The long-term influence of past land use on the Walker Branch forest
Identifieur interne : 001142 ( Istex/Checkpoint ); précédent : 001141; suivant : 001143The long-term influence of past land use on the Walker Branch forest
Auteurs : V. H. Dale [États-Unis] ; L. K. Mann [États-Unis] ; R. J. Olson [États-Unis] ; D. W. Johnson [États-Unis] ; K. C. Dearstone [États-Unis]Source :
- Landscape Ecology [ 0921-2973 ] ; 1990-09-01.
Abstract
Abstract: Forest structure and composition influence patterns of insect outbreaks and can be explained on the Walker Branch watershed by past land use (timber harvest and agriculture), soils, aspect, and slope. In particular, pine bark beetles caused large losses of pine on sites that had been used for agriculture, on Fullerton silt loam soils, and on north-to-northeast and east-to-southeast exposures. Hickory bark beetles had a high impact on hickory biomass on Bodine soil areas that were forested in 1935 and sloped greater than 11%. Thus, prior land use can have an indirect effect on future disturbances. Because forest disturbances can affect nutrient distribution, land use can also indirectly affect nutrient availability. For example, locations of hickory bark beetle outbreaks experience a large flux of calcium from dead wood to soil because hickory accumulates large amounts of calcium in woody tissue. The research demonstrates a link between past land use, insect outbreaks, and calcium cycling.
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DOI: 10.1007/BF00129829
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Dale</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Environmental Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831-6038, Oak Ridge, TN</wicri:regionArea><placeName><region type="state">Tennessee</region></placeName></affiliation></author><author><name sortKey="Mann, L K" sort="Mann, L K" uniqKey="Mann L" first="L. K." last="Mann">L. K. Mann</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Environmental Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831-6038, Oak Ridge, TN</wicri:regionArea><placeName><region type="state">Tennessee</region></placeName></affiliation></author><author><name sortKey="Olson, R J" sort="Olson, R J" uniqKey="Olson R" first="R. J." last="Olson">R. J. Olson</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Environmental Sciences Division, Oak Ridge National Laboratory, P.O. 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In particular, pine bark beetles caused large losses of pine on sites that had been used for agriculture, on Fullerton silt loam soils, and on north-to-northeast and east-to-southeast exposures. Hickory bark beetles had a high impact on hickory biomass on Bodine soil areas that were forested in 1935 and sloped greater than 11%. Thus, prior land use can have an indirect effect on future disturbances. Because forest disturbances can affect nutrient distribution, land use can also indirectly affect nutrient availability. For example, locations of hickory bark beetle outbreaks experience a large flux of calcium from dead wood to soil because hickory accumulates large amounts of calcium in woody tissue. The research demonstrates a link between past land use, insect outbreaks, and calcium cycling.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Tennessee</li></region></list><tree><country name="États-Unis"><region name="Tennessee"><name sortKey="Dale, V H" sort="Dale, V H" uniqKey="Dale V" first="V. H." last="Dale">V. H. Dale</name></region><name sortKey="Dearstone, K C" sort="Dearstone, K C" uniqKey="Dearstone K" first="K. C." last="Dearstone">K. C. Dearstone</name><name sortKey="Johnson, D W" sort="Johnson, D W" uniqKey="Johnson D" first="D. W." last="Johnson">D. W. Johnson</name><name sortKey="Mann, L K" sort="Mann, L K" uniqKey="Mann L" first="L. K." last="Mann">L. K. Mann</name><name sortKey="Olson, R J" sort="Olson, R J" uniqKey="Olson R" first="R. J." last="Olson">R. J. Olson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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