Ilhas do Barbados (fragment A)
Basic information
Sample name: Ilhas do Barbados (fragment A)

Sample aka: Poço das Antas Biological Reserve

Reference: A. S. Pires, P. Koeler Lira, F. A. S. Fernandez, G. M. Schittini, and L. C. Oliveira. 2002. Frequency of movements of small mammals among Atlantic Coastal Forest fragments in Brazil. Biological Conservation 108:229-237 [ER 924]
Geography
Country: Brazil

State: Rio de Janeiro

Coordinate: 23° 32' 30" S, 42° 17' 0" W
Latlng basis: stated in text as range

Geography comments: "within Poço das Antas Biological Reserve"
coordinate is the midpoint of ranges given in the text

Environment
Habitat: tropical/subtropical moist broadleaf forest

Altered habitat: fragment

Substrate: ground surface

MAT: 24.6

MAP: 2121.0

Habitat comments: a forest fragment of 7.0 ha consisting of "lowland Atlantic Coastal Forest"

Methods
Life forms: rodents, other small mammals

Sampling methods: line transect, baited, Sherman traps, Tomahawk traps

Sample size: 265 individuals

Years: 1998, 1999

Days: 35

Net or trap nights: 3014

Basal area status: not applicable

Sampling comments: sampled seven times over five consecutive trapping nights: "lines were separated by 100 m... and within each line trapping points were separated by 20 m. In each capture point a live-trap (either Tomahawk... or Sherman...)... was set on the ground and an additional Sherman trap was set in tree branches or vines at breast height... Traps were baited with a mixture of banana, oat, peanut butter and bacon placed on a manioc slice"; there were 1014 trap nights in total

Metadata
Sample no: 1397

Contributor no: John Alroy

Enterer: John Alroy

Created: 2015-02-25 15:53:39

Modified: 2021-01-24 02:59:05

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
1 singleton
total count 265
geometric series index: 11.8
Fisher's α: 1.801
geometric series k: 0.6209
Hurlbert's PIE: 0.5029
Shannon's H: 1.1279
Good's u: 0.9962
Register
Caluromys philander (bare-tailed woolly opossum)4273.0 g
Didelphis aurita (big-eared opossum)41.1 kg
Philander frenatus (southeastern four-eyed opossum)16
Marmosa paraguayana (Tate's woolly mouse opossum)40
"Micoureus demerarae"
Nectomys squamipes 8224.0 g
Oecomys concolor 465.4 g
Oligoryzomys nigripes 717.7 g
Akodon cursor 18148.4 g
Rattus rattus 1121.0 g