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Revegetation in Dead Dicranopteris (Gleicheniaceae) Fern Patches Associated with Hawaiian Rain Forests

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Title:Revegetation in Dead Dicranopteris (Gleicheniaceae) Fern Patches Associated with Hawaiian Rain Forests
Authors:Follett, Peter A.
Anderson-Wong, Puanani
Johnson, M Tracy
Jones, Vincent P.
Date Issued:Oct 2003
Publisher:University of Hawai'i Press
Citation:Follett PA, Anderson-Wong P, Johnson MT, Jones VP. 2003. Revegetation in dead Dicranopteris (Gleicheniaceae) fern patches associated with Hawaiian rain forests. Pac Sci 57(4): 347-357.
Abstract:Dieback of Dicranopteris linearis (Burm. f.) Underwood on wet, open
valley slopes and ridgelines of Maui, O'ahu, and Kaua'i has been attributed to
feeding by the introduced leafhopper Sophonia rufofascia Kuoh & Kuoh. We
studied early plant succession at a variety of low-elevation D. lineans dieback
sites to assess the vulnerability of these disturbances to invasion by nonnative
weeds. Dead patches of D. linearis were colonized by both native and alien plant
species; the number and assemblage of colonizing plant species was site specific.
Clidemia hirta (L.) D. Don and Nephrolepis multiflora (Roxb.) Jarrett ex C. Morton
were the most common invasive species colonizing and spreading in dieback
patches. Recolonization of dead patches by live D. linearis spreading from the
margins was also common. In a simulated fern decomposition study, seedling
germination increased as the depth of the thicket decreased. Fern dieback may
enhance regeneration of the native tree Acacia koa A. Gray.
Appears in Collections: Hawaii's Ferns and Fern Allies (Lycophytes) Collection
Pacific Science Volume 57, Number 4, 2003

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