Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests

V. H. Dale, R. H. Gardner, D. L. Deangelis, C. C. Eagar, J. W. Webb

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The pattern of distribution of endemic Fraser fir Abies fraseri in the S Appalachians is being affected by infestation of the exotic balsam woolly adelgid (BWA) Adelges piceae. Prediction of the effects of BWA requires an assessment of 1) the population dynamics of the BWA and the fir, 2) the prevailing physical conditions that affect the spread of BWA, and 3) the subsequent pattern of fir mortality. This paper predicts the patterns of fir mortality and recovery on an elevation gradient by using a population model with site-specific environmental conditions and ecological interactions. Temperature range and amplitude, which affect survival and development rates of BWA, can have an indirect influence on the spatial pattern of living trees. Persistence of both species, with oscillations in numbers over time and space, is probable. -from Authors

Original languageEnglish
Pages (from-to)1639-1648
Number of pages10
JournalCanadian Journal of Forest Research
Volume21
Issue number11
StatePublished - Dec 1 1991

Fingerprint

Adelges piceae
Appalachian region
Abies
Picea
mortality
Abies fraseri
population dynamics
persistence
oscillation
environmental conditions
prediction
temperature
space and time
effect
environmental factors

ASJC Scopus subject areas

  • Forestry
  • Plant Science

Cite this

Dale, V. H., Gardner, R. H., Deangelis, D. L., Eagar, C. C., & Webb, J. W. (1991). Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests. Canadian Journal of Forest Research, 21(11), 1639-1648.

Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests. / Dale, V. H.; Gardner, R. H.; Deangelis, D. L.; Eagar, C. C.; Webb, J. W.

In: Canadian Journal of Forest Research, Vol. 21, No. 11, 01.12.1991, p. 1639-1648.

Research output: Contribution to journalArticle

Dale, VH, Gardner, RH, Deangelis, DL, Eagar, CC & Webb, JW 1991, 'Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests', Canadian Journal of Forest Research, vol. 21, no. 11, pp. 1639-1648.
Dale VH, Gardner RH, Deangelis DL, Eagar CC, Webb JW. Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests. Canadian Journal of Forest Research. 1991 Dec 1;21(11):1639-1648.
Dale, V. H. ; Gardner, R. H. ; Deangelis, D. L. ; Eagar, C. C. ; Webb, J. W. / Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests. In: Canadian Journal of Forest Research. 1991 ; Vol. 21, No. 11. pp. 1639-1648.
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