Vascular Plant and Vertebrate Inventory of Saguaro ... - USGS

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Table 4.7. Environmental factors that explained relative abundance (no./ha/hr) of species (with >15 observations), species groups, and species richness of lizards and snakes detected during intensive surveys, Saguaro National Park, Rincon Mountain District, spring 2001. Category Species or group Environmental factor Relative abundance Clark’s spiny lizard estimate SE t P Forb cover 0-0.5 m above ground (%) 0.13 0.05 2.53 0.024 Tree cover 0-0.5 m above ground (%) eastern fence lizard -0.25 0.10 2.51 0.025 Bare ground basal cover (%) 0.04 0.01 5.93
Table 4.8. Relative abundance (mean + SE; no./10 hrs) of herpetofauna detected during extensive surveys (n = 85), by elevation strata, Saguaro National Park, Rincon Mountain District, 2001 and 2002. Parenthetical numbers are sample sizes for number of survey areas. Low (n = 50) Elevation stratum Middle (n = 23) High (n = 12) All (n = 85) Species mean SE mean SE mean SE mean SE Couch’s spadefoot 1.36 1.06 0.80 0.63 Sonoran Desert toad 4.97 2.19 2.92 1.31 red-spotted toad 1.90 0.86 0.10 0.10 1.13 0.52 canyon treefrog 2.50 0.53 11.15 5.83 4.29 3.28 5.10 1.69 lowland leopard frog 1.80 1.04 0.33 0.33 1.15 0.62 Sonoran mud turtle 0.91 0.42 0.84 0.48 0.76 0.28 desert tortoise 0.53 0.20 0.35 0.26 0.41 0.14 western banded gecko 0.39 0.15 0.23 0.09 eastern collared lizard 0.10 0.07 0.26 0.26 0.13 0.08 lesser earless lizard 0.10 0.08 0.06 0.05 greater earless lizard 1.43 0.35 0.35 0.26 0.94 0.23 zebra-tailed lizard 2.29 1.14 1.35 0.68 desert spiny lizard 0.87 0.27 0.51 0.17 Clark’s spiny lizard 4.59 0.87 3.41 1.27 0.33 0.33 3.67 0.63 eastern fence lizard 4.16 1.54 6.20 2.37 2.00 0.59 common side-blotched lizard 3.94 1.22 2.32 0.75 ornate tree lizard 10.03 2.61 10.47 2.33 1.65 0.95 8.96 1.69 greater short-horned lizard 0.44 0.30 0.06 0.04 regal horned lizard 0.15 0.11 0.09 0.06 Great Plains skink 0.04 0.04 0.02 0.02 unknown whiptail 1.25 0.48 1.08 0.39 1.03 0.30 Sonoran spotted whiptail 3.40 1.40 1.38 0.61 2.37 0.85 Gila spotted whiptail 0.26 0.13 1.36 0.92 0.42 0.28 0.58 0.26 western whiptail 1.44 0.68 0.84 0.41 Madrean alligator lizard 0.03 0.03 0.52 0.37 0.08 0.05 Gila monster 0.57 0.25 0.33 0.15 coachwhip 0.21 0.12 0.12 0.07 Sonoran whipsnake 0.15 0.08 0.17 0.17 0.13 0.07 western patch-nosed snake 0.04 0.04 0.02 0.02 mountain patch-nosed snake 0.04 0.04 0.02 0.02 gopher snake 0.07 0.05 0.11 0.11 0.06 0.03 common kingsnake 0.02 0.02 0.01 0.01 Sonoran mountain kingsnake 0.08 0.08 0.33 0.33 0.07 0.05 long-nosed snake 0.08 0.05 0.05 0.03 black-necked garter snake 2.85 1.38 1.77 0.76 0.19 0.19 2.18 0.84 Sonoran coral snake 0.03 0.03 0.02 0.02 western diamond-backed rattlesnake 1.62 0.41 0.95 0.26 black-tailed rattlesnake 0.23 0.12 0.64 0.29 0.32 0.32 0.36 0.12 tiger rattlesnake 0.62 0.22 0.36 0.14 western rattlesnake 0.03 0.03 0.56 0.24 0.77 0.66 0.28 0.12 all individuals 53.73 6.05 39.80 7.69 15.89 4.22 44.62 4.37 species richness 34.00 18.00 13.00 39.00 did vary for lizards (F 2,47 = 14.6, P < 0.0001, ANOVA), with 2.3 times more species detected during day (4.8 ± 0.4) than other periods. Relative abundance of amphibians increased by 1.2 ± 0.6 individuals/10 hours with each 10% increase in cloud cover after adjusting 37 for the influence of survey time (t 79 = 1.96, P = 0.054, test of slope from regression). In contrast, relative abundance of lizards decreased by 2.2 ± 0.7 individuals/10 hours with each 10% increase in cloud cover after adjusting for survey time and elevation (t 77 = 3.21, P = 0.0019) but did not vary
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Powell, Halvorson, Schmidt Vascular
Page 4 and 5: U.S. Department of the Interior DIR
Page 7 and 8: Table of Contents Report Dedication
Page 9 and 10: Table 5.8. Number of breeding behav
