Climate Change Impacts on Hydrological Niches of Restionaceae Species in Jonkershoek, South Africa

Guo, Danni; Midgley, Guy F.; Araya, Yoseph N.; Silvertown, Jonathan and Musil, Charles F. (2016). Climate Change Impacts on Hydrological Niches of Restionaceae Species in Jonkershoek, South Africa. Journal of Water Resource & Hydraulic Engineering, 5(1) pp. 20–28.

DOI: https://doi.org/10.5963/JWRHE0501002

Abstract

The Restionaceae species of the Fynbos biome is part of the Cape Floristic Kingdom is threatened by urbanization, agricultural expansion, groundwater extraction, and climate change. Therefore, it is necessary to assess and monitor the Restionaceae species under the impact of climate change. South Africa is a semi-arid environment, and hydrological factors are the main variables in the determination of species niches. This study investigates the microclimate at Jonkershoek, and examines the impact of climate change to the plant species distribution, thus creating shifts in the hydrological niche. This study generates its own unique microclimate hydrological datasets for modelling species niche. The Restionaceae species and their hydrological niche at the Jonkershoek study area are assessed under future climate change scenario, at a microclimatic level. It provided evidence regarding the importance of the study to understanding the climate change impacts on hydrological niche and on species richness.

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