Predicting the distribution of thickets and forests on the Cape Peninsula, Cape Province using linear regression analyses

Forest and thicket communities are distributed throughout fynbos. The species constituents exhibit life history characteristics significantly different from fynbos species, in that reproductive biology and recruitment are not coupled to fire. The limited occurrence of forests and thickets suggest that there may be specific abiotic factors which limit their distribution. In an attempt to determine which factors are significant in prediction, data from 600 plots covering a substantial part of the Cape Peninsula was analyzed using linear regression models. Although trends in predictive variables were detected for both forest and thickets, the models were largely unsuccessful. This was due both to the lack of inclusion or poor transformation of certain factors and the fact that not all potential forest and thicket sites are filled. The role of fire as the stochastic element in the system as well as the significance of measured environmental variables in determining forest and thicket location is discussed.

Grantor dc:publisher.institution

Department of Biological Sciences

Year dc:date.issued

1993

Author dc:creator

• Simmons, Mark T

Advisor dc:contributor.advisor

• Cowling, Richard M

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/11427/26184

OAI identifier oai:identifier

oai:open.uct.ac.za:11427/26184