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Accuracy and Precision of Estimating Age of Gray Wolves by Tooth Wear
Entry ID: usgs_npwrc_graywolves

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Summary
Abstract: We evaluated the accuracy and precision of tooth wear for aging gray wolves
(Canis lupus) from Alaska, Minnesota, and Ontario based on 47 known-age or
known-minimum-age skulls. Estimates of age using tooth wear and a commercial
cementum annuli-aging service were useful for wolves up to 14 years old. The
precision of estimates from cementum annuli was greater than estimates from
tooth wear, but ... View entire text
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Description: Accuracy and Precision of Estimating Age of Gray Wolves by Tooth Wear data.
Geographic Coverage
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Spatial coordinates   
  N: 55.0   S: 43.5   E: -75.0   W: -168.0

Data Set Citation
Dataset Originator/Creator: Philip S. Gipson, Warren B. Ballard, Ronald M. Nowak, L. David Mech
Dataset Title: Accuracy and Precision of Estimating Age of Gray Wolves by Tooth Wear
Dataset Release Date: 2000
Dataset Release Place: Jamestown, North Dakota
Dataset Publisher: USGS, Northern Prairie Wildlife Research Center
Version: Version 30APR2001
Online Resource: http://www.npwrc.usgs.gov/resource/mammals/toothage/index.htm
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Data Set Progress
COMPLETE
Data Center
Northern Prairie Wildlife Research Center, Biological Resources Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://www.npwrc.usgs.gov/

Data Center Personnel
Name: TOM SKLEBAR
Phone: 701-253-5500
Phone: 701-253-5554
Fax: 701-253-5553
Email: tom_sklebar at usgs.gov
Contact Address:
8711 37th Street, S.E.
City: Jamestown
Province or State: North Dakota
Postal Code: 58401
Country: USA
Distribution
Distribution Media: Download
Distribution Size: 70 kbytes
Distribution Format: zip
Fees: none
Personnel
PHILLIP S. GIPSON
Role: TECHNICAL CONTACT
Phone: (785) 532-6070
Email: gipson at ksu.edu
Contact Address:
Kansas State University
Division of Biology
City: Manhattan
Province or State: KS
Postal Code: 66506-4901
Country: USA
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Publications/References
Gipson, Philip S., Warren B. Ballard, Ronald M. Nowak, and L. David Mech.
2000. Accuracy and precision of estimating age of gray wolves by tooth wear. Journal of Wildlife Management 64(3):752-758.
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Creation and Review Dates
DIF Creation Date: 2002-01-28
Last DIF Revision Date: 2012-12-21
Future DIF Review Date: 2003-01-28

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