Delta Waterfowl Research Station
Basic information
Sample name: Delta Waterfowl Research Station

Reference: G. C. Sanderson. 1950. Small-mammal population of a prairie grove. Journal of Mammalogy 31(1):17-25 [ER 962]
Geography
Country: Canada

State: Manitoba

Coordinate: 50° 12' N, 98° 12' W
Latlng basis: based on nearby landmark

Geography comments: apparently somewhere near "the Delta Waterfowl Research Station, Delta, Manitoba" which is actually near Delta Beach, Manitoba (coordinate based on Delta Marsh)

Environment
Habitat: temperate broadleaf/mixed forest

Altered habitat: secondary forest

Substrate: ground surface

MAT: 1.5

WMT: 19.1

CMT: -19.8

MAP: 499.0

Habitat comments: "a small wooded area surrounded by prairie" that was "cleared... of trees in 1929" and "had been uncut for eighteen years when this study was made"; the "principal trees" were choke cherry, bur oak, and red osier dogwood
climate data are based on Shay (1999, University of Manitoba Field Station (Delta Marsh) Occasional Publication)

Methods
Life forms: rodents, other small mammals

Sampling methods: quadrat, baited, snap traps

Sample size: 140 individuals

Years: 1947

Days: 31

Nets or traps: 103

Net or trap nights: 2966

Basal area status: not applicable

Sampling comments: "'museum special'" snap traps baited with "a mixture of peanut butter and bacon grease" were used... Fifty-three traps were set six to ten feet apart in a grid" and another 50 "small snap traps" were deployed "twenty days after the start of trapping" and then another "six lines of sixteen traps" were set "Eight days later"; total trap nights are stated

Metadata
Sample no: 1449

Contributor no: John Alroy

Enterer: John Alroy

Created: 2015-03-02 13:07:16

Modified: 2015-10-08 09:53:44

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
5 species
1 singleton
total count 140
geometric series index: 6.8
Fisher's α: 1.013
geometric series k: 0.5207
Hurlbert's PIE: 0.608
Shannon's H: 1.0935
Good's u: 0.9929
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