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Il <br />-'~ , c~tlf <br />~~ ~ ~~~ <br />11 REPLY <br />REFER TQ: 151 <br />565. <br />'~, i <br />~I <br />r ,.W,t~eL ~l <br />~, /~ <br />~~~~ n~~i <br />Memorandum <br />tes Department of the Interior <br />BUREAU OF RECLAMATION <br />PER COLORADO REGIONAL OFFICE <br />P.O. BOX 11568 <br />SALT LAKE CITY, UTAH 84147 <br />J <br />,~ C ~ 2 i'77 <br />To: Area Manager, Fish and Wildlife Service, Room 1422, <br />Federal Building, 125 South State Street, Salt Lake <br />City, Utah 84138 <br />From: Regional Director, Salt Lake City, Utah <br />Subject:_ Draft Colorado Squawfish Recovery Plan <br />In accordance with ,your memorandum of August 19, 1977, representatives <br />of the Upper and Lower Colorado Regions of the Bureau of Reclamation <br />have reviewed the draft of the Colorado Squawfish Recovery Plan and <br />offer-the following comments for your consideration: <br />General Comments <br />A map showing the rivers. discussed and range of the Colorado <br />squawfish would be very helpful. <br />The Bureau is presently negotiating a contract with the Museum <br />of Northern Arizona to sample the Grand Canyon between Glen <br />Canyon Dam and Lake Mead, The information gathered will be <br />incorporated into the fishery section of the Comprehensive <br />Environmental Statement (CES) for the Colorado River Basin. <br />The information will be made available to the recovery team <br />upon completion of the study. <br />Specific Comments <br />Introduction Section - "Reasons for Decline" -The narrative <br />goes into great detail and length describing the effects of <br />J-1 impoundments; however, little is said about the effects of <br />introduced species. Impacts arise in the form of both pre- <br />dation and direct competition, a perfect example of which can <br />be observed on the lower San Juan River and in many other areas <br />throughout the Colorado River system. The few backwaters that <br />do exist along the lower San Juan, suitable for use as spawn- <br />ing areas for squawfish, presently contain tremendous populations <br />,o~urloN <br />e`` e'c~ <br />s ~` <br />2 <br />U Ij <br />~il~b ^ 2 <br />~~~6-19~~0 ~~ <br /> <br /> <br /> <br /> <br /> <br />i~ <br /> <br />t <br />1 <br />n <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br />