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Browsing by Subject "Physical geography"

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Bergwind fires and the location pattern of forest patches in the southern cape landscape, South-Africa

Author: Geldenhuys, CJ Date: Jan 1994 A hypothesis is developed that environmental factors (rainfall and substrate) determine the potential limits of forest distribution, but that actual forest location pattern is determined by the fire pattern, which in turn is determined by the ... Read more
Determinants of terrestrial arthropod community composition at Cape Hallett, Antarctica

Author: Sinclair, BJ ; Scott, MB ; Klok, CJ ; Terblanche, JS ; Marshall, DJ ; Reyers, B ; Chown, SL Date: Sep 2006 The distribution and abundance of free-living arthropods from soil and under stones were surveyed at the Cape Hallett ice-free area (ASPA No. 106), North Victoria Land, Antarctica. A total of 327 samples from 67 plots yielded 11 species of ... Read more
Evidence for environmental conditions during the last 20 000 years in Southern Africa from C-13 in fossil hyrax dung

Author: Scott, L ; Vogel, JC Date: Nov 2000 C-13/C-12 ratios in plants depend on factors like temperature, evaporation or seasonal moisture distribution. Fluctuations of C-13/C-12 in Procavia capensis (hyrax) dung samples from different vegetation zones and various ages over the last ... Read more
Example of decision support for trypanosomiasis control using a geographical information system in eastern Zambia.

Author: Robinson, TP ; Harris, RS ; Hopkins, JS ; Williams, BG Date: Jun 2002 In many African countries where both Government resources and donor aid for the control of tsetse-transmitted trypanosomiasis are declining, there is an increasing need to identify areas where intervention is most likely to be technically, ... Read more
Rainfall and topo-edaphic influences on woody community phenology in South African savannas

Author: Shackleton, CM Date: Mar 1999 Woody community phenology was studied in the central lowveld, South Africa, over a twelve month period at three sites along a rainfall gradient, with both toplands and bottomlands sampled at each site. Each month, individual plants, in ... Read more

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Browsing by Subject "Physical geography"

Browsing by Subject "Physical geography"

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