Grand Marais
Basic information
Sample name: Grand Marais
Reference: R. M. Timm. 1974. Rediscovery of the rock vole (Microtus chrotorrhinus) in Minnesota. Canadian Field-Naturalist 88:82 [ER 1672]
Geography
Country: United States
State: Minnesota
County: Cook
Coordinate: 48° 0' N, 90° 21' W
Coordinate basis: stated in text
Geography comments: "17 mi N, 1 mi W Grand Marais, NW Va sec 29, T 64 N, R 1 E, elevation 1758 feet"
Environment
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
WMT: 15.8
CMT: -11.4
MAP: 622.0
Habitat comments: "in association with a long narrow bed of boulders deposited by the Rainey Lobe of Wisconsin glaciation" with surrounding vegetation including Abies, Picea, Thuja, Pinus, Populus, Betula, Acer, Rosa, and Vaccinium
climate data are for Isle Royale National Park and are from Scott and Binkley (1997, Oecologia)
climate data are for Isle Royale National Park and are from Scott and Binkley (1997, Oecologia)
Methods
Life forms: rodents,other small mammals
Sampling methods: no design,baited,snap traps
Sample size: 22 individuals
Years: 1973
Days: 3
Seasons: summer
Nets or traps: 167
Net or trap nights: 501
Sampling comments: "Museum Special snap-traps baited with a mixture of peanut butter and rolled oats... 167 traps" were "set in this area for 3 days"
Metadata
Sample number: 1860
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-12-27 09:31:09
Modified: 2015-12-26 22:31:09
Abundance distribution
8 species
2 singletons
total count 22
geometric series index: 17.0
Fisher's α: 4.523
geometric series k: 0.7573
Hurlbert's PIE: 0.8095
Shannon's H: 1.8810
Good's u: 0.9205
Each square represents a species. Square sizes are proportional to counts.
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Register
Microtus chrotorrhinus | 2 | 33.0 g |
Sorex arcticus | 1 | 8.1 g |
Sorex cinereus | 2 | 4.1 g |
Blarina brevicauda | 4 | 15.1 g |
Neotamias minimus | 3 | |
"Eutamias minimus" | ||
Peromyscus maniculatus | 2 | 19.1 g |
Myodes gapperi | 7 | 24.1 g |
"Clethrionomys gapperi" | ||
Napaeozapus insignis | 1 | 22.7 g |