Record Details
page 652
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 652 Final Environmental Statement : authorized Bonneville Unit, Central Utah Project, Utah, page 652 |
| Coverage | Electronic reproduction; |
| Source | Bureau of Reclamation. Department of the Interior |
| Publisher | Brigham Young University |
| Date | 2005-10-14 |
| Format | 652 text/PDF |
| Rights | Brigham Young University; http://lib.byu.edu/about/copyright/generic.php Public Domain Public |
| Language | English; eng; en |
| Relation | Central Utah Project; Western Waters Digital Library; issue raised b by utah environmental center and was mentioned in the preliminary survey of the biota of the bonneville unit of the central utah project prepared by the center for health and environmental studies brigham young university response the main concern expressed regarding the possibility of the bonneville unit causing serious intermixing of faunal gene pools that have previously been distinct involved fish species moving from the colorado basin into the bonneville basin there was some additional anxiety concerning other biological components of the aquatic ecosystem A description of the existing fish fauna in utah and in the unit area is given in section B of this statement the original fish populations of the state have undergone drastic changes since settlement in the 1800s the result of mans activities both intentional and unintentional has been a severe reduction in numbers and kinds of native species to a point where virtually all important sport fish species have been introduced and several native species are threatened with extinction or are already gone the game fish situation is explained in the following passages extracted from fishes ffshes fi s ees hes of utah 1963 by W F sigler department of wildlife resources utah state university logan utah and R R miller museum of zoology university of ann arbor 68 00 michigan michigan00 michigan68 Michigan comparison of collections taken in the 1880s with those acquired since 1938show 1938 show dramatic dramatically dramaticelly elly bily that the fish fauna of utah and of the american southwest in general underwent drastic change during the century from 1850 and 1950 tiller ll ller iler iier 1961 at least four species humpback chub colorado squawfish humpback sucker and june sucker are threatened with extinction in utah and probably both the utah cutthroat trout and the colorado cutthroat trout have become extinct the distribution and abundance of others have been greatly curtailed the utilization of waters by man pollution irrigation practices overgrazing cutting of forests and introduction of alien species have all contributed to the replacement and depletion of native stocks introduction of hait halt bait balt fishes as well as intentional plantings of exotic game species and of water diversions across divides have resulted in the mixing of once distinct faunal faunas such as those of the bonneville and colorado basins depletion and gradual I 1 elimination of many of the native kinds appears to be an inevitable consequence of advancing civilization salmo clarki richardson cutthroat trout this species the only trout native toutah boutah to utah and the intermountain region generally was once widespread and abundant in suitable waters over the state because of the remarkable variations in color spotting scale number and body form this species has received many different scientific names in different parts of its range largely for convenience in discussing the cutthroat trout of the different drainages the species is here subdivided into subspecies whether these are valid remains to be determined 652 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/5204 |
