Multiple successional pathways on recently disturbed jack pine sites in Michigan

Marc David Abrams, Douglas G. Sprugel, Donald I. Dickmann

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Jack pine communities in northern lower Michigan recently disturbed by clearcutting, deliberate burning, or wildfire were studied over three growing seasons, and were compared to undisturbed jack pine stands. Newly disturbed sites generally had more vascular plant species than mature forests. Many of these species did not persist, especially on burned sites, and species richness declined sharply the second year after fire. In several cases annual and biennial species dominated first-year burns but were unimportant thereafter. Several pathways of early successional development were evident on the disturbed sites, which was facilitated by jack pine regeneration failure on all but one of the disturbed sites. Unburned clearcuts rapidly developed into Carex meadows, with few other species of any importance. This pathway was also followed on some deliberately-burned and wildfire sites. Other burned areas developed a stratified canopy of shrubs and early successional hardwoods, and were rich in species and high in cover. Stand replacement by jack pine occurred on one mature jack pine site burned by wildfire. Jack pine regeneration failure has been attributed to numerous factors involving: seed loss due to fire and predation, and low germination and seedling survival due to inadequate seedbed, drought, competition, pathogens, grazing and high surface temperatures. Index of similarity comparisons showed that different sites of the same post-disturbance age were significantly (P < 0.01) less similar in species composition than a single site sampled in 2 or 3 consecutive years. Post-disturbance age was not a particularly strong indicator of species composition on these sites, because each site had a different assemblage of species (30-40% dissimilarity among sites of the same disturbance class and post-disturbance age). Therefore, the individualistic nature of each site, rather than age following disturbance, is the dominant aspect in understanding successional relationships in these communities.

Original languageEnglish (US)
Pages (from-to)31-48
Number of pages18
JournalForest Ecology and Management
Volume10
Issue number1-2
DOIs
StatePublished - Jan 1 1985

Fingerprint

Pinus banksiana
wildfires
disturbance
wildfire
species diversity
clearcutting
regeneration
seedbeds
Carex
hardwood
vascular plants
indicator species
surface temperature
meadows
early development
vascular plant
shrubs
meadow
drought
growing season

All Science Journal Classification (ASJC) codes

  • Forestry
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law

Cite this

Abrams, Marc David ; Sprugel, Douglas G. ; Dickmann, Donald I. / Multiple successional pathways on recently disturbed jack pine sites in Michigan. In: Forest Ecology and Management. 1985 ; Vol. 10, No. 1-2. pp. 31-48.
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Multiple successional pathways on recently disturbed jack pine sites in Michigan. / Abrams, Marc David; Sprugel, Douglas G.; Dickmann, Donald I.

In: Forest Ecology and Management, Vol. 10, No. 1-2, 01.01.1985, p. 31-48.

Research output: Contribution to journalArticle

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