Methods of Hydrobiology (freshwater Biology). |
Contents
SOME PHYSICAL AND CHEMICAL METHODS FOR THE INVESTIGATION | 10 |
Measurement of the Intensity and Spectral Composition of Light | 16 |
Rapid Method for the Estimation of the Total Hardness of Water | 31 |
Copyright | |
8 other sections not shown
Other editions - View all
Common terms and phrases
accurate acid alcohol algae algal amount animals apparatus Aufwuchs bacteria biological biomass bottle bottom grab calculated carbon dioxide chamber chlorophyll Cladocera collected colour contains copepods counted Crustacea culture cylinder Daphnia degree of saprobic depth determined detritus distilled water dredge dried drop-weight Elster epilimnion estimation exposure fauna filter filtration Fix and preserve flask formalin funnel gauze glass ground water growth Hydrobiol hyporheic impurity indicator organisms individual investigation Knöpp Kolkwitz lake larvae layer Limnol limnology littoral littoral zone live mercuric chloride microscope millilitre Nauwerck nutrient solution obtained organic substances oxygen periphyton photosynthesis phytoplankton plankton plankton content plants plate population Preserve in 70 primary production procedure profundal zone quantitative river rotifers running water Ruttner saprobic saprobic conditions saprobic system sediment self-purification shore sieve Sládečková species stones stream substrate surface taken temperature tube vertical vessels volume washed water sample water-bottle weight zone zooplankton