Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 328261
Title External nutrient sources for Lake Tanganyika
Author(s) Langenberg, V.T.; Nyamushahu, S.; Roijackers, R.M.M.; Koelmans, A.A.
Source Journal of Great Lakes Research 29 (2003)2. - ISSN 0380-1330 - p. 169 - 180.
Department(s) Aquatic Ecology and Water Quality Management
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) precipitation chemistry - nitrogen - impact - phytoplankton - forest - water - river
Abstract This study assessed the external nutrient sources for Lake Tanganyika from August 1994 to August 1995. The physico-chemical characteristics of the three largest inflowing rivers (Rusizi, Malagarasi, and Lufubu) and the wet atmospheric deposition in Bujumbura (Burundi), Kigoma (Tanzania), and Mpulungu (Zambia) were analyzed. The magnitude of external loading of P and N were evaluated to determine their potential for supporting biological activity. Seasonal changes in the physico-chemical composition of riverine input were detected and were linked to the altitude and morphology of the river system. A flushing effect was noted. Higher discharge rates corresponded with increased concentrations of most constituents. Rusizi provided the most and Lufubu the least of total riverine nutrient input. Rusizi’s load equalled or almost doubled, depending on the nutrient, the combined loads of the other rivers. Seasonal changes in the atmospheric deposition chemistry were detected and were linked to biomass burning and atmospheric transport processes. Highest atmospheric deposition rates were encountered in more populated and industrialized Bujumbura.
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