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- W2896475187 abstract "Namaqualand Granite Renosterveld (NGR) is a fire-prone shrubland largely confined to theKamiesberg Uplands. More than 20% has been transformed by agricultural activities such asgrazing and dryland cropping. The history of fires of Namaqualand Granite Renosterveld wasassessed over a period from 2000 - 2015. Furthermore, this study aimed to assess the effectsof fire and grazing on the dynamics of Elytropappus rhinocerotis and the post-fire vegetationrecovery. Satellite imagery, field observations and combination of field sampling techniqueswere used to compile a comprehensive fire database and to collect data on vegetationparameters. The Kamiesberg Uplands has a human-induced fire regime with a fire frequencyof 4.2 years, which appears to be shorter for NGR compared to other Renosterveld - types. Themajority of the fires were in summer and early autumn which is the ecologically acceptedseason with high fire intensities. Fire Danger Index ratings for summer burns were in thedangerous and very dangerous categories. In terms of cover, the distances between E.rhinocerotis individuals were significantly more on the burnt than on the unburnt sites. Thedensity of unpalatable species on the burnt sites is also strongly associated with E. rhinocerotis.Elytropappus rhinocerotis appears to facilitate a role as a nurse-plant for various species inrenosterveld. The local biotic and abiotic conditions, allows E. rhinocerotis to maintain itsabundance, thus displaying niche construction by a single species." @default.
- W2896475187 created "2018-10-26" @default.
- W2896475187 creator A5004494399 @default.
- W2896475187 date "2017-01-01" @default.
- W2896475187 modified "2023-09-27" @default.
- W2896475187 title "An analysis of the fire regime and its effects on post-fire recoveryin Namaqualand Granite Renosterveld vegetation" @default.
- W2896475187 hasPublicationYear "2017" @default.
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