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

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populations in the district and may be sensitive to future extirpation. We recommend a monitoring program for mule deer, a high-profile species; loss of this once-common species from a national park would be very unfortunate. We also recommend continued research on forest squirrels and increased research on small mammals. Pocket gophers, an ecologically significant group of animals at the park about which almost nothing is known, would also be an excellent candidate for additional research. Additional small trapping may increase the number of species documented in the Rincon Mountain District. The Rincon Mountains are a rugged and remote mountain range. Packing, setting, checking, and removing live-traps is difficult and time-consuming work. We believe that complete understanding of the genus Peromyscus (white-footed mice) in the Rincons remains elusive. We confirmed cactus mouse and brush mouse, but two deer mouse specimens exist from the park (Appendix F), and white-footed mice may also occur in the district based on records from nearby mountain ranges (Hoffmeister 1986, Lange 1960). In addition, mesquite mouse is also a possibility at lower elevations. Species in this genus are 88 very difficult to distinguish in the field, and specimens (or genetic samples) are required. In addition, we failed to detect several semi-desert grassland rodents that have been recorded in nearby mountain ranges where better access facilitates more comprehensive surveys. Whether our failure to capture more semi-desert grassland species was due to insufficient effort or to interesting aspects of biogeography remains to be seen; there is evidence that many of these species simply do not occur in the Rincon Mountains. Nevertheless, we encourage the park to promote additional studies of small mammals in the district, particularly in the semi-desert grasslands at elevations between 4000 and 6000 feet. We also suggest that the park encourage visitors to the backcountry to report sightings of porcupines, which we believe may be extirpated from the district. Because porcupines are difficult to confuse with other species and because many park visitors now carry digital cameras, it would be prudent to enlist their assistance to report sightings of this species. We suggest posting requests for information at prominent trailheads or attaching such a request to each backcountry permit.
Chapter 7: Literature Cited Albrecht, E. W. 2001. Influence of microhabitat features on species richness and relative abundance in small mammal communities of Saguaro National Park, Arizona. Unpublished report to the University of Arizona Inventory and Monitoring Program, Tucson. Available in archive locations cited in Chapter 1. Allen, L. S. 1996. Ecological role of fire in the Madrean province. Pp. 5–10. In Effects of fire on Madrean province ecosystems. USDA Forest Service General Technical Report RM-GTR-289. Rocky Mountain Forest and Range Experiment Station, Ft. Collins, CO. American Ornithologists’ Union (AOU). 1998. Checklist of North American birds, seventh edition. American Ornithologists’ Union and Allen Press Inc., Lawrence, KS. American Ornithologists’ Union (AOU). 2003. Forty-second supplement to the American Ornithologists’ Union checklist of North American birds. Auk 117:847–858. Anable, M. E., M. P. McClaran, and G. B. Ruyle. 1992. Spread of introduced Lehmann’s lovegrass Eragrostis lehmanniana Nees. in southern Arizona, USA. Biological Conservation 61:181– 188. Anderson, D. R. 2001a. The need to get the basics right in wildlife field studies. Wildlife Society Bulletin 29:1294–1297. Anderson, G. 2001b. Rocking K Ranch and Expansion Area: vegetation surveys 2001. Unpublished report to Saguaro National Park, Tucson. Anderson, R., and K. Schon. 1999. Fire effects monitoring in Mexican spotted owl habitat in the Rincon Mountains of Saguaro National Park, Arizona. Pp. 7–8. In L. Benson and B. Gebow, editors. A century of parks in southern Arizona: second conference on research and resource management in southern Arizona national parks, extended abstracts. National Park Service, Southern Arizona Office and USGS Sonoran Desert Field Station, University of Arizona, Tucson. Aslan, C. 2000. Mammalian predators in the Rincon Mountain District of Saguaro National Park: a high-elevation survey using remote photography. Unpublished report to University of Arizona Conservation Biology Internship Program and Saguaro National Park, Tucson, Arizona. Babb, R. D., D. E. Brown, and J. L. Childs. 2004. On the status of the opossum (Didelphis virginiana) 89 in Arizona. Journal of the Arizona-Nevada Academy of Science 36:120–126. Bahre, C. J. 1995. A legacy of change: historic human impact on vegetation in the Arizona borderlands. University of Arizona Press, Tucson. Bailey, R. G. 1998. Ecoregions: The ecosystem geography of the oceans and continents. Springer-Verlag, New York, NY. Bailey, S. J. 1994. Saguaro National Monument sensitive raptor surveys. Unpublished notes (for 12 through 17 April 1994) to Saguaro National Park, Tucson. Baird, K. J., R. MacNish, and D. P. Guertin. 