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RELATIONSHII'S OF BIRDS, LIZARDS, AND NOCTURNAL RODENTS TO THELR HABITAT IN TUCSON, ARIZONA <br />Table 1. Codes, means, and ranges for 33 habitat descriptors in Tucson. % indicates proportions of <br />ground surface covered. <br />Variable Code Mean SE Range <br />House density/ha <br />house <br />apartments/businesses <br />paved or graded <br />exotic tree canopy <br />urban treed <br />urban treed native <br />urban treed mixed <br />urban treed exotic <br />urban savannah <br />urban savannah native <br />urban savannah mixed <br />urban savannah exotic <br />urban open <br />urban open native <br />urban open mixed <br />urban open exotic <br />native veg = (LSV+USV+MEBO) <br />Lower Sonoran Vegetation <br />visibly sparse <br />normal abundance <br />over abundant <br />Upper Sonoran Vegetation <br />visibly sparse <br />normal abundance <br />over abundant <br />HDEN 3.29 0.21 19.8 <br />PCTH 8.01 0.48 43.7 <br />PCTA 1.54 0.25 28.6 <br />PCTP 18.30 0.56 62.2 <br />EXOT 0.47 0.08 13.0 <br />URBT 0.41 0.14 35.2 <br />URTN 0.13 0.08 19.1 <br />URTM 0.13 0.06 14.3 <br />URTE 0.16 0.11 35.2 <br />URBS 1.28 0.27 54.2 <br />URSN 0.37 0.14 37.6 <br />URSM 0.27 0.09 23.0 <br />URSE 0.64 0.21 54.2 <br />URBO 23.80 1.28 80.0 <br />URON 2.96 0.48 62.5 <br />UROM 4.48 0.71 79.7 <br />URGE 16.36 1.22 80.0 <br />NATV 41.73 1.89 99.5 <br />LSV <br />LSVS 1.44 0.35 53.5 <br />LSNA 10.64 1.35 95.0 <br />LSOA 0.14 0.09 28.6 <br />USV <br />USVS 2.02 0.40 63.7 <br />USNA 26.41 1.80 99.5 <br />USOA 0.08 0.06 18.7 <br />mesquite bosque MEBO 1.00 0.38 75.7 <br />open water OW 0.15 0.02 2.3 <br />disturbed riparian RIPD 0.35 0.10 17.9 <br />undisturbed riparian RIPU 3.90 0.47 65.0 <br />plot heterogeneity HET 3.06 0.05 5.0 <br />distance from mainland (m) DISM 3,298 175 10,728 <br />distance from patch (m) DISP 290 26 2,822 <br />distance from riparian (m) DISR 924 67 5,040 <br />STEPHEN S. GERMAINE 1995 ARIZONA GAME fi FISH DEPARTMENT, TECH. REP. 20 9 <br />