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Vegetation recovery following spring...

Dhaemers, Jessica M.

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Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover./
Author:	Dhaemers, Jessica M.
Description:	57 p.
Notes:	Adviser: Jeanne C. Chambers.
Contained By:	Masters Abstracts International45-01.
Subject:	Agriculture, Range Management. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1437669
ISBN:	9780542844119

Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover.
Dhaemers, Jessica M.

Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover. - 57 p.

Adviser: Jeanne C. Chambers.

Thesis (M.S.)--University of Nevada, Reno, 2006.

Since western U.S. settlement in about 1860 and the beginning of active fire suppression in the 1930s, singleleaf pinyon (Pinus monophylla [Torn. & Frem.]) and Utah juniper (Juniperus osteosperma [Torr.]Little) have been expanding into sagebrush communities. With increased tree fuel loads in pinyon juniper zones, high severity fires are more likely to occur. I used state and transition models to examine the recovery potential of these ecosystems. Due to the highly competitive nature of the trees, understory vegetation (shrubs, forbs, and grasses) is gradually eliminated as stand infilling progresses. Removal of tree overstory in areas of relatively low to intermediate tree cover could create suitable conditions for increases in understory plant diversity and herbaceous biomass. This study examined the recovery of understory vegetation following spring prescribed fire over an elevation gradient for high, intermediate, and low tree covers in central Nevada. Overall aerial cover and biomass for herbaceous vegetation increased over the elevation gradient for intermediate tree cover plots but decreased as tree cover increased on plots at the intermediate elevation. (Abstract shortened by UMI.)

ISBN: 9780542844119Subjects--Topical Terms:

1022885
Agriculture, Range Management.

Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover.
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100 1 $a Dhaemers, Jessica M. $3 1297200
245 1 0 $a Vegetation recovery following spring prescribed fire in pinyon-juniper woodlands of central Nevada: Effects of elevation and tree cover.
300 $a 57 p.
500 $a Adviser: Jeanne C. Chambers.
500 $a Source: Masters Abstracts International, Volume: 45-01, page: 0214.
502 $a Thesis (M.S.)--University of Nevada, Reno, 2006.
520 $a Since western U.S. settlement in about 1860 and the beginning of active fire suppression in the 1930s, singleleaf pinyon (Pinus monophylla [Torn. & Frem.]) and Utah juniper (Juniperus osteosperma [Torr.]Little) have been expanding into sagebrush communities. With increased tree fuel loads in pinyon juniper zones, high severity fires are more likely to occur. I used state and transition models to examine the recovery potential of these ecosystems. Due to the highly competitive nature of the trees, understory vegetation (shrubs, forbs, and grasses) is gradually eliminated as stand infilling progresses. Removal of tree overstory in areas of relatively low to intermediate tree cover could create suitable conditions for increases in understory plant diversity and herbaceous biomass. This study examined the recovery of understory vegetation following spring prescribed fire over an elevation gradient for high, intermediate, and low tree covers in central Nevada. Overall aerial cover and biomass for herbaceous vegetation increased over the elevation gradient for intermediate tree cover plots but decreased as tree cover increased on plots at the intermediate elevation. (Abstract shortened by UMI.)
590 $a School code: 0139.
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650 4 $a Biology, Ecology. $3 1017726
650 4 $a Environmental Sciences. $3 676987
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710 2 0 $a University of Nevada, Reno. $3 626634
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