South African native trees increasingly threatened by diseases
نویسندگان
چکیده
منابع مشابه
A survey of zoonotic diseases contracted by South African veterinarians.
A survey of 88 veterinarians employed at the Faculty of Veterinary Science, University of Pretoria, South Africa, was carried out to investigate the occurrence of zoonotic diseases among South African veterinarians. The survey found that 63.6% of veterinarians interviewed had suffered from a zoonotic disease. Veterinarians predominantly involved in farm animal practice were 3 times more likely ...
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Botryosphaeriaceae represents an important and diverse family of latent fungal pathogens of woody plants. We address the question of host range of these fungi by sampling leaves and branches of four native South African trees, including Acacia karroo (Fabaceae), Celtis africana (Cannabaceae), Searsia lancea (Anacardiaceae), and Gymnosporia buxifolia (Celastraceae). Two new species of the Botryo...
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Ecological devastation is becoming a serious problem locally to globally, inproportion as people seek affluent living circumstances. Environmental devastation originated mainly from nature exploitation and construction of cities and industrial institutions with non-biological materials. Humans have ignored the rules of nature, biodiversity and coexistence. One of the best measures we can take a...
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The major direct drivers of environmental change in mountains are relief, hydroclimate and land use. Mountain forests affected by persistent seasonal or annual fog are called montane cloud forests (Bubb et al. 2004). On the slopes of temperate mountains, the elevation of the cloud base marks the transition from mon-tane (hardwood-deciduous, lower-altitude) to cloud (conifer-evergreen, higher-al...
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BACKGROUND Crystalline silica and asbestos are common minerals that occur throughout South Africa, exposure to either causes respiratory disease. Most studies on silicosis in South Africa have been cross-sectional and long-term trends have not been reported. Although much research has been conducted on the health effects of silica dust and asbestos fibre in the gold-mining and asbestos-mining s...
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ژورنال
عنوان ژورنال: South African Journal of Botany
سال: 2010
ISSN: 0254-6299
DOI: 10.1016/j.sajb.2010.02.043