Now showing items 1-5 of 5
Red swamp crayfish, Procambarus clarkia, found in South Africa 22 years after attempted eradication
(John Wiley & Sons, Ltd., 2017)
1. No freshwater crayfish are indigenous to continental Africa, but four species have been introduced to the continent. One of these is the North American red swamp crayfish Procambarus clarkii, which has been introduced ...
Impact assessment with different scoring tools; How well do alien amphibian assessments match?
(Pensoft Publishers, 2017)
Classification of alien species’ impacts can aid policy making through evidence based listing and management recommendations. We highlight differences and a number of potential difficulties with two scoring tools, the ...
How repeatable is the Environmental Impact Classification of Alien Taxa (EICAT)? Comparing independent global impact assessments of amphibians
(John Wiley & Sons Ltd., 2017)
The magnitude of impacts some alien species cause to native environments makes them targets for regulation and management. However, which species to target is not always clear, and comparisons of a wide variety of impacts ...
Freswater crayfish invasions in South Africa: past, present and potential future
(NISC (Pty) Ltd, 2017)
Freshwater crayfish invasions have been studied around the world, but less so in Africa, a continent devoid of native freshwater crayfish. The present study reviews historical and current information on alien freshwater ...
A global meta-analysis of the ecological impacts of alien species on native amphibians
(The Royal Society Publishing, 2019)
The exponential increase in species introductions during the Anthropocene has brought about a major loss of biodiversity. Amphibians have suffered large declines, with more than 16% considered to be threatened by invasive ...