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

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Centimeters from mean Degrees Celsius difference from mean 4 2 0 -2 -4 10 5 0 -5 -10 Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation Manning Camp Month 2001 2002 2003 2001 2002 2003 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month Figure 2.3. Comparison of monthly weather data during the time of the majority of the inventory effort (2001–2003) compared to the mean (1994–2004 for Manning Camp, 1894–2004 for University of Arizona; thick solid line in all figures), Saguaro National Park. Data for Manning Camp from PCFCD (2005) and data for University of Arizona from WRCC (2005). differences in precipitation and temperature. These mountain ranges extend from subtropical to temperate latitudes, hosting species whose core distributions are from the Sierra Madre of Mexico and the Rocky Mountains of the United States and Canada (Warshall 1994). In southern Arizona, the sky island mountain ranges have similar and predictable vegetation communities across elevational gradients, from low-elevation Sonoran desertscrub to high-elevation conifer forests. Below we review the major vegetation and biotic communities found in the Rincon Mountains. Sonoran Desertscrub Sonoran Desertscrub (Sonoran Desert Scrub; Fig. 2.4) is found in the lowest elevation and driest areas of the district on its west and southern boundaries. The dominant shrubs are velvet mesquite (Prosopis spp.), acacias (Acacia spp.), palo verdes (Cercidium spp.), and creosote bush (Larrea tridentata). Succulents 10 Centimeters from mean Degrees Celsius difference from mean Centimenters from mean 6 4 2 0 -2 -4 4 2 0 -2 -4 Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation University of Arizona Month 2001 2002 2003 2001 2002 2003 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month are ubiquitous and include: agave (Agave spp.), yucca (Yucca spp.), barrel cactus (Ferrocactus and Echinocactus spp.), pincushion cactus (Mammalaria spp.), and prickly pear and cholla (Opuntia spp.). Warm- and cool-season annuals, both native (e.g., woolly plantain, [Plantago patagonia]) and introduced (e.g., red brome, [Bromus rubens]) are common following rainfall. Southwestern Deciduous Riparian Forest These forests (Canyon Woodland; Fig 2.4) are found along low-elevation washes and creeks and are among the most biologically unique communities in the Sonoran Desert ecoregion. At the district they are found along Rincon Creek and to a lesser extent along its tributaries. The dominant tree species are Fremont cottonwood (Populus fremonti), Arizona sycamore (Platanus wrightii), velvet ash (Fraxinus velutina), willow (Salix spp.), and netleaf hackberry (Celtis reticulata). In the Rincon Mountain District Sonoran Desertscrub bounds these zones.
Figure 2.4. Diagram of the major vegetation communities of the Santa Catalina Mountains, adjacent to the Rincon Mountains (from Whittaker and Niering 1965). The Rincon Mountains have similar communities with the exception of the subalpine forest community. Reprinted with permission from the Ecological Society of America. 11
Page 1: 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: Figure 2.2. Aerial photograph showi
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 and 54: Table 4.6. Relative abundance (mean
Page 55 and 56: Table 4.8. 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
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Table 5.6. Relative abundance (mean
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Nest Adults carrying objects Other
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Cumulative number of species Cumula
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can impact other native plant and v
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Chapter 6: Mammal Inventory Don E.
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Figure 6.3. Locations of random (fo
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calculated relative abundance by pl
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Figure 6.5. Locations of non-random
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(2) Receiver triggers camera to tak
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Excluding the results for the white
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Table 6.5. Number of photographs of
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Cumulative number of species Cumula
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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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