Page 11 and 12: Figure 6.5. Locations of non-random
Page 13 and 14: Report Dedication Eric Wells Albrec
Page 15 and 16: Acknowledgements Thanks to Saguaro
Page 17 and 18: Executive Summary This report summa
Page 19 and 20: Chapter 1: Introduction to the Inve
Page 21 and 22: them out. This information, in conj
Page 23 and 24: communities and is especially usefu
Page 25 and 26: Chapter 2: Park Overview Brian F. P
Page 27 and 28: Figure 2.2. Aerial photograph showi
Page 29 and 30: Figure 2.4. Diagram of the major ve
Page 31: Non-native Species and Changes to V
Page 34 and 35: General Botanizing Methods We colle
Page 36 and 37: Figure 3.3. Locations of modified-W
Page 38 and 39: Focal-points: General Patterns We f
Page 40 and 41: Percent 120 100 80 60 40 20 0 Plant
Page 42 and 43: well (Swantek et al. 1999). The mos
Page 45 and 46: Chapter 4: Amphibian and Reptile In
Page 47 and 48: Figure 4.2. Locations of intensive
Page 49 and 50: features. We based extensive survey
Page 51 and 52: B). Reptilian species included two
Page 53: Table 4.6. Relative abundance (mean
Page 57 and 58: Cumulative number of species 50 40
Page 59 and 60: elevation range of the district all
Page 61: in recent years due to sedimentatio
Page 64 and 65: Spatial Sampling Designs We establi
Page 66 and 67: Figure 5.2. Location of section bre
Page 68 and 69: the relative abundance by repeat-vi
Page 70 and 71: Analysis We report relative abundan
Page 72 and 73: with some pine trees, mostly pinyon
Page 74 and 75: Riparian Sonoran Desertscrub Oak Pi
Page 76 and 77: Table 5.5. Mean relative abundance
Page 78 and 79: Table 5.6. Relative abundance (mean
Page 80 and 81: Nest Adults carrying objects Other
Page 82 and 83: Cumulative number of species Cumula
Page 84 and 85: can impact other native plant and v
Page 87 and 88: Chapter 6: Mammal Inventory Don E.
Page 89 and 90: Figure 6.3. Locations of random (fo
Page 91 and 92: calculated relative abundance by pl
Page 93 and 94: Figure 6.5. Locations of non-random
Page 95 and 96: (2) Receiver triggers camera to tak
Page 97 and 98: Excluding the results for the white
Page 99 and 100: Table 6.5. Number of photographs of
Page 101 and 102: Cumulative number of species Cumula
Page 103 and 104: point out that the pond at Manning
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There is some suggestion that popul
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Chapter 7: Literature Cited Albrech
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Davis, R., and C. Dunford. 1987. An
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Kirkpatrick, C., C. J. Conway, and
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Rice, J., B. W. Anderson, and R. D.
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orderlands. Pp. 15-16. In effects o
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100 Family Scientific name Common n
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130 Order Voucher Specimen (S), Fam
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132 UA survey type Survey or specie
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138 Survey type Documentation type
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Voucher Collection type Taxon Speci
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Appendix F. List of existing vouche
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Taxon Common name Collectiona Colle
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Appendix G. Mean frequency of detec
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Species Total transects observed Lo
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Oak Savannah Pine-oak Woodland Coni
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Appendix I. Details of small-mammal
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Random or Camera Number of Number o
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