Mandena (1999)
Basic information
Sample name: Mandena (1999)
Reference: R. M. Lehtinen, J.-B. Ramanamanjato, and J. G. Raveloarison. 2003. Edge effects and extinction proneness in a herpetofauna from Madagascar. Biodiversity and Conservation 12:1357-1370 [ER 274]
Geography
Country: Madagascar
Coordinate: 25° 57' S, 47° 2' E
Latlng basis: stated in text
Environment
Habitat: tropical/subtropical moist broadleaf forest
Altered habitat: disturbed forest
Substrate: ground surface
Disturbance: recent fire, grazing, selective logging
MAT: 26.8
MAP: 1750.0
Habitat comments: "historically littoral (coastal) rainforest" but now "littoral rainforest fragments in a matrix of extremely degraded anthropogenic sand-scrub" that results from "forest clearing, burning, and attempts at cattle grazing"
precip 1500 -2000
MAT is for Farafangana and is from Ménard et al. (2010, PNAS)
precip 1500 -2000
MAT is for Farafangana and is from Ménard et al. (2010, PNAS)
Methods
Life forms: lizards, snakes, frogs
Sampling methods: belt transect, auditory, hand capture, visual
Sample size: 334 captures or sightings
Years: 1999
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: 50 x 6 m transects with visual and auditory searches and hand capturing with all specimens released except for vouchers; the number of transects in 1999 is not clear
Metadata
Sample no: 549
Contributor no: John Alroy
Enterer: John Alroy
Created: 2014-03-24 20:22:47
Modified: 2014-07-13 07:20:00
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
22 species
1 singleton
total count 334
geometric series index: 26.8
Fisher's α: 5.286
geometric series k: 0.8563
Hurlbert's PIE: 0.9213
Shannon's H: 2.7541
Good's u: 0.997
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