El Refugio Huanchaca Biological Station
Basic information
Sample name: El Refugio Huanchaca Biological Station
Sample aka: Noel Kempff Mercado National Park
Reference: L. H. Emmons. 2009. Long-term variation in small mammal abundance in forest and savanna of Bolivian Cerrado. Biotropica 41(4):493-502 [ER 857]
Geography
Country: Bolivia
State: Santa Cruz
Coordinate: -14.751° S, -61.028° W
Latlng basis: stated in text
Environment
Habitat: tropical/subtropical dry broadleaf forest
Protection: national/state park
Substrate: ground surface
MAT: 25.5
MAP: 1481.0
Habitat comments: "Forest with deciduous canopy... covered with native vegetation" and "now undisturbed"
MAP stated in text; MAT is for NKMNP and is from Gosling et al. (2005)
MAP stated in text; MAT is for NKMNP and is from Gosling et al. (2005)
Methods
Life forms: rodents, other small mammals
Sampling methods: line transect, baited, Sherman traps, Tomahawk traps
Sample size: 537 individuals
Years: 1998 - 2007
Nets or traps: 130
Net or trap nights: 13118
Basal area status: not applicable
Sampling comments: "five parallel lines spaced 150 m apart, with 15 trap stations spaced at 20-m intervals on each line; for a footprint of 16.8 ha or about 18 ha with an added buffer"; there was one Sherman trap per station, one Tomahawk trap at every third station, and six Sherman traps placed in trees at random on each line "for a total of 130 traps/plot"; traps were baited with rolled oats and raisins
coutns are of individuals
coutns are of individuals
Metadata
Sample no: 1219
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-02-16 11:12:50
Modified: 2015-10-04 10:21:03
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
18 species
4 singletons
total count 537
geometric series index: 25.4
Fisher's α: 3.589
geometric series k: 0.727
Hurlbert's PIE: 0.7817
Shannon's H: 2.0089
Good's u: 0.9926
Register
| Proechimys longicaudatus | 226 | |
| Oecomys bicolor | 52 | |
| Marmosa demerarae (woolly mouse opossum) | 48 | |
| "Micoureus demerarae" | ||
| Hylaeamys acritus | 43 | 57.0 g |
| Marmosops ocellatus (spectacled slender opossum) | 42 | 31.3 g |
| Euryoryzomys nitidus | 42 | |
| Akodon dayi | 32 | |
| Oligoryzomys microtis | 10 | |
| Metachirus nudicaudatus (brown four-eyed opossum) | 8 | 372.0 g |
| Neacomys spinosus | 8 | 23.8 g |
| Didelphis marsupialis (common opossum) | 6 | 1.0 kg |
| Mesomys hispidus | 6 | 193.0 g |
| Marmosa murina (Linnaeus's mouse opossum) | 5 | 41.1 g |
| Oecomys roberti | 5 | 30.1 g |
| Monodelphis kunsi (pygmy short-tailed opossum) | 1 | 10.4 g |
| Gracilinanus agilis (agile gracile opossum) | 1 | 23.5 g |
| Necromys lenguarum | 1 | |
| Oecomys trinitatis | 1 | |