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A study of the possible interactions between fulvic acids, amino acids and carbohydrates from Tjeukemeer, based on gel filtration at pH 7.0.Curie point pyrolysis mass spectrometry of fulvic acids from Tjeukemeer, the NetherlandsAdsorptive characteristics of iron (III) onto hydrous manganese dioxide in model lake water under acidic conditionsA methodological study of the determination of organic carbon in Lake Saaimaa waterImpacts of Environmental-Changes on the Biogeochemistry of Aquatic Humic SubstancesMultiple addition bioassay of Tjeukemeer waterEffect of benzoate on microbial decomposition of fulvic acids in Tjeukemeer (Netherlands)Copper Complexation in Eutrophic and Humic Lake Tjeukemeer, the NetherlandsHorizontal and Vertical-Distribution and Speciation of Phosphorus in Sediments of Interconnected and Eutrophic Polder Lakes in Sw Friesland, the NetherlandsEffects of metal speciation on growth of phytoplankton with special reference to ironThe Structure and Function of Fen Lakes in Relation to Water-Table Management in the NetherlandsHet Friese leefgebied van de otter moet gezonder! 'De otter bliuwt in wrotter'The Effect of Acidification on Abiotic Interactions of Dissolved Humic Substances, Iron and Phosphate in Epilimnetic Water from the Humex Lake SkjervatjernMulticomponent Kinetic-Analysis of Iron Speciation in Humic Lake Tjeukemeer - Comparison of Fulvic-Acid from the Drainage-Basin and Lake Water SamplesThe biological transformation of soluble humic substances in Tjeukemeer, the Netherlands: a preliminary reportDe invloed van de metaalvormen op de groei van algen, met speciale aandacht voor ijzerOmgaan met stofstromen in oppervlaktewateren, waterkwaliteitsverbetering door ecologisch beheerSome structural and ecological studies on soluble humic compounds from TjeukemeerAbiotic Transformations of Iron and Phosphate in Humic Lake Water Revealed by Double-Isotope Labeling and Gel-FiltrationMolecule-size distribution of soluble humic compounds from different natural watersPhosphorus Transformations in the Epilimnion of Humic Lakes - Abiotic Interactions between Dissolved Humic Materials and PhosphateFosfaateutrofieringsonderzoek in het merengebied van Zuid-West FrieslandHet oecosysteem TjeukemeerPhosphorus, nitrogen and Chlorophyll-a concentrations in a typical Dutch Polder lake, Tjeukemeer, in relation to Its water regime between 1968 and 1982Seasonal variations of fulvic acids, amino acids, and sugars in Tjeukemeer, the NetherlandsUV-degradation of aquatic humic substancesSeparation of Molecular-Size Classes of Aquatic Humic Substances Using Ultrafiltration and DialysisSize classes of 'dissolved' nutrients in shallow, alkaline, humic and eutrophic Tjeukemeer, The Netherlands, as fractioned by ultrafiltrationSpeciation of Copper in Relation to Its BioavailabilityNitrogen Analyses in Eutrophic, Alkaline and Peaty Waters - a Comparison of Different Methods to Analyze Ammonia-NitrogenSome effects of paper and pulp mill effluents on southern Lake SaaimaaRadiotracer Study of Phosphorus Uptake by Plankton and Redistribution in the Water Column of a Small Humic LakeAlternative approaches in the study of humic substances in lacustrine and polluted environmentsApplicability and Reliability of Gel-Filtration to Study Aquatic Humic Substances Revisited - the Effects of Ph on Molecular-Size DistributionsAvailability of dissolved iron from Tjeukemeer, the Netherlands, for iron-limited growing Scenedesmus quadricaudaEffect of pH on molecular weight and size of fulvic acids in drainage water from peaty grassland in NW NetherlandsSize class distribution of dissolved (200nm) nutrients and essential metals in shallow, eutrophic and humic lakesApplicability of light absorbance as a measure of organic carbon in humic lake waterSolar Uv-Light Penetration and Photodegradation of Humic Substances in Peaty Lake WaterEffect of a fulvic acid fraction on growth of a Pseudomonas from Tjeukemeer (Netherlands)