Search Results - "G.K. Theron"

Predicting competitive interactions between pioneer plant species by using plant traits by Rosch, H, Rooyen, V, Theron, G.K

“…A competitive effect hierarchy for 15 Namaqualand pioneer plant species was established by using the mean mass of the phytometer (Dimorphotheca sinuata) when…”
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The phenology of Namaqualand ephemeral species. The effect of water stress by Steyn, H.M., van Rooyen, N., van Rooyen, M.W., Theron, G.K.

“…The effect of water stress on the phenology of Namaqualand species was determined for five ephemeral species which were sown on four dates (April, May, June…”
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Seedling emergence and survival of three Namaqualand pioneer plant species grown under saline soil conditions by de Villiers, A.J., van Rooyen, M.W., Theron, G.K.

“…The effects of salinity (NaGI) on emergence and seedling survival of three Namaqualand pioneer plant species, were investigated. In the perennial species…”
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The vegetation and identification of management units of the Honnet Nature Reserve, Northern Province, South Africa by N. Visser, W. van Hoven, G.K. Theron

“…An analysis of the vegetation of the Honnet Nature Reserve, Northern Province is presented. Releves were compiled in 56 stratified random sample plots. The…”
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The phenology of Namaqualand ephemeral species: the effect of sowing date by Steyn, H.M., Van Rooyen, N., Van Rooyen, M.W., Theron, G.K.

“…In all five species examined, seeds sown in autumn (April) produced the tallest plants. Later sowing resulted in early rapid stem elongation and the initiation…”
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Seed production of four Namaqualand pioneer plant species grown on saline soil by de Villiers, A.J., van Rooyen, M.W., Theron, G.K.

“…The mining of heavy minerals along the west coast of South Africa will destroy all the standing vegetation, and will also lead to the salinization of the soil…”
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Salinity-induced changes in anatomy, stomatal counts and photosynthetic rate of Atriplex semibaccata R. Br by de Villiers, A.J., von Teichman, I., van Rooyen, M.W., Theron, G.K.

“…Anatomical changes in the roots and leaves of Atriplex semibaccata R. Br., induced by salinity stress, as well as photosynthetic and stomatal response to…”
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A comparison of some methods used to estimate the grazing capacity of a game ranch in Northern Province, South Africa by A.G. Schmidt, G.K. Theron, W. van Hoven

“…The grazing capacity of a game ranch in Northern Province was estimated in a number of different ways using rainfall and herbaceous composition and phytomass…”
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Phytosociological classes of the western Transvaal grassland, South Africa by H. Bezuidenhout, G.J. Bredenkamp, G.K. Theron

“…A detailed syntaxonomical and synecological account of five newly described phytosociological classes of the western Transvaal, South Africa is given. Using a…”
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Monitoring of the vegetation around artificial watering points (windmills) in the Kalahari Gemsbok National Park by N. Van Rooyen, D. Bezuidenhout, G.K. Theron, J. du P. Bothma

“…Vegetation changes around artificial watering points were monitored in the Kalahari Gemsbok National Park from 1978 to 1989. Both rainfall and grazing…”
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Kalahari vegetation: veld condition trends and ecological status of species by N. Van Rooyen, G.J. Bredenkamp, G.K. Theron

“…Grazing intensity gradients were determined in the duneveld, river terrace and river bed habitats of the Kalahari Gemsbok National Park. Under increased…”
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Fire and plants by Theron, G.K.

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Tolerance of six Namaqualand pioneer species to saline soil conditions by De Villiers, A.J, Van Rooyen, M.W, Theron, G.K. (Pretoria Univ. (South Africa). Dept. of Botany), Claassens, A.S

“…Saline soils pose a great problem to reclamation of mined areas in arid regions. Experiments were carried out in order to determine the tolerance of six…”
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Mysterious circles in the Namib Desert: review of hypotheses on their origin by van Rooyen, M.W, Theron, G.K, van Rooyen, N, Jankowitz, W.J, Matthews, W.S

“…Circular, slightly concave depressions, devoid of vegetation and often surrounded by a fringe of tall grasses occur in a broken belt in the pro-Namib zone of…”
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The impact of the provision of water for game on the basal cover of the herbaceous vegetation around a dam in the Kruger National Park by I. Thrash, P.J. Nel, G.K. Theron, J. du P. Bothma

“…A line intercept survey was done on the herbaceous vegetation in permanently marked plots at distance intervals from the Wik-en-Weeg Dam, Kruger National Park,…”
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Landscape preference of the white rhinoceros in the central and northern Kruger National Park by D.J. Pienaar, J. du P. Bothma, G.K. Theron

“…The long-term landscape preferences of the white rhinoceros for 32 different landscapes in the central and northern Kruger National Park are investigated. A…”
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The impact of the provision of water for game on the woody vegetation around a dam in the Kruger National Park by I. Thrash, P.J. Nel, G.K. Theron, J. du P. Bothma

“…Quantitative inventory surveys were done on the woody vegetation in permanently marked plots at distance intervals from the Wik-en-Weeg Dam, Kruger National…”
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Herbivore dung deposit counts around drinking troughs in the Kruger National Park by I. Thrash, G.K. Theron, J. du P. Bothma

“…The density of deposits of dung of indigenous large herbivores was measured in transects starting at drinking troughs in the Kruger National Park. The aim was…”
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Landscape preference of the white rhinoceros in the southern Kruger National Park by D.J. Pienaar, J. du P. Bothma, G.K. Theron

“…The long and short-term landscape preference of white rhinoceros in the southern Kruger NationarPark are investigated. A preference index and a chi-square test…”
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Long-term vegetation dynamics in the semi-arid Kalahari by N. van Rooyen, G.K. Theron, G.J. Bredenkamp

“…Brief Communication…”
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