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Browsing Natural and Agricultural Sciences by Issue Date
Now showing items 21-40 of 13478
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(University of Pretoria, 1975)This study was carried out in the eastern Transvaal Lowveld in an area 2 with a giraffe population density of 2,6 per km . Lions are the only predators and it was estimated that 48% of the calves die in their first year. ...
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(University of Pretoria, 1976)Read abstract in the document
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(University of Pretoria, 1976)This investigation has been carried out in three nature reserves in the Transvaal, the Kruger National Park and in two game reserves in Natal. Specimens for trace element analysis were collected also from Natal and ...
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(University of Pretoria, 1976)Nunataks within an area of approximately 3 400 km2 between latitudes 71°50' and 72°35' south and longitudes 1°30' and 4°00' west were mapped geologically by the 12th South African National Antarctic Expedition during ...
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(University of Pretoria, 1977)Die doel van hierdie verhandeling is om 'n algoritme vir kleinstekwadrate-benaderings te vind en om met behulp van die algoritme 'n rekenaarprogram te ontwikkel vir die minimering van die kleinstekwadrate- benadering ...
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(University of Pretoria, 1977)No abstract available.
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(University of Pretoria, 1977)A holistic evolutionary approach is used in the Gorongosa thesis in which emphasis is on the salient reciprocal relations and kinetic succession of land surfaces and biotic communities, influenced by landscape processes ...
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(University of Pretoria, 1978)Please read the abstract in the dissertation.
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(University of Pretoria, 1978)Lake Chrissie represents a shallow, brackish, inland water body which can be described as a lake on the basis of its size and permanent character. A relatively small amount of algological sutdies have been done on inland ...
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(University of Pretoria, 1978)'n Studie is op die vlakhaas in die Willern Pretorius-wildtuin vanaf Januarie 1975 tot September 1977 uitgevoer. Tydens die studie is aspekte soos reproduksie, enkele morfologiese en fisiologiese aspekte, habitatsvoorkeure, ...
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(University of Pretoria, 1978)Between 1970 and 1975 Natal Parks Board hel .icopter counts of waterbuck ( Kobus ellipsiprymnus) in the Umfolozi Game Reserve (UGR) declined from 1 098 to 494. The purpose of this project was to study the ecology of ...
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(University of Pretoria, 1979)Bestuurstrategieë bepaal die tempo van kapitaalakkumulasie onder verski1lende ekonomiese toestande. Strategiese beplanning help bestuur om by 'n vinnig veranderende omgewing aan te pas. Die volgende finansiële komponente ...
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(University of Pretoria, 1979)The study area lies in the central Okavango Delta, Botswana, and was proclaimed a game reserve extension on 2nd July 1976. Peoples of Khoisanoid origin first colonized the area. Bantu speaking baYei followed in about 1750 ...
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(University of Pretoria, 1980)In an attempt to explain why forest monkeys have a one-male group type of social structure in an environment of apparently rich food supply, the food resources, feeding behaviour and ranging behaviour of the samango ...
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(University of Pretoria, 1980)Afrikaans: Damme word gebou om water in op te gaar en die invloed van water= druk op sulke strukture vereis dat die geologiese materiale waar= mee en waarop hulle gebou word bevredigend sal funksioneer. Ten einde die ...
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Veldtipes, verspreiding van die groter soogdiere, en enkele aspekte van die ekologie van Kaokoland (University of Pretoria, 1980)Initiated in 1975, the purpose of this study was to obtain basic ecological information needed for the conservation, management and utilization of the fauna and flora of Kaokoland, S.W.A. Accordingly the vegetation of ...
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(University of Pretoria, 1980)The study investigates certain ecological and behavioral adaptations of the Gemsbok in the Hester Malan Nature Reserve. Gemsbok breeding system was found to be a seasonal with a high reproductive potential, being able ...
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(University of Pretoria, 1980)Die ontbinding van blaarmateriaal is onder gekontroleerde en natuurlike toestande, soos gevind in die Nylsvleysavanne, ondersoek. As kriteria van ontbinding is massa-afname, chemiese samestelling, kiembare propaguletellings, ...
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(University of Pretoria, 1981)The reproductive biology of spotted hyaenas was studied from a sample of 39 females and 36 males collected in game reserves in south~rn Africa. A method for age estimation, based on the relative attrition of PM2 ...
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(University of Pretoria, 1982)Read abstract on the document
Now showing items 21-40 of 13478