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Fuel load and understory community c...

Reiner, Alicia L.

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Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance (Pinus monophylla, Juniperus osteosperma).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance (Pinus monophylla, Juniperus osteosperma)./
作者:	Reiner, Alicia L.
面頁冊數:	63 p.
附註:	Source: Masters Abstracts International, Volume: 42-06, page: 2096.
Contained By:	Masters Abstracts International42-06.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1420584
ISBN:	0496253336

Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance (Pinus monophylla, Juniperus osteosperma).
Reiner, Alicia L.

Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance (Pinus monophylla, Juniperus osteosperma). - 63 p.

Source: Masters Abstracts International, Volume: 42-06, page: 2096.

Thesis (M.S.)--University of Nevada, Reno, 2004.

Since settlement of the Great Basin by European Americans about 140 years ago, singleleaf pinyon (Pinus monophylla [Torr. & Frem.]), and Utah juniper (Juniperus osteosperma [Torr.] Little) have increased in area, density, and dominance. Increases in pinyon and juniper density and biomass are resulting in the decline of the associated understory plant communities as well as potentially more intense fire behavior as fuel loads contributed by the trees increase. The purpose of this study is to quantify changes in understory plant community biomass and fuel loads associated with variation in both elevation and tree dominance. Regression equations for predicting biomass were derived and tested. The equations providing the best overall results for calculating fuel loadings and biomass were determined by using graphical analysis, R2 and split-sample cross validations. The biomass of shrubs, forbs and grasses were found to be affected more by tree dominance than by elevation.

ISBN: 0496253336Subjects--Topical Terms:

1017726
Biology, Ecology.

Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance (Pinus monophylla, Juniperus osteosperma).
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502 $a Thesis (M.S.)--University of Nevada, Reno, 2004.
520 $a Since settlement of the Great Basin by European Americans about 140 years ago, singleleaf pinyon (Pinus monophylla [Torr. & Frem.]), and Utah juniper (Juniperus osteosperma [Torr.] Little) have increased in area, density, and dominance. Increases in pinyon and juniper density and biomass are resulting in the decline of the associated understory plant communities as well as potentially more intense fire behavior as fuel loads contributed by the trees increase. The purpose of this study is to quantify changes in understory plant community biomass and fuel loads associated with variation in both elevation and tree dominance. Regression equations for predicting biomass were derived and tested. The equations providing the best overall results for calculating fuel loadings and biomass were determined by using graphical analysis, R2 and split-sample cross validations. The biomass of shrubs, forbs and grasses were found to be affected more by tree dominance than by elevation.
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