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Post-1900 Mule Deer irruptions in the intermountain West : principal cause and influences .

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Title	Post-1900 Mule Deer irruptions in the intermountain West : principal cause and influences.
Creator	Gruell, George E.
Contributor	Intermountain Research Station (Ogden, Utah)
Description	Tests hypotheses for mule deer population increases between the early 1930's and mid-1960's. Concludes that livestock grazing and absence of fire converted vast areas of grasses and forbs to woody plants favored by mule deer. Mule deer populations, therefore, irrupted between 1930 and 1965 and have since experienced a decline as plant succession moves toward shrub senescence and trees. Habitat management alternative are discussed.
Publisher	Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986.
Subject	Mule deer. ; <br> Deer - - West (U.S.) ; <br> Mammal populations - - West (U.S.)
Relation	General technical report INT ; 206
Source	A 13.88:INT-206
Date Original	1986-05-01
Date Digital	2007;
Type	text
Format	application/pdf
Resource Identifier	mtg002199
Contributing Institution	The University of Montana
Language	en
Digitization Specifications	Scanned by Lacey Gibbons using an OpticBook 3600 scanner at 400 dpi, 8 bit gray scale. Master images stored as TIFF and derivatives presented as PDF. Abbey FineReader 8.0 used for optical character recognition.