Record Details

page 3-51

Digital Collections at BYU

Field Value
Title page 3-51 Phase II summary report (final) : Utah Lake water quality, hydrology and aquatic biology impact analysis summary for the irrigation and drainage system--Bonneville Unit, Central Utah Project, page 3-51
Coverage Electronic reproduction;
Format 3-51 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; not change the trophic status of the lake but will cause an increase in productivity such an increase could be as great as tenfold or more depending upon the actual amount of nutrients that enter the main body of the lake the algal flora could also change due to the addition of these nutrients this is particularly the case with the diatom floras which will viii shift toward favoring those species which currently dominate provo bay the consequences of this increased productivity is open to question algal blooms which currently occur on utah lake are already heavy in the late summer and fall in some parts of the lake such blooms do not bother all of the recreational users of the lake but they do bother many water sports enthusiasts and limit the use of the lake to some extent the effects of increased algal production on recreational use of utah lake are difficult to predict it is our opinion that the larger blooms will create only minor changes in recreational usage of the lake the increased productivity will have an impact on some littoral communities of the lake since it is common for wave action to windrow the bloom algae along the shore and concentrate it in shallow waters this can smother the littoral communities and is already seen occasionally in the lincoln beach and northeastern shores of the goshen bay region of the lake such damage is caused by light limitation the production of algal toxins and the development of anoxic conditions with the decomposition of concentrated organics this will be accentuated by increased algal productivity these large blooms often stress fish communities it is common to have large fish kills in many localitites in temperate regions of the world in hypereutrophic hyper eutrophic systems however it is unlikely that the increased productivity of utah lake will create major problems small localized fish kills are ocasionally occasionally ocasio nally seen presently but due to wind patterns and other factors massive buildups of aphanizomenon andor 3 51
Identifier http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/10353

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