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.

    We have a manual that explains all the features 

Record number 317448
Title A spatial statistical analysis of cork oak competition in two Portuguese silvopastoral systems
Author(s) Paulo, M.J.; Stein, A.; Tomé, M.
Source Canadian Journal of Forest Research 32 (2002)11. - ISSN 0045-5067 - p. 1893 - 1903.
Department(s) Biometris (WU MAT)
Publication type Refereed Article in a scientific journal
Publication year 2002
Abstract This paper considers competition among cork oaks (Quercus suber L.) at three plots in two representative Portuguese stands. It uses spatial point pattern functions to describe densities and quantify differences among stands. Relations between cork oak characteristics and indices measuring intertree competition are modelled. Tree competition has a significant effect on tree crown characteristics. In particular, cork oaks with much competition have smaller and more elongated crowns. A standard model that relates crown diameter with diameter at breast height was improved. The R2 value increased from 0.53 to 0.63 by including a crown shape parameter and competition indices.
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