Alien plant invasion on the Agulhas Plain : a detailed description of invasion patterns

DSpace/Manakin Repository


Show simple item record

dc.contributor.advisor Richardson, David Mark en_ZA
dc.contributor.advisor Rouget, Mathieu en_ZA Blanchard, Ryan en_ZA 2017-05-19T12:44:26Z 2017-05-19T12:44:26Z 2004 en_ZA
dc.description.abstract Invasive alien species occur within several biodiverse regions of South Africa. It is not yet fully understood the extent to which invasive alien species affect natural vegetation. It is important to classify such species based on abundance and distribution in order to determine invasion patterns and set priorities for management within a region. Such a study was adapted for the Agulhas Plain of South Africa in the Cape Floristic Region. Eucalyptus lehmannii was recognised as the top invasive alien species, occupying both natural and transformed landscapes at high densities, >130% canopy cover. Acacia saligna and Acacia cyclops are the most widely distributed species, covering 41 % and 53% of the total area. Effectively determining invasive alien species richness required the use different variables to those used in this study. Invasive alien species invasion pattern was classified into two groups, namely coastal invasion and interior invasion. These characteristics differed with regards to vegetation types and species composition. Natural vegetation within the Mountain fynbos (100% invaded), Dune fynbos (91 % invaded) and Mountain top fynbos (99% invaded) vegetation types were largely threatened by invasive alien species. Vegetation types largely affected by transformation include Elim asteraceous fynbos (89% transformed) and Renoster fynbos. The invasion patterns described could be used in prioritisation of manageable land. en_ZA
dc.language.iso eng en_ZA
dc.subject.other Botany en_ZA
dc.title Alien plant invasion on the Agulhas Plain : a detailed description of invasion patterns en_ZA
dc.type Thesis en_ZA
uct.type.publication Research en_ZA
uct.type.resource Thesis en_ZA
dc.publisher.institution University of Cape Town
dc.publisher.faculty Faculty of Science en_ZA
dc.publisher.department Department of Biological Sciences en_ZA
dc.type.qualificationlevel Honours en_ZA
dc.type.qualificationname BSc (Hons) en_ZA
uct.type.filetype Text
uct.type.filetype Image

Files in This Item:

This item appears in the following Collection(s)

Show simple item record