Rotatoria : proceedings of the 2nd International Rotifer Symposium, held at Gent, September 17-21, 1979

Preface.- A perspective on aging in rotifers.- Experimental observations on maternal reproductive rate and offspring characteristics.- About a transmissible influence through several generations in a clone of the rotifer Notommata copeus Ehr.- Workshop on culture techniques of rotifers.- Methods for obtaining an axenic culture of Habrotrocha rosa Donner 1949.- Some problems in the embryogenesis of Habrotrocha rosa Donner 1949.- The determination of the chromosome number of Habrotrocha rosa Donner 1949.- Mass culture experiments with Brachionus rubens.- Hatching of Brachionus rubens O. F. Muller resting eggs (Rotifers).- Induction of sexual reproduction and resting egg production in Brachionus plicatilis reared in sea water.- The effect of some biotic and abiotic factors on the fertility of planktonic rotifer species.- Aspects of the feeding behavior and trophic ecology of suspension-feeding rotifers.- In situ clearance rates of planktonic rotifers.- Studies on the grazing rate of Notholca squamula Muller on Asterionella formosa Hass. at different temperatures.- Detrital feeding in natural Zooplankton communities: discrimination between live and dead algal foods.- Observations on the susceptibility of some protists and rotifers to predation by Asplanchna girodi.- Phylogenetic relationships of rotifers, as derived from photoreceptor morphology and other ultrastructural analyses.- A simplified method for the preparation of rotifers for transmission and scanning electron microscopy.- Ultrastructure and histochemistry of the rudimentary gut of male Asplanchna sieboldi (Rotifera).- An ultrastructural approach to feeding behaviour in Philodina roseola and Brachionus calyciflorus (Rotifers) I. The buccal velum.- An ultrastructural approach to feeding behaviour in Philodina roseola and Brachionus calyciflorus (Rotifers) II. The Oesophagus.- An ultrastructural approach to feeding behaviour in Philodina roseola and Brachionus calyciflorus (Rotifers) III. Cilia and muscles. Conclusions.- Workshop on the determination of population parameters.- Metabolic uniformity over the environmental temperature range in Brachionus plicatilis (Rotifera).- Density-dependent sexual reproduction in natural populations of the rotifer Asplanchna girodi.- The rotifer fauna of the river Loire (France), at the level of the nuclear power plants.- Ten years quantitative data on a population of Rhinoglena fertoeensis (Brachionidae, monogononta).- The abundance of distribution of Filinia terminalis in various types of lakes as related to temperature, oxygen, and food.- On the ecology of Notholca squamula Muller in Loch Leven, Kinross, Scotland.- Ecology of sessile rotifers.- Respiration of different stages and energy budgets of juvenile Brachionus calyciflorus.- Field experiments on the optical orientation of pelagic rotifers.- Workshop on Taxonomy and Biogeography.- Variation in the genus Keratella.- On the evolutionary pathways of speciation in the genus Notholca.- Preliminary remarks on the characteristics of the rotifer fauna of Australia (Notogaea).- Synopsis of taxonomic studies on Indian rotatoria.- An historical survey of the collection and study of rotifers in Britain.- Asymmetry and variation in Keratella tropica.- Some peculiar elements in the rotifer fauna of the Atlantic Sahara and of the Atlas mountains.- On morphological variation in Keratella cochlearis populations from Holstein lakes (Northern Germany).- Note on some Brachionidae (Rotifers) from The Netherlands.- Index auctorum.