Big Bend National Park Bird Point Count
Entry ID: usgs_nwrc_bbendpt

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Summary
Abstract: This data set contains unlimited distance point count data that was collected
from 70 sites in Big Bend National Park, Texas. Sites were located by using
systematic sampling with a random start. Each site marked the center of a 2km
radius sampling circle and all sites were at least 4km apart. In addition, all
sites were at least 400m from paved or dirt roads. Sites were sampled every 9
days from ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: 31.5   S: 28.52   E: -102.16   W: -105.1

Data Set Citation
Dataset Originator/Creator: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center
Dataset Title: Interactive Effects of Climate Change and Fire on Bird Communities - Point Count Data
Dataset Release Date: 2002
Dataset Publisher: USGS, BRD, National Wetlands Research Center
Temporal Coverage
Start Date: 1999-12-01
Stop Date: 2002-02-01
Quality The accuracy of the bird point count data is based on the experience of the
observers. All data entry was double checked for potential errors. All sites
were established 4km apart and at least 400m from a paved or dirt road. The
sites were visited nine days. Point counts began at 30 minutes before offical
... View entire text
Access Constraints This data will be available for public use after it has been published in
peer-reviewed, scientific outlets.
Use Constraints Acknowledgement of the National Wetlands Research Center as a data source would
be appreciated in products developed from these data. Users should be aware of
that comparisons with other data sets for the same area from other time periods
may be inaccurate due to differences in data collection procedures.
Data Set Progress
COMPLETE
Data Center
Spatial Data and Metadata Server, National Wetlands Research Center, Biological Resources Division, USGS, U.S. Department of the Interior Supplemental Info
Data Center URL: http://sdms.cr.usgs.gov/

Data Center Personnel
Name: WYLIE C. BARROW
Phone: 337 266-8668
Fax: 337 266-8592
Email: wylie_barrow at usgs.gov
Contact Address:
U.S. Geological Survey
Biological Resources Division
National Wetlands Research Center
700 Cajundome Boulevard
City: Lafayette
Province or State: Louisiana
Postal Code: 70506
Country: USA
Personnel
Role: TECHNICAL CONTACT
Phone: 337 266-8668
Fax: 337 266-8592
Email: wylie_barrow at usgs.gov
Contact Address:
U.S. Geological Survey
Biological Resources Division
National Wetlands Research Center
700 Cajundome Boulevard
City: Lafayette
Province or State: Louisiana
Postal Code: 70506
Country: USA
Publications/References
U.S. Geological Survey, National Wetlands Research Center Interactive effects of climate change and fire on bird communities: GIS measurements, 2002 (digital tabular data).

U.S. Geological Survey, National Wetlands Research Center Interactive effects of climate change and fire on bird communities: landcover map, 2002 (Digital vector data).
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-06-26
Last DIF Revision Date: 2014-04-11
Future DIF Review Date: 2004-06-27
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