Now showing items 1-6 of 6
The microarthropods of Prince Edward Island: A quantitative assessment
The biodiversity in the sub-Antarctic region is threatened by climatic change and biological invasions, which makes the understanding of distributions of biotas on sub-Antarctic islands essential. Although the distribution ...
Science and advocacy: the GM debate in South Africa
(ACAD SCIENCE SOUTH AFRICA A S S AF, 2005-02)
SOUTH AFRICA HAS AN EFFECTIVE regulatory framework for transgenics, and its rate of adopting genetic modification technology is amongst the highest in the world. However, the ecological consequences of introducing genetically ...
Species and community responses to short-term climate manipulation: Microarthropods in the sub-Antarctic
(BLACKWELL PUBLISHING, 2006-09)
Both species and community-level investigations are important for understanding the biotic impacts of climate change, because current evidence suggests that individual species responses are idiosyncratic. However, few ...
Body size patterns in Drosophila inhabiting a mesocosm: interactive effects of spatial variation in temperature and abundance
Body size is a major component of fitness. However, the relative contributions of different factors to optimal size, and the determinants of spatial and temporal variation in size, have not been fully established empirically. ...
Ants, altitude and change in the northern Cape Floristic Region
(BLACKWELL PUBLISHING, 2006-01)
Aim Climate-modelling exercises have demonstrated that the Cape Floristic Region is highly sensitive to climate change and will apparently lose much of its northern limits over the next few decades. Because there is little ...
A global indicator for biological invasion
(BLACKWELL PUBLISHING, 2006-12)
"Trends in invasive alien species' is one of only two indicators of threat to biodiversity that form part of the Convention on Biological Diversity's (CBD) framework for monitoring progress toward its "2010 target" (ie., ...