REFERENCES
- Archibald , C. G.M. and Muller , M. 1982 . Atmospheric nutrient deposition at Richards Bay with special reference to Lake Mzingazi., Unpublished report, NIWR Durban Regional Laboratory, CSIR. Project No. 620/9754/8
- Carignan , R. and Kalff , J. 1980 . Phosphorus sources for aquatic weeds: water or sediments? . Science , 207 : 987 – 989 .
- Carter , V. , Bedinger , M. S. , Novitzki , R. P. and Wilen , W. O. 1978 . “ Water resources and wetlands. ” . In Wetland functions and values, the state of our understanding. Proceedings of the national symposium on wetlands. Disneyworld Village, Lake Buena Vista, Florida
- Furness , H. D. and Breen , C. M. 1978 . The influence of P-retention by soils and sediments on the water quality of the Lions River. . J. Limnol. Soc. sth. Afr. , 4 : 113 – 118 .
- Furness , H. D. and Breen , C. M. 1982 . Decomposition of Cynodon dactylon (L.) Pers. in the seasonally flooded areas of the Pongola River floodplain: pattern and significance of dry matter and nutrient loss . Hydrobiol. , 97 : 119 – 126 .
- Gaudet , J. J. 1977 . Natural draw-down on Lake Naivasha, Kenya, and the formation of Papyrus swamps. . Aquat. Bot. , 3 : 1 – 47 .
- Heeg , J. and Breen , C. M. 1982 . Man and the Pongola Floodplain., South African National Scientific Programmes Report No. 56 CSIR, , Pretoria : CSP .
- Howard-williams , C. 1975 . Vegetation changes in a shallow African lake: response of the vegetation to a dry period. . Hydrobiol. , 47 : 381 – 398 .
- Howard-williams , C. 1977 . Swamp ecosystems. . The Malayan Nature Journal , 31 : 113 – 125 .
- Howard-williams , C. 1980 . Aquatic macrophyte communities of the Wilderness lakes: community structure and associated environmental conditions. . J. Limnol. Soc. sth. Afr. , 6 : 85 – 92 .
- Howard-williams , C. 1981 . Studies on the ability of a Potamogeton pectinatus community to remove dissolved nitrogen and phosphorus from lake water. . J. Appl. Ecol. , 18 : 619 – 637 .
- Howard-williams , C. and Allanson , B. R. 1978 . Swartvlei project report part II., The limnology of Swartvlei with special reference to production and nutrient dynamics in the littoral zone. Institute for Freshwater Studies, Rhodes University, Grahamstown, Special Report No. 78/3
- Jacot guillarmod , A. F.M.G. 1962 . The bogs and sponges of the Basutoland mountains. . S.A. J. Sci. , 58 : 179 – 182 .
- Morant , D. M. 1981 . Wetland classification., Are-view of existing wetland classification systems and their applicability to Southern Africa. School of Environmental Studies, University of Cape Town. Research Report 27
- Rogers , F. E.J. 1981 . “ Studies on the epiphyton of ” . In Potamogeton orispus L. M.Sc. thesis, University of Natal, Pietermaritzburg
- Rogers , K. H. and Breen , C. M. 1982 . Decomposition of Potamogeton crispus L.: the effects of drying on the pattern of mass and nutrient loss. . Aquat. Bot. , 12 : 1 – 12 .
- Vermaak , J. F. , Swanepoel , J. H. and Schoonbee , H. J. 1982 . The phosphorus cycle in Germiston Lake. III. Seasonal patterns in the absorption, translocation and release of phosphorus by Potamogeton pectinatus . L. Water SA , 8 : 138 – 141 .
- Willett , I. R. 1982 . Phosphorus availability in soils subjected to short periods of flooding and drying. . Aust. J. Soil Res. , 20 : 131 – 138 .