Lake Naivasha, Kenya
Papers submitted by participants at the conference Science and the Sustainable Management of Shallow Tropical Waters held at Kenya Wildlife Services Training Institute, Naivasha, Kenya, 11-16 April 1999, together with those from additional studies on
Bibliografische Daten
ISBN: 9781402012365
Sprache: Englisch
Umfang: xii, 203 S., 50 s/w Illustr.
gebundenes Buch
Erschienen am
31.05.2003
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Beschreibung
This is the first comprehensive study of an east African lake for thirty years. It represents the culmination of research expeditions which stretch back twenty years and is thus able to pick up long term changes which the individual research activities do not reveal. Lake Naivasha is a tropical lake whose natural fluctuations are now dwarfed by human impacts. Papers show how the irrigation for horticulture and power cooling has reduced the lake depth significantly; exotic arrivals have altered the plant community beyond recognition and its commercial value as a fishery and a tourist feature are reduced by over use. Despite this, the lake has considerable conservation value at present. It provides a different case study in the ever-growing library of the effects of human follies. Lake Naivasha has achieved global importance in the past ten years because its waters are used to sustain the largest horticultural industry in Africa. The book highlights its fragility under such pressure and points out the way towards sustainable use of the water and the ecosystem.
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Inhalt
Preface; D. Harper, K.M. Mavuti. Introduction. The Lake Naivasha Management Plan: consensus-building to conserve an international gem; Lord A. Enniskillen. Towards an understanding of human impact upon the hydrology of Lake Naivasha, Kenya; R. Becht, D.M. Harper. The physical attributes of the Lake Naivasha catchment rivers; M. Everard, et al. Geochemical and physical characteristics of the river and lake sediments at Naivasha, Kenya; H. Tarras-Wahlberg, et al. Aspects of the biodiversity of the rivers in the Lake Naivasha catchment; M. Everard, et al. Chemical charateristics, with particular reference to phosphorus, of the rivers draining into Lake Naivasha, Kenya; N. Kitaka, et al. Phosphorus inputs to Lake Naivasha, Kenya, from its catchment and the trophic state of the lake; N. Kitaka, et al. Magnetic susceptibilities of lake sediment and soils on the shoreline of Lake Naivasha, Kenya; R.R. Boar, D.M. Harper. Phytoplankton community structure and succession in the water column of Lake Naivasha, Kenya: a shallow tropical lake; D.S. Hubble, D.M. Harper. Nutrient control of phytoplankton production in Lake Naivasha, Kenya; D.S. Hubble, D.M. Harper. Impacts of the C4 sedge Cyperus papyrus L. on carbon and water fluxes in an African wetland; M.B. Jones, S.W. Humphries. The dynamics and ecology of exotic tropical species in floating plant mats: Lake Naivasha, Kenya; C.S. Adams, et al. Organochlorine and organophosphorus pesticide concentrations in water, sediment, and selected organisms in Lake Naivasha, (Kenya); S.M. Gitahi, et al. Feeding of the exotic Louisianan red swamp crayfish, Procambarus clarkii (Crustacea, Decapoda), in an African tropical lake: Lake Naivasha, Kenya; A.C. Smart, et al. Distribution and abundance of the Louisianan red swamp crayfish, Procambarus clarkii Girard at Lake Naivasha, Kenya between 1987 and 1999; D.M. Harper, et al. Population structure and secondary productivity of Limnodrilus hoffmeisteri (Clarapede) and Branchiura sowerbyi Beddard in the profundal zone of Lake Naivasha, Kenya; P. Raburu, et al. Population changes in sympatric Great and Long-tailed Cormorants (Phalacrocorax carbo and P. africanus): the effects of niche overlap or environmental change?; R. Brooks, et al. Population fluctuations and their causes in the African Fish Eagle (Haliaeetus vocifer (Daudin)) at Lake Naivasha, Kenya; D.M. Harper, et al. The status and future of the Lake Naivasha fishery, Kenya; P. Hickley, et al. Towards the sustainability of the Lake Naivasha Ramsar site and its catchment; M. Everard, D.M. Harper. 
