Show vegetation OF DESERT 1 STUDIED AT university salt lake city unless grazing on utah deserts Is strictly regulated it Is ony a a question of urne uw until the deserts will become sandy and barren according to dr walter P cotta associate professor of botany nt at the university of utah dr cottam bases liis statement on a study of the utah deserts which study hie he lias has directed for th eu 4 R S forest service hervle his report will he be published soon scion in a technical bulletin desert types ind conditions condition of neavely ire neav amily lly grazed val valley y ot of the utah desert the utah deserts have undergone profound ch chances brizes since ethe the time ot of k settlement dr cottam said accor according ding to tb the the des ert crt wile was grass abc he li n they here ilis then ihen vie rare thing thine rather than ib the e rule rul is as it Is today the changes in the desert have been due to unregulated graz grazing Inix both as to amount and time dr rostam declared lie he proved this in iris comparison ot of two valleys wan wah wah valley aley and pine valley the graz in ing history of nt both of which Is let elef finitely known in pine valley where grazing ira was comparatively light the legeta vegetation on Is much more abundant than in walt wall wah valey valer where the ra ing was heavy profound changes in desert bezeta tion are still continuing lie he said we found in our study that the more palatable plants wire we re old and on the decline while the less able diante were tin annl more numerous rabbit bruso brusa probably tile the least palatable pant in a the desert has enil captured Cured many thour ards of square r miles of tile the seart aart t rn other plants pants russian thistle a combar aulvey new plant in utah is now iniez gainin sa inin ground around ripi rapidly div our study ashwel list tile hie aver a ae e surface of he ground that is covered on the deserts Is nebout three per cent he continued since rus ilus thistle is an annual plant falls fails to come come up lip in years of adverse adi erse conditions the desert Is becoming more and more barren it if eulit c cl ci I grazing Kr arins continues it Is only on v a ques tion of nt time until deserts will become sandy and barren r even wen nw sand dunes are forming in some places because of the small amount of on the alie Ki desert esert recovery is very slow and it will take many years for the desert to recover from the dihe unregulated 11 gra grazine of the past SO years it if grazing is not regulates regu latel in the very near future tile the deserts wil soon be lost as far as a forage resource he said |