Mammal inventory of the mojave network parks
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Mammal Inventory of the Mojave Network Parks. Charles Drost and Jan Hart USGS Southwest Biological Science Center Colorado Plateau Research Station. Mojave Network Parks. Objectives For each area, determine or provide data on:. mammal species composition distribution and abundance

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Mammal Inventory of the Mojave Network Parks

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Mammal inventory of the mojave network parks

Mammal Inventory of the Mojave Network Parks

Charles Drost and Jan Hart

USGS Southwest Biological Science Center

Colorado Plateau Research Station


Mojave network parks

Mojave Network Parks


Objectives for each area determine or provide data on

ObjectivesFor each area, determine or provide data on:

  • mammal species composition

  • distribution and abundance

  • biological & natural history information

  • spatial data on sampling

  • museum voucher specimens, as appropriate


Targeted areas

Targeted Areas


Targeted habitats

Targeted Habitats


Mammal inventory of the mojave network parks

  • Death Valley National Park

    • Greenwater Range and Greenwater Valley

    • Owlshead Mountains

    • Inyo Range

    • Ibex Hills

    • Argus Range / Darwin Plateau

    • Springs (Cottonwood and Panamint Mountains)

  • Joshua Tree National Park

    • Little San Bernardino Mountains

    • Pinto Wash/Pinto Dunes

    • Coxcomb / Eagle Mountains

    • Quail Springs Watershed

    • Fan Palm Oases

    • Lost Horse and Hidden Valleys


Mammal inventory of the mojave network parks

  • Lake Mead National Recreation Area

    • Shivwits Plateau

    • Newberry Mountains

    • Black Mountains

    • Gold Butte

    • Springs

    • Sandy benches near water

  • Manzanar National Historic Site

    • Riparian Community

    • Cottonwood Grove

    • Blackbrush Scrub

  • Mojave National Preserve

    • Springs and Seeps

    • Piute Range

    • Limestone Substrates and Sand Dunes

    • High elevation areas


Methods literature and museum specimens

Methods:Literature and Museum Specimens

  • Published Accounts

  • Museum specimens

  • NPS Record cards

  • Other Local Data and Resources


Museum specimen review

Museum Specimen Review


Museum specimen review1

Museum Specimen Review


Field methods

Field Methods

  • Live Traps

    • Sherman (rodents)

    • Tomahawk (medium-sized mammals)

  • Visual Surveys

  • Automatic Cameras

  • Methods for Bats

    • Mist Netting

    • Ultrasonic Surveys


Small mammal trapping

Small Mammal Trapping


Medium size mammals

Medium-size Mammals


Mist netting

Mist Netting


Anabat

Anabat


Mammal sampling effort

Mammal Sampling Effort

  • # of Visits Person-days Trap-nights

  • DEVA 10 112 2,397

  • JOTR 10 92 1,492

  • LAME 5 71 1,313

  • MANZ 6 28 604

  • MOJA 10 93 1,538

  • Total: 41 396 7,344


Rainfall pattern

Rainfall Pattern

Death Valley

Joshua Tree


Total mammal species at each park

Total Mammal Species at Each Park

DocumentedProbable

Death Valley591

Joshua Tree504

Lake Mead598

Manzanar19 11

Mojave503


Probable species mostly edge of range

“Probable” Species Mostly Edge-of-Range


General species abundance

General Species Abundance

  • Cumulative Captures, All Parks:

  • Cactus Mouse 229

  • Merriam’s Kangaroo Rat170

  • Canyon Mouse166

  • Desert Woodrat159

  • Deer Mouse130

  • Desert Pocket Mouse 74

  • Pallid Bat 55

  • Western Pipistrelle 35


Some other results new species

Some Other Results: “New Species”


Rare special concern species

Rare / Special Concern Species


Non native species

Non-native Species


Final report and data

Final Report and Data

  • Draft Reviewed by Parks

  • Suggest Adding Annotated Species Section

    • Taxonomic Changes

    • Documentation

    • Distribution and Abundance

    • Known Population Trends

    • Other Notes


Monitoring considerations

Monitoring Considerations

  • Small Mammals as Monitoring Subjects

  • Response to Expected Change

  • Possible Focus on Edge-of-Range Species

  • Potential “Repeat Inventory” Approach

  • Monitoring Habitat vs. Monitoring Organisms within Habitat


Acknowledgments

Acknowledgments

  • Special thanks to NPS staff, including Linda Greene, Linda Manning, and Dana York (Death Valley National Park), Hank McCutchen, Harold De Lisle, Amy Fesnock, and Jane Rodgers (Joshua Tree National Park), Kent Turner, Ross Haley, and Libby Powell (Lake Mead National Recreation Area), Frank Hays (Manzanar National Historic Site), and Larry Whalon, Debra Hughson, and Kitty Jensen (Mojave National Preserve). Darla Sidles (Parashant National Monument) assisted with access to the Shivwits Plateau area of Lake Mead NRA and the adjacent Parashant NM. Jim Andre (University of California Granite Mountains Reserve) aided us in our sampling of the Granite Mountains area of Mojave NP.


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