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Last modified
1/26/2010 12:34:43 PM
Creation date
10/11/2006 10:55:53 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8441.600
Description
Colorado Big Thompson Project - Studies
Basin
South Platte
Water Division
1
Date
5/1/1951
Title
Recreational Use and Water Requirements of the Colorado River Fishery Below Granby Dam Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />trout taken during August and September were taken using stone fly nymphs <br /> <br />a as bait. Fishermen contacted on this portion of the river who were averse <br /> <br />r::) <br />l\j <br />w <br />~ <br /> <br />CJ~ <br /> <br />to using nymphs or unskilled in their use CAught few fish.. Below the mouth <br /> <br />of Fraser River fly fishing 1..ras somewhat more productive" but fly fishermen <br /> <br />\~re still not as successful as those using stone fly nymphs~ salmon eggs~ <br /> <br />or spinners. There is every reason to believe th~ t the number of trout <br /> <br />taken from the Colora.do River in the reach from Granby Dam to 1i ttle Muddy <br /> <br />Creek has in recent years equa,led or exceeded the figures shown for 1948, <br /> <br />shown in Table 2jl and has greatly exceeded the number taken in 1949. <br /> <br />49.. In Table 2, it is possible to compa.re the cCltches from waters <br /> <br />affected by varying degrees of public access.. It will be seen that total <br /> <br />catch is greatest in those portions open to free public access, followed <br /> <br />., <br />'.~~ <br /> <br />by those in,which public use is somewhat restricted (restricted to paying <br /> <br />guests and friends).. It is least in areas where fishing use is restricted <br /> <br />to club members or personal friends of the owner.. It is believed that the <br /> <br />more heavily used portions of the stream are.capable of sustained annual <br /> <br />harvests equal to the 1948 yield,? and that if reaches now in the "restricted <br /> <br />water" categor<.r were opened t.o greater fishing pressures their yield would <br /> <br />approximRte that of other part.s of the stream.. This assumes,9 however, that <br /> <br />the quantity and quality of the aquatic environment are to be maintained to <br /> <br />the extent that no decrea.se will occur in the existing trout populations <br /> <br />and their ability to reproduce.. <br /> <br />-17- <br />
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