Toolik Lake
Basic information
Sample name: Toolik Lake
Reference: G. O. Batzli and H. Henttonen. 1990. Demography and resource use by microtine rodents near Toolik Lake, Alaska, U.S.A.. Arctic and Alpine Research 22(1):51-64 [ER 1591]
Geography
Country: United States
State: Alaska
Coordinate: 68° 38' N, 149° 30' W
Coordinate basis: stated in text
Environment
Habitat: tundra
Substrate: ground surface
MAT: -8.6
MAP: 328.0
Habitat comments: eight specific habitats are described, most being dominated by shrubs, sedges, lichen, and/or moss
climate data are for Toolik Lake and are from Brzostek et al. (2012, Global Change Biology)
climate data are for Toolik Lake and are from Brzostek et al. (2012, Global Change Biology)
Methods
Life forms: rodents,other small mammals
Sampling methods: line transect,snap traps
Sample size: 553 individuals
Years: 1983 - 1985
Seasons: summer
Sampling comments: snap trap lines were deployed in multiple locations; some counts may apply to two live trap grids, but these were mostly sampled after the study period
sampling effort is completely unclear
sampling effort is completely unclear
Metadata
Sample number: 1819
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-12-11 16:42:24
Modified: 2015-12-11 05:42:24
Abundance distribution
7 species
1 singleton
total count 553
geometric series index: 9.8
Fisher's α: 1.130
geometric series k: 0.3933
Hurlbert's PIE: 0.5551
Shannon's H: 0.9475
Good's u: 0.9982
Each square represents a species. Square sizes are proportional to counts.
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Register
| Alexandromys oeconomus | 270 | 36.5 g |
| "Microtus oeconomus" | ||
| Microtus miurus | 250 | 28.8 g |
| Myodes rutilus | 9 | 19.5 g |
| "Clethrionomys rutilus" | ||
| Lemmus trimucronatus | 1 | 48.0 g |
| "Lemmus sibiricus" | ||
| Dicrostonyx groenlandicus | 3 | 61.4 g |
| "Dicrostonyx rubricatus" | ||
| Sorex cinereus | 18 | 4.1 g |
| Sorex arcticus | 2 | 8.1 g |