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.
| Original language | English |
|---|---|
| Pages (from-to) | 1893-1903 |
| Journal | Canadian Journal of Forest Research |
| Volume | 32 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2002 |
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Paulo, M. J., Stein, A., & Tomé, M. (2002). A spatial statistical analysis of cork oak competition in two Portuguese silvopastoral systems. Canadian Journal of Forest Research, 32(11), 1893-1903. https://doi.org/10.1139/x02-107