Browsing by UP Author "Hugo, Sanet"

Now showing items 1-3 of 3

Alien phytogeographic regions of southern Africa : numerical classification, possible drivers, and regional threats

Hugo, Sanet; Janse Van Rensburg, Berndt; Van Wyk, Abraham Erasmus (Braam); Steenkamp, Yolande (Public Library of Science, 2012-05-04)

The distributions of naturalised alien plant species that have invaded natural or semi-natural habitat are often geographically restricted by the environmental conditions in their new range, implying that alien species ...
Are environmental transitions more prone to biological invasions?

Janse Van Rensburg, Berndt; Hugo, Sanet; Levin, Noam; Kark, Salit (Wiley-Blackwell, 2013-03)

AIM To examine whether at a subcontinental-scale ecotonal areas of transition between vegetation communities are at higher risk of plant invasion. LOCATION South Africa and Lesotho. METHODS Using plant data on native ...
The maintenance of a positive spatial correlation between South African bird species richness and human population density

Hugo, Sanet; Janse Van Rensburg, Berndt (Blackwell, 2008)

AIM: To investigate explanations for the maintenance of a positive spatial species richness–human population density correlation at broad scales, despite the negative impact of humans on species richness. These are (hypotheses ...

Search UPSpace