Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 309667
Title Effect of gap size on seedling establishment, growth and survival at three years in mountain ash (Eucalyptus regnans F. Muell.) forest in Victoria, Australia
Author(s) Meer, P.J. van der; Dignan, P.; Saveneh, A.G.
Source Forest Ecology and Management 117 (1999)1-3. - ISSN 0378-1127 - p. 33 - 42.
Department(s) Institute for Forestry and Nature Research
Publication type Refereed Article in a scientific journal
Publication year 1999
Abstract Establishment, growth and survival of Eucalyptus regnans F. Muell. seedlings was studied at two sites over three years under a range of small gaps (up to 30mx30m) and large gaps (50mx50m up to clearfells) in a gap cutting experiment in mountain ash forest at Tanjil Bren, Victoria, Australia. In both the group of smaller and larger gaps seedling density at Year 3 was significantly affected by year of treatment, gap size, and/or site. In both groups, densities generally increased with an increase in gap size. Seedling height at Year 3 of the dominant/co-dominant seedlings varied between 2 and 5m, and was positively related to gap size in the group of larger gaps (but not in the group of smaller gaps). In the larger gaps, seedling growth was higher on burnt than on mechanically disturbed seedbeds. Between 20 and 70% of all seedlings survived from Year 1 to Year 3, and survival percentages seemed to increase with increasing gap size. The results of this study indicate that a gap-cutting system is potentially a viable silvicultural treatment in mountain ash forest as most gap sizes would have been considered adequately stocked with E. regnans regeneration three years after logging. However, regeneration success is significantly affected by year-to-year and site variation, and the use of smaller gap sizes may result in regeneration failure in some years and/or at some sites.
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