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Kenné N. de Kock, Cornelius T. Wolmarans
Pág. 6 bladsye
Burnupia mooiensis was already described in 1912 from specimens from the Mooi River, Potchefstroom while the oldest sample in the National Freshwater Snail Collection (NFSC) dates back to 1956. There are currently 14 species on record; however, to d...
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Kenn? N. de Kock, Corrie T. Wolmarans
Pág. 8 bladsye
Die verspreiding en habitat van Chambardia wahlbergi en C. petersi, soos weerspie?l deur data in die databasis van die Nasionale Varswaterslakversameling (NVWSV) word weergegee en bespreek. Alhoewel die verspreiding van hierdie twee spesies grootl...
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Kenné de Kock, Corrie Wolmarans
Pág. 183 - 195
The genus Pisidium includes some of the smallest bivalves in the family Sphaeriidae. The distribution of this group is cosmopolitan and they can utilize virtually any freshwater habitat,including peat bogs. Without doubt their centre of evolution ...
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K. N. de Kock, C. T. Wolmarans
Pág. 1 - 16
Account is given of the distribution and habitats of the three Lymnaea species currently on recordin the National Freshwater Snail Collection (NFSC) of South Africa. A total number of 616, 353and 202 loci (1/16th square degrees) was respectively r...
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K. N. de Kock, C. T. Wolmarans, H. D. Strauss, M. Killian
Pág. 49 - 53
Hierdie artikel fokus op die geografiese verspreiding en die habitats van Lymnaea natalensis, die slaktussengasheer van die lewerbot, Fasciola gigantica, soos gereflekteer deur die vindplekke van sy 4 552 monsters wat tans in die Nasionale Varswat...
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Simon S. Brand
AbstractPlanning future economic development with special reference to capital formation, monetary policy and the creation of job opportunities. Planning is discussed as centralized control of the rate and the direction of economic growth. Although such ...
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