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Last modified
7/14/2009 5:02:32 PM
Creation date
6/1/2009 11:22:32 AM
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UCREFRP
UCREFRP Catalog Number
8057
Author
Bennett, J. R., D. A. Krieger, T. P. Nesler, L. E. Harris and R. B. Nehring.
Title
An Assessment Of Fishery Management And Fish Production Alternatives To Reduce The Impact Of Whirling Disease In Colorado.
USFW Year
1996.
USFW - Doc Type
Denver, Colorado.
Copyright Material
NO
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better restroom facilities, picnic tables/shelters, water pumps, and other amenities could be <br />expected to increase recreation days (currently about 11% of statewide total recreation <br />days) by 15-30%. <br />3. Improve habitat --The greatest limiting factor for our larger and most productive <br />warmwater habitats is water quantity. Inconsistent and generally low water conditions <br />characterized by high fluctuation and high turnover have been identified by our warmwater <br />biologists as the most detrimental attributes in the establishment of multispecies warmwater <br />fisheries. The costs and politics of acquiring water rights or use agreements are difficult <br />obstacles, as evidenced by the great plains reservoirs on the lower Arkansas River drainage. <br />Without significant reallocation of financial resources, the DOW will not be competitive in <br />the water acquisition arena. <br />4. Change species management -- A reasonable option for some lakes may be a change in <br />management from catchable trout to warmwater species. This option has worked well in a <br />number of warmwater/coolwater habitats across the state. Most notable are Pueblo <br />Reservoir, Horsetooth Reservoir, Cherry Creek, and Rifle Gap, where dependency on <br />catchable trout has been reduced by the establishment of excellent warmwater fish <br />populations. However, these types of habitats may again become more important for <br />stocking catchable trout and maintaining recreation days if catchable stocking in <br />mountainous areas is reduced or eliminated. <br />5. Increase participation via information and education programs -- It is thought that the DOW <br />could influence angler use of warmwater habitats by providing information on the <br />productivity of these waters, and educating anglers about the "what's, when's and how's" of <br />these fishing experiences <br />Promote Seasonal Use of Catchable Trout in Warmwater Habitats <br />Most of Colorado's "warmwater" fishing recreation waters are manmade reservoirs <br />developed over the last century to supply water for a wide array of beneficial uses across the <br />state. Warmwater fishing recreation, managed as a secondary use in most reservoirs, is produced <br />during the late spring and summer months in these waters as warmwater species of fish become <br />active and vulnerable to angling. During cooler months of the year (September - March), <br />"warmwater" impoundments produce only limited fishing recreation. In the fall of the year, <br />reservoirs are at minimum water levels and water temperatures begin to cool, creating <br />"coldwater" environments capable of supporting coldwater species of fish. <br />DOW fishery managers, stocking catchable trout in the early fall in selected impoundments <br />across the state, have successfully created new fishing opportunities for fall/spring trout and <br />icefishing. These opportunities have been particularly popular and well received in low-elevation <br />plains areas, where anglers can enjoy trout fishing without the expense and time required to travel <br />to mountainous locations. <br />23
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