Browsing Natural and Agricultural Sciences by Subject "Africa"
Now showing items 1-5 of 5
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Chytridiomycosis, an emerging infectious disease of amphibians in South Africa
(North-West University, 2005)The sudden appearance of chytridiomycosis, as the cause of amphibian deaths and population declines in several continents suggests that its etiological agent, the amphibian chytrid fungus Batrachochytrium dendrobatidis, ... -
The ecology of chytrid lineages in southern Africa
(North-West University (South Africa), 2020)The inter- and intraspecific diversity of microbial communities is known to be an important, but difficult to disentangle, factor in pathogen ecology. Conspecific or interspecific microbial interactions may result in ... -
Metazoan parasites of anurans from the Vhembe area, Limpopo, South Africa
(North-West University (South Africa), 2022)Amphibians were the first vertebrate group to appear on land about 350 m.y.a and have diversified and colonized all suitable continents and islands. Amphibians are hosts to vast numbers and an astonishing diversity of ... -
Persistent organic pollutants in biotic and abiotic components of the Orange-Senqu River basin
(North-West University (South Africa), 2023)The Orange-Senqu River Basin (OSRB) stretches over four southern Africa countries that are all Parties to the Stockholm Convention on Persistent Organic Pollutants (SCPOPs). The main tributary, the Vaal River on the eastern ... -
The refuge concept in insect resistance management : its history and future application in South Africa
(North-West University, 2012)Genetically modified (GM) crops developed for insect control express cry genes from the bacterium Bacillus thuringiensis (Bt). These genes produce target specific insecticidal proteins that protect the plant against insect ...