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Figure 1. Results of Analyses of Variance for Water Potential, Soil Moisture, and Soil Texture. Mean water potentil'll .:!:. standard error of th~ lIlean for the prerlominllnt ~~ecies. Rosa ~. and the average of meAn water pntential values for all species I1ccordinR to cl'lster ,crroups based importance values. ALDER WILLOW BIRCH CONIFER COTTONWOOD ASPEN HAWTHORN BlfFFALOBERRr ALDER e:; WILLOW [-\JRCH CONH'f,R COT70NWOOD ASPEN HAWTHORN BUFFALOPE-o.'::[-: ALDER WI LLOW BIRC~! CONIfER C01'TO~:1oIOOD ASFE:N 1IA 't/'rYJCRN FlJY~'AL0"Q~~.~.'- Me.qn Water Potential of the Predominant Species -+- -+- I -+- -+-- -+- , o --+- I 8 18 20 22 (-Bars) 10 12 14 16 Mp<in Water Potential of Rosa ~ -+- --+- I -+- -+- I -4-- , . I 22 (-Bars) 8 10 1 ? 1 ~ 1(, 18 20 A':erFlp"e ".""'in Wnter Po ten ti-'l 1 for all Species -f- -+- I --+- -+- -+- -+- ." 10 22 (-Ears) L' 1 ~ 1', 18 20 Mean 80il moisture (based on the percentage of the Boil sAmple volume filled v1th"vRter) + -the standard error of the-"mean for cluster /{t'QUPS baAed on importance values at three soil 3ampli.ng depth,. AVSM (0-5 em), BVSM (1}-17 em), and CVSM (28-32 em), AVSM ALDP.R WlLLOW BIRCH CONIFE:R C01'TONWOOD ASPEN HAWTHORN RUFFALO BERRY ALDF.R WILLOW BIRCH CONIF'ER COTTON\lOOD ASPEN HAWTHORN BUFFA!,OBERRY ALDER WILLOW lURCH C0NlFER COTTONWOOD ASPEN HAwTHORN FLrp~ALOSr.RRY I, + -+- -+- I -+- 10 45 % 15 20 25 30 30 40 BVSM + -+- --f- -+- -+- 10 15 20 25 30 40 45 % 35 CVSM + -+- -+- -+- --f- 10 15 20 25 40 45 % 30 35 Mean Boll texture percentage of three soil te%tural classes~ Sand (2.0 to 0.05 lIlIll), Silt (0.05 to 0.002 DUD), and Clay (.c::O.002 mm) at thl"! B sAJIlpling depth (13-17 em) + the standard error of the mean for cluster ~roupa based on IfDportan~e values. % SAND ALDER WILWW BIRCH CONIFER COTTONWOOD ASPEN HAWTHORN BUFFALO BERRY ALDER WILLOW BIRCH CONIFER COTTONWOOD ASPEN HAWTJiORN BUFFAWBERRY ALDBR WILLOW PIRCH CONIFER COTTONWOOD ASPEN HAWTHORN B1J"f'F'ALORFRIn -+- '{ I , -+- 40 50 60 70 80 % % SILT -+- -+- -f- 10 20 40 50 % % CLAY -r -+- --I- -+- . . 10 Fi 20 25 %