(par 5.3.2.2.1.1) Alien invasive species and their effects on the Orange-Senqu River basin ecosystem
Alien invasive species and their effects on the Orange-Senqu River basin ecosystem http://www.orangesenqurak.com/river/ecology+biodiversity/biodiversity/invasive+species.aspx Environmental threats to the Senqu and the Orange in South Africa have been widely presented in the country’s state of the environment reports. Reports by DEAT (2009a) and (Mokuku et al. 2002) have provided information on potentialinvasive species (along with endemic species) for South Africa and Lesotho respectively. The recently completed study by ORASECOM through […]
(par 5.3.2.2.1 ) Working for Water Programme: Invading alien plants
Working for Water Programme: Invading alien plants http://www.nda.agric.za/docs/Infopaks/Alien.html A great deal of South Africa’s water is used by plants that do not belong here. They are called “invading alien” plants. These plants are invasive because they spread and displace our natural trees and plants. They have invaded large areas of good agricultural land and some […]
(par 5.3.2.2.1 ) Status of invader tree species in SA
3. STATUS OF INVASIVE TREE SPECIES IN SOUTHERN AFRICA 3.1 SOUTH AFRICA 3.1.1 Background South Africa is fairly wooded, with 7 percent of the land area under forest cover and a further 27 percent under some form of woodland. Other vegetation types include moist savannah, ‘bushveld’ savannah and arid savannah. Natural forests and woodlands, which […]