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<br />10/21196 liON <br />--:- _"_ _, O~ FAX ~7~0601 <br /> <br />SQUAWFISH: <br />Fertilizers to <br />be examined <br /> <br />~ Continued from hee One <br />ha.." been used durin: the past ellht <br />yean to lower salt IeYds In GDlld <br />Valley waters, with a focus on 1inIn( <br /><an8Is and cIw1iilII IrtIp.tlon <br />practloes, <br />A IOta! of 515 agrlcuItunlland. <br />~'1lelS In the Grand Valley !laV\l <br />signed contraC[5 that cbange lrril:3' <br />don pramas since 1988. with an es- <br />timated 1.200' aJlI'icultural <br />landowners III the area. <br />., Seventy pe..reent of the funding <br />. has come (rom the federal aovern. <br />ment aDd downstream staas. wir!I <br />. propel'lY owners payinJ.(ar 30 per. <br />=l Projeas inclllde replacing open <br />: dltdles with c:oncrete plprs, l/lSta!l. <br />- iI1B sprilllders:. micrqJets and <br />" "SurIB' Iniia~praaia!s. <br />WhIle such ~ ba'fe c:al salt <br />: mille CoIorado-1U~jt Is 1mtlear <br />, 'li'hether tbIl same ~ willlll- <br />duee se1en1U1tl, "'. <br />"~ !!detal study will .w..- <br />Ine 9Ihether the use at mlr11ef In <br />fert1llz2ts - and trom feedlms - <br />causes more seleniwn to be _bed. <br />from the ground. <br />The t'L-o ~vet'l' programs in <br />...estern ColllOldo ate adminJstend <br />~y 38veral feder:l1 apndes. Includ- <br />l1lJl the Flsh and WUllIife Service; <br />Bure111 ofRedawatlon and GeolOSl' <br />calSurwy.., - <br />The razorback sucker stlllly "'as <br />sponsonod and partly funded by the <br />Upper Colorado River Basin Recov- <br />ery Program, lll1d the SQ1I3.wIish <br />StUdy Will be spllosonod and partly <br />funded by lIle San Juan !liver Basin <br />RKo"'l'Y Program. <br />Be<:ause selenium's IlIlpadS on <br />Iizh are not change<l by other water <br />quality factors. the squawfish StUdy <br />1'@SU![5 - using San Juan River wa. <br />ter - would be appllcable in lbe Uj> <br />per Colorado River Basln, <br />The stUdy ...m include 36 female <br />and 16 male squawfish. al122 years <br />old. The squawfish wU1 be spUt Ill' <br />Into tanks colllainlllg dl5eti11~ lev. <br />els of selenlum, and will be f2d food <br />contalninC dilferil1g ~ of ulll." <br />um. SpaWnillg is c.<....oodneJ1JllIIe. <br />At the elI4 of lhe l'9COIIery pt'O- <br />:rams' 15-year llfespans, federal olli- <br />clab W\U rev\\!W the Pt'tlsns& of the <br />endangered fish and will dedM <br />wheUwr to ClInllnue emxu to 53.... <br />.k.llsh_ <br /> <br />---.!! 5 B R <br /> <br />~OOZ <br /> <br />~"b~ <br />}J~~ <br />l 0 I tr-J Ie, , <br /> <br />Change in food kills <br />endangered fish <br /> <br />By BEll ",,"OK <br />1!le00000s..>'iod <br /> <br />Half.a-dowll endangCI1'd razorbacK sucke,.. died ill a <br />n.h lank ut IIle U.S. llu\'ll.U of Reclam.,liun bullalng in <br />OrBJllt Junction af\E:t Ihelr fou<1 was chzmCod lale lasl <br />w~, ' <br />I NOlle of tile razul'ba.eks ale the new food they ...er. <br />given,ll1ld Ihefood buill lip on lhebOllolllol'lhe larIk- <br />When the food deeompo5ecl. It removed mudl of Ih. <br />GXylPOn flnm lhe tank. said Kathy 1I01ley. a biulaKlsl wIllI <br />the bw'eall. <br />,." :I'h&flsh tank COlltBbled dozens oflin)' rawl'backs thai <br />:_ ~ III part of a Stlltly thaI r,,,,used olllh. advel'Sl! <br />elfocts of selenium 011 razolv.ll:k ",prttlllClion. <br />1'he flsh were less lllan . year old, and llIany sulfered <br />from mUhll100s believed 10 be caused by ..,Ienlllm, a tox. <br />Ie clement found In Gr.nd VIIlley walen. <br />The only nsh to perish sllffered ft'om the mulations, <br />which ranged from humps along !heir dorsal flns Ie the <br />lack of an. eye, !'lolley said. <br />'n,c heshhy ~h sllt'vivecl. <br />"It .hows how much ...eakol' !he mutaled rlSh wen:," <br />Ilulloy sald, altdb\C ClUJ ",ishuV wuuld be nolL'lI hi federal <br />1iI1S liJr scientific pUll'''"-'S' , <br />