Griffith League Ranch
Basic information
Sample name: Griffith League Ranch

Reference: D. J. Brown, T. M. Swannack, J. R. Dixon, and M. R. J. Forstner. 2014. Herpetofaunal survey of the Griffith League Ranch in the Lost Pines ecoregion of Texas. Texas Journal of Science 63(2):101-112 [ER 2114]
Geography
Country: United States

State: Texas


County: Bastrop


Coordinate: 30° 12' 20" N, 97° 14' 3" W
Coordinate basis: stated in text

Environment
Habitat: temperate broadleaf/mixed forest

Substrate: ground surface

MAT: 21.4

MAP: 800.0

Habitat comments: "pine-dominated forest... The forest overstory is dominated by loblolly pine (Pinus taeda), post oak (Quercus stellata), blackjack oak (Quercus marilandica), and eastern red cedar (Juniperus virginiana)"
climate data are for the "Austin ubran area" and are based on Gordon et al. (1985, USGS Open-File Report)

Methods
Life forms: lizards,snakes,turtles,frogs,salamanders

Sampling methods: drift fences,pitfall traps

Sample size: 4378 individuals

Years: 2001 - 2004

Sampling comments: "daily trap data [were] collected from 12 March 2001 to 30 June 2004... three 153 m and two 121 m aluminum drift fences were placed along forest edges, with 19 L buckets placed every 30 m along each fence. One Y-shaped array was placed in a forest opening to capture grassland-associated species. Two Y- shaped arrays were placed in forested habitat... Captured individuals were either individually or cohort marked" and "released near their site of capture" but recaptures are excluded from entered counts

Metadata
Sample number: 2068

Contributor: John Alroy

Enterer: John Alroy

Created: 2016-06-14 10:07:13

Modified: 2016-06-14 00:07:13

Abundance distribution
31 species
4 singletons
total count 4378
geometric series index: 40.7
Fisher's α: 4.506
geometric series k: 0.7830
Hurlbert's PIE: 0.7965
Shannon's H: 2.0011
Good's u: 0.9991
Each square represents a species. Square sizes are proportional to counts.
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