Paso de Ovejas
Basic information
Sample name: Paso de Ovejas
Reference: G. Williams-Linera and F. Lorea. 2009. Tree species diversity driven by environmental and anthropogenic factors in tropical dry forest fragments of central Veracruz, Mexico. Biodiversity and Conservation 18:3269-3293 [ER 2089]
Geography
Country: Mexico
State: Veracruz
Coordinate: 19° 17' N, 96° 26' W
Latlng basis: stated in text
Geography comments: "in the adjacent Municipalities of Comapa and Paso de Ovejas... covering an area of 300 km2, and hereafter referred as PO"
elevation 97 to 420 m
elevation 97 to 420 m
Environment
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: fragment
Substrate: ground surface
MAT: 25.2
MAP: 966.0
Habitat comments: "tropical dry forest... Mean minimum and maximum temperatures are 19.8 and 30.7°C... The dry season extends from October to May... In this region land is mainly used for cattle ranching... Ten fragments were selected... fragment surface area was 1.5–60.1 ha (mean = 14.6 ha)"
Methods
Life forms: trees
Sites: 10
Site area: 1.0
Sampling methods: quadrat
Sample size: 1019 individuals
Net or trap nights: 0
Size min: 5.0
Basal area status: per ha is
Basal area: 30.2
Sampling comments: "At each study site, we set up ten 10 x 10 m plots... 100 plots" were surveyed
Metadata
Sample no: 2033
Contributor no: John Alroy
Enterer: John Alroy
Created: 2016-06-07 20:19:10
Modified: 2016-06-07 10:19:10
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
98 species
30 singletons
total count 1019
geometric series index: 176.4
Fisher's α: 26.726
geometric series k: 0.9558
Hurlbert's PIE: 0.9646
Shannon's H: 3.7726
Good's u: 0.9706
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