d79b670f-bd4c-439a-81ad-0c00c967c2ec
Density gradient centrifugation (DGC) in Percoll for isolation and characterization of Oscillatoria spp. from TjeukemeerMultiple addition bioassay of Tjeukemeer waterSome Problems in the Estimation of Chlorophyll-alpha and Phaeopigments from Pre- and Post-acidification Spectrophotometrie MeasurementsPhosphorus, nitrogen and Chlorophyll-a concentrations in a typical Dutch Polder lake, Tjeukemeer, in relation to Its water regime between 1968 and 1982Size classes of 'dissolved' nutrients in shallow, alkaline, humic and eutrophic Tjeukemeer, The Netherlands, as fractioned by ultrafiltrationChemische analyses in de LindevalleiNitrogen Analyses in Eutrophic, Alkaline and Peaty Waters - a Comparison of Different Methods to Analyze Ammonia-NitrogenA Dynamic Simulation-Model for the Blooming of Oscillatoria- Agardhii in a Monomictic LakeDominant diatoms in Tjeukemeer - appearance of Diatoma Elongatum (Lyngb.) AgardhAvailability of dissolved iron from Tjeukemeer, the Netherlands, for iron-limited growing Scenedesmus quadricaudaAluminium oxide as adsorbent for natural water-soluble yellow materialThe algal periodicity in Tjeukemeer during 1968-1978Effect of combined action of light and silicon depletion on Asterionella formosa Hass.Verschillend verloop van het chlorophyl-a en part-N bij een veranderende algensamenstelling in een Fries Oscilatoria meerWater, spectrofotometrische bepaling van het gehalte aan chlorophyl-a [NEN 6520]Nutrient content and algal growth in Tjeukemeer (The Netherlands) in relation to the regulation of the water table of the surrounding polders (Abstract)A study of factors regulating the succession of cyanobacteria in Lake Tjeukemeer, The NetherlandsA Durable and Transportable Limnetic Enclosure System Suitable for Wind-Exposed LakesStudy of the seasonal growth of Oscillatoria redekei in Tjeukemeer, The NetherlandsDominant diatoms in Tjeukemeer (Netherlands) .II. Silicon depletionA Digitising Tablet for Determining the Length Distribution of Filamentous CyanobacteriaTrace-Metal Chemistry of a Dutch Reservoir, the TjeukemeerManipulation of Chemistry and Phytoplankton by Hydrological Intervention - a Whole Lake Experiment in the Northern NetherlandsInstallation of additional counters in (Kipp) Solarimeter Integrator CC 1