A Treatise on Limnology: Introduction to lake biology and the limnoplanktonWiley, 1957 - Freshwater biology |
Contents
THE STRUCTURE | 19 |
THE HYDROMECHANICS | 245 |
THE NATURE AND DISTRIBUTION | 306 |
Copyright | |
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Common terms and phrases
adapted adult allied Anabaena animals Anostraca appear aquatic Asterionella autumnal Baltic basin benthic blue-green algae Bosmina brackish Calanoida Caspian cells Cladocera Class concentration Conchostraca copepodite copepods Crustacea cucullata cycle cyclomorphosis Cyclopoida Cyclotella Daphnia density desmids diatoms dilute Dinobryon distribution ecological epilimnion euryhaline eutrophic evidence fauna females FIGURE Fragilaria fresh water fresh-water species genera genus habitats hatching helmet hypogean hypolimnetic hypolimnion illumination important increase instar involved Keratella known lakes larvae least less littoral longispina mainly males marine maxima maximum medium Melosira mendotae migration movement nauplii North America Notostraca number of species nutrient observed occur oligotrophic organisms Oscillatoria parthenogenetic Phylum phytoplankton plankton ponds population probably produce Protista pulex region reproduction resting eggs retrocurva rotifers Ruttner salinity salt seasonal sinking speed specimens spring stenotherm studied summer surface temperature tion variation vertical whereas winter zooplankton