ISSN:
1573-5117
Keywords:
morphometry
;
hydrology
;
turbidity
;
colour
;
salinity
;
alkalinity
;
pH
;
conductivity
;
speciation
;
major
;
minor and micro elements
;
fulvic acids
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract This paper attempts to generalize the major controlling factors and their impacts on the physico-chemical environment in Tjeukemeer in relation to the speciation of algal nutrients. Morphometry, man-made hydrology, climate, chemistry of drainage area and biology of the lake appear to control its physico-chemistry the most. Thus the shallow Tieukemeer is vulnerable to wind and therefore almost always completely mixed and often turbid owing to resuspended sediments. In normal summers the lake is oligohaline, hard, eutrophic and alkaline, and in winter it is hard, eutrophic, alkaline and humus-rich. The implications of these properties on the following physico-chemical components and their relevance for the speciation of algal nutrients are discussed: turbidity, colour, halinity, pH, alkalinity, salinity, conductivity, ionic composition, ionic balance and organic matter. Because of the relationships between the physico-chemical environment on the one hand and the speciation and bio-availability of nutrients on the other hand, special attention is given to the speciation of some major and minor elements as derived from ultra filtration experiments. In this context, the metal binding capacity of the organic matter (mainly fulvic acids) is also considered.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00044485
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