Aquatic Oligochaete Biology V: Proceedings of the 5th Oligochaete Symposium, held in Tallinn, Estonia, 1991

Front Matter....Pages i-viii
Some characteristics of genetic variants of Tubifex tubifex (Müller, 1774) (Oligochaeta: Tubificidae) in laboratory cultures....Pages 1-6
Morphology of some species of the genus Aulodrilus Bretscher....Pages 7-15
A description of spermatozoan ultrastructure and some anatomical characters in Branchiobdella kozarovi Subchev, 1978 (Annelida: Clitellata), and review of the spermatozoan morphology within the genus....Pages 17-26
Oligochaete fauna of Lake Baikal....Pages 27-34
A preliminary review of the taxonomic characters used for the systematics of the genus Trichodrilus Claparède (Oligochaeta, Lumbriculidae)....Pages 35-51
The Enchytraeid fauna of North Africa....Pages 53-66
Propappidae and aquatic Enchytraeidae (Oligochaeta) from the farthest southeast of Russia....Pages 67-78
Oligochaetes (Naididae, Tubificidae, Enchytraeidae and Alluroididae) of Guyana, Peru and Ecuador....Pages 79-84
Oligochaetes of the River Rhine. Preliminary records....Pages 85-86
Composition and distribution of bottom oligochaete fauna of a north Italian eutrophic lake (Lake Ledro)....Pages 87-92
Habitat preferences and species associations of shallow-water marine Tubificidae (Oligochaeta) from the barrier reef ecosystems off Belize, Central America....Pages 93-105
Communities of oligochaetes in mountain streams of Poland....Pages 107-110
Oligochaeta in Spartina stems: the microdistribution of Enchytraeidae and Tubificidae in a salt marsh, Sapelo Island, USA....Pages 111-123
Distribution of Oligochaeta in some lakes and pools of Bolivia....Pages 125-127
Influence of small river conditions on the abundance of Tubificidae....Pages 129-131
Aquatic Oligochaeta of the Dnieper-Bug Estuary system....Pages 133-138
On the distribution patterns and population dynamics of sublittoral and profundal oligochaeta fauna from Lake Banyoles (Catalonia, NE Spain)....Pages 139-149
Depth distribution of oligochaetes in Lake Baikal (Siberia — Russia)....Pages 151-156
Ultrastructural and histochemical comparison in two haplotaxids....Pages 157-163
An ultrastructural overview of tubificid spermatozoa....Pages 165-178
Body wall muscles in oligochaetes....Pages 179-188
Comparative body wall musculature and muscle fibre ultrastructure in branchiobdellidans (Annelida: Clitellata), and their phylogenetic significance....Pages 189-199
Response of tidal freshwater macrobenthos to sediment disturbance....Pages 201-212
Oligochaetes and water pollution in two deep Norwegian lakes....Pages 213-222
A field test of a sediment bioassay with the oligochaete worm Tubifex tubifex (Müller, 1774)....Pages 223-230
Lacustrine, profundal meiobenthic oligochaetes as indicators of trophy and organic loading....Pages 231-241
Oligochaete response to changes in water flow in the Dokka Delta, Lake Randsfjorden (Norway), caused by hydroelectric power development....Pages 243-249
An experimental manipulation of oligochaete communities in mesocosms treated with chlorpyrifos or nutrient additions: multivariate analyses with Monte Carlo permutation tests....Pages 251-266
Quantitative observations on the population ecology of Branchiura sowerbyi (Oligochaeta, Tubificidae)....Pages 267-274
Biology of Limnodrilus claparedeanus Ratzel (Oligochaeta, Tubificidae) in the Tsimlyansk Reservoir....Pages 275-279
Population dynamics of Potamothrix alatus paravanicus Poddubnaya & Pataridze (Tubificidae) in different areas of Lake Sevan....Pages 281-286
Influence of environmental factors on the production of Potamothrix alatus paravanicus Poddubnaya & Pataridze (Tubificidae) in different areas of Lake Sevan....Pages 287-290
Population dynamics and energy budget of Marionina southerni (Cernosvitov) (Enchytraeidae, Oligochaeta) in the shallow littoral of Lake Esrom, Denmark....Pages 291-301
Population dynamics of Narapa bonettoi Righi and Varela, 1983 (Oligochaeta: Narapidae) from the main channel of the Middle Paraná River, Argentina....Pages 303-308
Production of some oligochaete species in large Estonian lakes....Pages 309-313
Observations on cohorts of Tubifex tubifex cultured at different food levels, using cellulose substrate....Pages 315-320