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Photosynthetic adaptation of two semi-arid species of Gethyllis (Kukumakranka) to drought-and-shade stress
(Elsevier, 2013)
Gethyllis multifolia and Gethyllis villosa are winter-growing, summer-blooming, deciduous and
bulbous geophytes that grow naturally in the semi-arid ‘Succulent Karoo Biome’ of South Africa.
G. multifolia is threatened ...
Will climate warming exceed lethal photosynthetic temperature thresholds of lichens in a southern African arid region?
(Wiley, 2013)
Predicted elevated temperatures and a shift from a winter to summer rainfall pattern associated with global warming could result in the exposure of hydrated lichens during summer to more numerous temperature extremes that ...