Rotifera VIII: A Comparative Approach: Proceedings of the VIIIth International Rotifer Symposium, held in Collegeville, Minn., U.S.A., 22–27 June 1997

Front Matter....Pages i-xv
History of rotifer research in northern Europe....Pages 1-8
An analysis of taxonomic studies on Rotifera: a case study....Pages 9-14
Zooplankton may not disperse readily in wind, rain, or waterfowl....Pages 15-21
Freshwater Rotifera of the genus Lecane from Songkhla Province, southern Thailand....Pages 23-26
Rotifera of some freshwater habitats in the floodplain of the River Nan, northern Thailand....Pages 27-33
On a new species of Keratella (Rotifera: Monogononta: Brachionidae)....Pages 35-37
Floodplain biodiversity: why are there so many species?....Pages 39-46
Rotifer diversity in a central Mexican pond....Pages 47-54
Rotifers new to Florida, U.S.A.....Pages 55-62
Dicranophoridae (Rotifera) from the Alps....Pages 63-77
Remarks on the rotifer fauna of north and northwestern Russia....Pages 79-82
 Review paper : The evolutionary relationships of rotifers and acanthocephalans....Pages 83-91
 Opinion paper : Are lemnisci and proboscis present in the Bdelloidea?....Pages 93-96
Numerical phenetic taxonomy and its heuristic aspects....Pages 97-100
Phylogenetic relationships of phylum Rotifera with emphasis on the families of Bdelloidea....Pages 101-107
Cross-mating tests re-discovered: a tool to assess species boundaries in rotifers....Pages 109-115
Preparation of rotifer trophi for light and scanning electron microscopy....Pages 117-121
Stereopictures of internal structures and trophi of rotifers....Pages 123-129
The rotifer corona by SEM....Pages 131-134
Catecholaminergic neurons in the brain of rotifers....Pages 135-140
 Review paper : Rotifer responses to increased acidity: long-term patterns during the experimental manipulation of Little Rock Lake....Pages 141-152
 Review paper : Rotifers in arctic North America with particular reference to their role in microplankton community structure and response to ecosystem perturbations in Alaskan Arctic LTER lakes....Pages 153-160
Rotifer vertical distribution in a strongly stratified lake: a multivariate analysis....Pages 161-170
Influence of environmental factors on the rotifer assemblage in an artificial lake....Pages 171-178
Rotifers in relation to littoral ecotone structure in Lake Rotomanuka, North Island, New Zealand....Pages 179-197
Zooplankton succession and thermal stratification in the polymictic shallow Müggelsee (Berlin, Germany): a case for the intermediate disturbance hypothesis?....Pages 199-206
Comparison of processes regulating zooplankton assemblages in new freshwater pools....Pages 207-214
Effects of turbidity and biotic factors on the rotifer community in an Ohio reservoir....Pages 215-223
Differences in rotifer populations of the littoral and sub-littoral pools of a large marine lagoon....Pages 225-230
 Review paper : Rotifers in interstitial sediments....Pages 231-240
Effects of contrasting land use on free-swimming rotifer communities of streams in Masurian Lake District, Poland....Pages 241-249
A study of rotifers in the River Thames, England, April–October, 1996....Pages 251-257
Planktonic rotifers of Samborombón River Basin (Argentina)....Pages 259-265
 Review paper : Chemical ecology of rotifers....Pages 267-276
Differential sensitivity of Synchaeta and Daphnia to nucleosides from Anabaena affinis ....Pages 277-281
Toxicity of the Chrysophyte flagellate Poterioochromonas malhamensis to the rotifer Brachionus angularis ....Pages 283-287
Influence of abiotic and biotic factors on morphological variation of Keratella cochlearis (Gosse) in a small Andean lake....Pages 289-294
Diel variation in the egg ratio of Hexarthra bulgarica in the high mountain lake La Caldera (Spain)....Pages 295-300
Strategic variation of egg size in Keratella cochlearis ....Pages 301-310
Relative investment in offspring by sessile Rotifera....Pages 311-316
The paradox of bdelloid egg size....Pages 317-320
Anhydrobiotic capabilities of bdelloid rotifers....Pages 321-326
Factors affecting long-term survival of dry bdelloid rotifers: a preliminary study....Pages 327-331
Some notes on Brachionus rotundiformis (Tschugunoff) in Lake Palaeostomi....Pages 333-340
Effect of temperature and food concentration in two species of littoral rotifers....Pages 341-348
Population growth in planktonic rotifers. Does temperature shift the competitive advantage for different species?....Pages 349-353
Carbon content of some freshwater rotifers....Pages 355-360
 Review paper : Seasonal variation as a determinant of population structure in rotifers reproducing by cyclical parthenogenesis....Pages 361-372
 Review paper : Ecological genetics of Brachionus sympatric sibling species....Pages 373-384
Allozyme electrophoresis: its application to rotifers....Pages 385-393
Measurements of the genome size of the monogonont rotifer Brachionus plicatilis and of the bdelloid rotifers Philodina roseola and Habrotrocha constricta ....Pages 395-402
Karyotypes of bdelloid rotifers from three families....Pages 403-407
Does the evasive behavior of Hexarthra influence its competition with cladocerans?....Pages 409-419
Colony size in Conochilus hippocrepis : defensive adaptation to predator size....Pages 421-425
Spatial segregation between rotifers and cladocerans mediated by Chaoborus ....Pages 427-436
Morphotype-specific predation in the trimorphic rotifer Asplanchna silvestrii ....Pages 437-444
Uptake of latex beads as size-model for food of planktonic rotifers....Pages 445-449
Ecology versus taxonomy: is there a middle ground?....Pages 451-457
Ecological water quality assessment of the Bütgenbach lake (Belgium) and its impact on the River Warche using rotifers as bioindicators....Pages 459-467
Size-structure dynamics of the rotifer chemostat: a simple physiologically structured model....Pages 469-476
Rotifer size distribution changes during transient phases in open cultures....Pages 477-482
Influence of the food ration and individual density on production efficiency of semicontinuous cultures of Brachionus -fed microalgae dry powder....Pages 483-487
Effect of water viscosity on the population growth of the rotifer Brachionus plicatilis Müller....Pages 489-494
Probiotic culture of the rotifer Brachionus plicatilis ....Pages 495-498