Sierra National Forest (pitfall traps)
Basic information
Sample name: Sierra National Forest (pitfall traps)
Reference: D. F. Williams and S. E. Braun. 1983. Comparison of pitfall and conventional traps for sampling small mammal populations. Journal of Wildlife Management 47(3):841-845 [ER 969]
Geography
Country: United States
State: California
County: Fresno
Coordinate: 37° 25' N, 119° 10' W
Latlng basis: based on nearby landmark
Geography comments: somewhere in Fresno County: coordinate based on Sierra National Forest
elevation 1830 to 2300 m
elevation 1830 to 2300 m
Environment
Habitat: temperate broadleaf/mixed forest
Protection: national/state forest
Substrate: ground surface
MAT: 10.8
MAP: 1065.0
Habitat comments: "mixed-conifer and red fir forests" and specifically "wet and dry meadows, riparian deciduous communities, and the successional stages of conifer forests"
climate data are for the Sierra National Forest and are from Safford et al. (2012, Forest Ecology and Management)
climate data are for the Sierra National Forest and are from Safford et al. (2012, Forest Ecology and Management)
Methods
Life forms: rodents, other small mammals
Sampling methods: drift fences, pitfall traps
Sample size: 90 individuals
Years: 1979
Days: 11
Nets or traps: 100
Net or trap nights: 1100
Basal area status: not applicable
Sampling comments: pitfall traps with wooden board drift fences set out at 50 sites, each with "2 trap stations located 15 m apart"
Metadata
Sample no: 1456
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-03-02 15:38:03
Modified: 2015-12-01 09:35:07
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
6 species
1 singleton
total count 90
geometric series index: 8.9
Fisher's α: 1.447
geometric series k: 0.4985
Hurlbert's PIE: 0.4492
Shannon's H: 0.9676
Good's u: 0.9891
Register
| Sorex trowbridgii | 65 | 7.5 g |
| Neotamias speciosus | 1 | |
| "Tamias speciosus" | ||
| Thomomys bottae | 2 | 128.0 g |
| Peromyscus maniculatus | 6 | 19.1 g |
| Microtus longicaudus | 5 | 30.2 g |
| Zapus princeps | 11 | 26.2 g |