Abstract/Details

Floristic dynamics of Appalachian pine-oak forests over a prescribed fire chronosequence


2005 2005

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Abstract (summary)

Vegetation dynamics after prescribed fire were modeled on three mountains in the George Washington National Forest representing a chronosequence of conditions since burning: pre-burn, and 1, 2 and 12 years post-treatment. Vegetation structure was more affected by environmental and spatial (burn intensity) gradients than by time since burning. Significant fire effects occurred on southwest aspects and upper slopes, especially among the sapling and shrub strata. Pine and oak regeneration abundance was not affected by fire but shade tolerant tree seedlings decreased, and shade intolerant seedlings increased in importance as a result. Percent cover and richness of herbaceous species increased, partly due to the post-fire germination and growth of various forbs and graminoids. Fire did not affect the abundance of exotic invasive species, but its effects on Ailanthus altissima were inconclusive. Low overstory mortality and prolific sprouting of ericaceous shrubs suggests that understory vegetation effects from single burns are temporary.

Indexing (details)


Subject
Forestry;
Ecology;
Environmental science;
Prescribed fire
Classification
0478: Forestry
0329: Ecology
0768: Environmental science
Identifier / keyword
Health and environmental sciences; Biological sciences
Title
Floristic dynamics of Appalachian pine-oak forests over a prescribed fire chronosequence
Author
Marsh, Michael A.
Number of pages
289
Publication year
2005
Degree date
2005
School code
0256
Source
MAI 44/02M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9780542333545, 0542333546
Advisor
Fajvan, Mary Ann
University/institution
West Virginia University
University location
United States -- West Virginia
Degree
M.S.F.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
1429111
ProQuest document ID
305382695
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/305382695
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