2000. An evaluation of hydrologic and riparian resources in Saguaro National Park, Tucson, Arizona. Department of Hydrology and Water Resources, Research Laboratory for Riparian Studies, University of Arizona, Tucson. Baisan, C. H., and T. W. Swetnam. 1990. Fire history on a desert mountain range: Rincon Mountain Wilderness, Arizona, USA. Canadian Journal of Forestry Research 20:1559–1569. Baker, R. J., L. C. Bradley, R. D. Bradley, J. W. Dragoo, M. D. Engstrom, R. S. Hoffmann, C. A. Jones, F. Reid, D. W. Rice, and C. Jones. 2003a. Revised checklist of North American mammals north of Mexico, 2003. Occasional Papers of the Museum of Texas Tech University 229:1–23. Baker, R. J., M. B. O’Neill, and L. R. McAliley. 2003b. A new species of desert shrew, Notiosorex, based on nuclear and mitochondrial sequence data. Occasional papers, Museum of Texas Tech University 222:1–12. Beauvais, G. P., and S. W. Buskirk. 1999. Modifying estimates of sampling effort to account for sprung traps. Wildlife Society Bulletin 27:39– 43. Berner, L. R., and R. W. Mannan. 1992. Survey for sensitive raptors in the Rincon Mountains of Saguaro National Monument, Arizona. Final report to Saguaro National Park, Tucson. Bibby, C. J., N. D. Burgess, and D. A. Hill. 2002. Bird census techniques. Academic Press, London, England. Black, K. L. 1982. An annotated checklist of the herpetofauna of Saguaro National Monument’s Rincon Mountain Unit. Unpublished report to Saguaro National Monument, Tucson, Arizona. Boal, C. W., and R. W. Mannan. 1996. Avian inventory. In L. Harris and W. Shaw, editors. Wildlife Inventory of the Rincon Valley.
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Powell, Halvorson, Schmidt Vascular
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U.S. Department of the Interior DIR
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Table of Contents Report Dedication
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Table 5.8. Number of breeding behav
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Figure 6.5. Locations of non-random
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Report Dedication Eric Wells Albrec
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Acknowledgements Thanks to Saguaro
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Executive Summary This report summa
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Chapter 1: Introduction to the Inve
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them out. This information, in conj
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communities and is especially usefu
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Chapter 2: Park Overview Brian F. P
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Figure 2.2. Aerial photograph showi
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Figure 2.4. Diagram of the major ve
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Non-native Species and Changes to V
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General Botanizing Methods We colle
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Figure 3.3. Locations of modified-W
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Focal-points: General Patterns We f
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Percent 120 100 80 60 40 20 0 Plant
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well (Swantek et al. 1999). The mos
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Chapter 4: Amphibian and Reptile In
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Figure 4.2. Locations of intensive
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features. We based extensive survey
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B). Reptilian species included two
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Table 4.6. Relative abundance (mean
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Page 57 and 58: Cumulative number of species 50 40
Page 59 and 60: elevation range of the district all
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Page 70 and 71: Analysis We report relative abundan
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Page 74 and 75: Riparian Sonoran Desertscrub Oak Pi
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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
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Page 95 and 96: (2) Receiver triggers camera to tak
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Page 101 and 102: Cumulative number of species Cumula
Page 103 and 104: point out that the pond at Manning
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Page 109 and 110: Davis, R., and C. Dunford. 1987. An
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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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