan for M&E. The ISRP requested an M&E plan covering design and procedures of creel census and data analysis—and response on some apparent technical problems. The response was adequate, but M&E methods should be improved (according to ISRP suggestions detailed in original review), and reporting of results should be more thorough in the future.
Documentation Links:
Proponent Response: