Vegetatio

, Volume 123, Issue 1, pp 39–49 | Cite as

Growth strategies of main trees and forest architecture of aFagus-Magnolia forest in Florida, USA

  • Rob Peters
  • William J. Platt
Article
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Abstract

Growth strategies of six species of trees are compared and used to analyze forest architecture. They included the overstory speciesFagus grandifolia, Magnolia grandiflora, Pinus glabra andLiquidambar styraciflua, and the understory speciesOstrya virginiana andIlex opaca. The six species were abundant in Woodyard Hammock, an old-growth forest in northern Florida, USA. Height, stem diameter, crown projection and radial growth were measured in trees between 5 and 35 m tall. Three different, but non-exclusive, growth strategies were identified for the tree species: ‘survival’ (Fagus grandifolia, Magnolia grandiflora, Ilex opaca), ‘occupy open space’ (Fagus grandifolia, Ostrya virginiana, Ilex opaca), and ‘reach above competitors’ (Liquidambar styraciflua, Pinus glabra). In two transects (0.42 ha) and one quadrat (1 ha), heights of dominant trees were used to distinguish different phases of forest development, which were mapped. In the quadrat, juvenile canopy trees in the undergrowth were mapped. The combination of presence of different developmental phases, presence of juveniles in the undergrowth, growth strategies of main tree species, and disturbance regime was used to assess forest development in the near future.Fagus grandifolia is predicted to become the main dominant species, but the frequent hurricanes open the forest canopy and provide opportunities for understory species (Ostrya virginiana andIlex opaca), and light-demanding overstory species (Liquidambar styraciflua andPinus glabra).

Key words

Disturbance Forest structure Hurricane Patch type Regeneration Tree replacement 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Rob Peters
    • 1
  • William J. Platt
    • 2
  1. 1.Department of ForestryWageningen Agricultural UniversityWageningenThe Netherlands
  2. 2.Department of Plant BiologyLouisiana State UniversityBaton RougeUSA

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