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 327725
Title The effects of logging on the architecture of Bornean rainforest trees
Author(s) Sterck, F.J.; Hille Ris Lamberis, R.; Bongers, F.J.J.M.
Source Journal of Tropical Forest Science 15 (2003)4. - ISSN 0128-1283 - p. 593 - 603.
Department(s) Forest Ecology and Forest Management
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) lowland dipterocarp forest - danum-valley - growth - dynamics - gaps - understorey - disturbance - neighbors - seedlings - patterns
Abstract Tree parameters were compared between trees in a logged (logged eight years ago) and an unlogged forest in Borneo. This comparison was made for 3 to 10 cm diameter at breast height (dbh) trees of four tree species, namely, Mallotus penangensis, M. wrayi, Shorea johorensis and S. parvifolia. The crown position index indicated that light levels tended to be lower in the logged forest. This probably resulted from the higher tree densities in the 10 to 30 cm dbh class. Leaf display parameters did not differ between the forests. Logged forest trees had narrower crowns than unlogged forest trees, except for M. wrayi. Mallotus wrayi and S. parvifolia had relatively thick holes in logged forest. These responses to logging may reflect recent competition for light and space (narrow crowns), and high light levels shortly after logging (thicker holes). These architectural responses to logging did not parallel architectural responses to increased light levels. After eight years the canopy of the logged forest had already closed, and light levels above juvenile trees were low. This indicated that the effects of increased light levels quickly reduced during the first years after logging.
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