Helga van der Merwe

Plant spectral diversity as a surrogate for species, functional and phylogenetic diversity across a hyper‐diverse biogeographic region

Henry Frye, Matthew E. Aiello‐Lammens, Douglas Euston‐Brown et al. · Global Ecology and Biogeography · 2021 · 44 citations

Engineering, Botany, Phylogenetic Diversity +20

Life form and species diversity on abandoned croplands, Roggeveld, South Africa

Helga van der Merwe, M.W. van Rooyen · African Journal of Range and Forage Science · 2011 · 38 citations

Biodiversity Loss, Engineering, Rangeland Productivity +16

Long‐term vegetation dynamics (40 yr) in the Succulent Karoo, South Africa: effects of rainfall and grazing

M.W. van Rooyen, Annelise Le Roux, Conrad Geldenhuys et al. · Applied Vegetation Science · 2014 · 28 citations

Engineering, Rangeland Productivity, Land Use +20

Drought as a driver of vegetation change in Succulent Karoo rangelands, South Africa

Hana Petersen, Gosego Nampa, Helga van der Merwe · African Journal of Range and Forage Science · 2022 · 28 citations

Engineering, Rangeland Productivity, Succulent Karoo +16

Vegetation of the Hantam-Tanqua-Roggeveld subregion, South Africa Part 2: Succulent Karoo Biome related vegetation

Helga van der Merwe, M.W. van Rooyen, N. van Rooyen · Koedoe · 2008 · 25 citations · Full text

Engineering, Botany, Forestry +16