Aquatic Oligochaete Biology : Proceedings of the 4th International Symposium on Aquatic Oligochaete Biology

Proceedings of the 4th International Symposium on Aquatic Oligochaete Biology Front Matter....Pages I-X Comments on the classification of the Clitellata....Pages 1-5 Did the lumbriculids provide the ancestors of the branchiobdellidans, acanthobdellidans and leeches?....Pages 7-15 Phylogeny and origins of Enchytraeidae....Pages 17-33 Preliminary investigations of hybridization/reticulate evolution in Guaranidrilus (Enchytraeidae: Oligochaeta)....Pages 35-45 Preliminary report on the Enchytraeidae (Oligochaeta) of West Florida....Pages 47-56 New Species of Phallodrilus (Oligochaeta, Tubificidae) from caves of northern Spain and southwestern France....Pages 57-63 Neurobehavioral specializations for respiratory movements and rapid escape from predators in posterior segments of the tubificid Branchiura sowerbyi ....Pages 65-71 Different models of tubificid spermatozeugmata....Pages 73-82 Body wall organization in enchytraeids....Pages 83-89 Morphogenesis of body wall muscle fibers in Enchytraeus minutus ....Pages 91-97 Histochemical analysis of oligochaete body wall....Pages 99-107 T-system in muscles of microdriles....Pages 109-114 Histophysiology of digestion and observations on the structure of the alimentary canal in the ectosymbiont Chaetogaster limnaei limnaei Baer, 1827 (Annelida: Oligochaeta)....Pages 115-125 Population analysis in mass cultures of Tubifex tubifex ....Pages 127-134 Density-dependent processes in cohorts of Tubifex tubifex , with special emphasis on the control of fecundity....Pages 135-141 Cohort cultures of Tubifex tubifex forms....Pages 143-150 Biological studies upon Enchytraeus variatus Bouguenec & Giani 1987 in breeding cultures....Pages 151-165 Population dynamics of Tubificoides amplivasatus (Oligochaeta, Tubificidae) in the Oresund, Denmark....Pages 167-176 Intrinsic and extrinsic variables controlling the productivity of asexual populations of Nais spp, (Naididae, Oligochaeta)....Pages 177-184 Meiobenthic naidid and aeolosomatid oligochaetes from the profundal zone, and relations of species to eutrophication....Pages 185-190 Observations of predator-prey interaction on dispersal of an oligochaete prey, Limnodrilus hoffmeisteri ....Pages 191-193 Pollution and tidal benthic communities of the James River Estuary, Virginia....Pages 195-211 The role of oligochaetes in the management of waters....Pages 213-227 Colonization of a man-made gravel bar by Oligochaeta....Pages 229-234 Aquatic toxicity test for enchytraeids....Pages 235-242 Acute and chronic effects of an anionic surfactant on some freshwater tubificid species....Pages 243-252