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- - _ ____. <br /> i <br />i <br />d <br />' <br />7 <br /> with alfalfa hay (~ted_ <br />cago act <br />ves) <br />uring t <br />1e 19 <br />9 gracing season and har- <br /> vested during the late s.nnner. Although harvest records wvxe not available for <br /> c:-us site, similar dry land alfalfa fields in tris area of Colorado produce <br /> cetween 2000 anti 3000 lbs dry weight alfalfa per acre per year (personal <br /> conmuiication, 1979, ,'~Sr. Thomas Darty, Agrieulti:sal Extension Agent, ?^vntrose, <br /> Colorado). <br /> Juniper vegetation type. The juniper connn,^; ty, characterized by i;tah <br /> juniper trees (Juniperus ost~sperma), ca:t~rises 1.80 acres on the study area. <br /> Tiv-s type is actually an agricultural sub-type as the herbaceous uncerstorl <br /> is alfalfa hay meadow. Juniper trees witt+;~ t'Zis agricultural area were <br /> w•e21 scattered and thus, do not appear to have any affect on tF.e production <br /> and species oom~oosition of tie understor}• vegetation which is ,:,.~ alfalfa <br /> field. Tree 6ensity is 95.7 trees/acre (a tntal o£ 59 trees occur within <br /> the type) and basal area averages 737.10 cnZ. All trees are L'tah juniper. <br /> This juniper area represents scattered individual trees in an alfalfa Meld. <br />- (Nariah Associates 1979). <br /> <br /> Riparian vegetation type. The riparian type oo~rises 1.93 acres or 1.78 <br /> o£ the rural study area. The type occurs along an irrigation diteii and <br /> consists of a shall canmuruity of comron cattail (21'pha latifolia), hr,Itic- <br /> rush {Juncos balti.c-ci.), and longstem spikerush (Eleocharis macrostachya) and <br /> a s~call tree corrnuuty. The tree commutity consists of 11 Chinese elm <br /> (Ulmus oarviflora), 13 narrowleaf cottonwood (~uius anguustifolia,) and 3 <br /> plains cottonwood (PO~.tlus sargentii). Total density is 14.5 trees/acre <br /> while average basal area is 303.29 cm2. Quantitative cover or production <br /> estitrates were not crede for this types (Mariah Associates 1979) . <br />WIZDLIFE _. <br />Data gathered during 1979-1980 wildlife studies at Nucla Mine and site <br />specific information found in the literature are discussed by major wildlife <br />conponents below. .~ list of vertebrate species positi.~•~_;• inderti£ied for <br />-18- <br />JUM 1 1 1980 <br /> <br />(Revised July 2006) Attachment 2.04.11-1-25 <br />