Santa Martha (open)
Basic information
Sample name: Santa Martha (open)

Sample aka: Tuxtla Mountain

Reference: J. H. Rappole, K. Winker, and G. V. N. Powell. 1998. Migratory bird habitat use in southern Mexico: mist nets versus point counts. Journal of Field Ornithology 69(4):635-643 [ER 803]
Geography
Country: Mexico

State: Veracruz

Coordinate: 18° 21' N, 95° 53' W
Latlng basis: based on nearby landmark

Geography comments: "in the Tuxtla Mountain region... All sites were located below 500 m elevation" and the site is near the coast, so 250 m seems like a reasonable guess
coordinate based on Santa Martha

Environment
Habitat: tropical/subtropical moist broadleaf forest

Altered habitat: cropland

Protection: unprotected

Substrate: ground surface

WMT: 28.8

CMT: 22.4

MAP: 1873.0

Habitat comments: "selva alta perennifolia... Open (pasture, cropland, fallow field with canopy height <3 m)"
climate data based on station 76741 (Coatzacoalcos)

Methods
Life forms: birds

Sites: 10

Sampling methods: quadrat, mist nets

Sample size: 32 individuals

Years: 1993, 1994

Days: 20

Nets or traps: 10

Net or trap nights: 200

Basal area status: not applicable

Sampling comments: "all sampling was performed in January and February of 1993 and 1994"
10 sites with 10 nets on a grid operated for "20 hours... usually over two successive days" (i.e., 20 days and 200 net days)

Metadata
Sample no: 3586

Contributor no: John Alroy

Enterer: John Alroy

Created: 2020-01-10 13:25:56

Modified: 2020-01-10 02:25:56

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
16 species
9 singletons
total count 32
geometric series index: 58.5
Fisher's α: 12.734
geometric series k: 0.8706
Hurlbert's PIE: 0.8871
Shannon's H: 2.5069
Good's u: 0.7247
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