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Recent studies on diverse aspects of the biology of clitellate works (oligochaetes and leeches) are found in the Proceedings of the most recent International Symposium on Aquatic Oligochaete Biology - from development to population dynamics and from ultrastructure to evolution. The majority of the contributions, which have a very broad geographic scope, are investigations of the biology and ecology of oligochaete works in natural and polluted waters.
List of contents
Taxonomy and Geographic Distribution. 1. Tenagodrilus musculus g.n., sp.n., a New Genus and Species of Lumbriculidae (Clitellata) from a Temporary Pond in Alabama, USA; M. Eckroth, R.O. Brinkhurst. 2. Kathrynella, a New Oligochaete Genus from Guyana; P. Omodeo. 3. Oligochaetes (Nididae, Tubificidae, Opistocystdae, Enchytraeidae, Sparganophilidae and Alluroididae) of Guyana; D.F. Stacey, K.A. Coates. 4. Species Separation and Identification in the Enchytraeidae (Oligochaeta, Annelida): Combining Morphology and General Protein Pattern; R. Schmelz. Distribution, Abundance and Habitat Types. 5. Naidids and Other Oligochaetes of Italy; A. di Chiara Paoletti, Sambugar. 6. The Distribution of Oligochaeta on an Exposed Rocky Shore in South East Ireland; B. Healy. 7. Oligochaeta and Aphanoneura in Ancient Lakes: a Review; P. Martin. 8. Distribution Patterns of Aquatic Oligochaetes Inhabiting Watercourses in the North-Western Iberian Peninsula; E. Martinez-Ansemil, R. Collado. 9. The Influence of Water Movement on the Distribution of Oligochaetes; T.D. Slepukhina. 10. Oligochaeta of Lake Taimyr: a Preliminary Survey; T. Timm. 11. Influence of Grain Size on the Distribution of Tubificid Oligochaetes; G. Sauter, H. Gude. 12. Investigations of Oligochaete Community Structure in Different Habitats of a River Marsh Near Hamburg; R. Grimm. 13. Long-Term Changes in Oligochaete Communities in Lake Ladoga; T. Slepukhina. 14. Oligochaetes in the Southern Basin of the Venetian Lagoon: Community Composition, Species Abundance Biomass and Dispersion Pattern; S. Casellato. Population Dynamics. 15. Seasonal Dynamics of Aufwuchs Naididae (Oligochaeta) on Phragmites australis in a Eutrophic Lake; B. Lohlein. 16. Age, Stage and Size Structure as Population State Variables for Tubifex tubifex (Oligochaeta, Tubificidae); A. Pasteris, et al. 17. Oligochaete Species and their Biomass as a Source of Fish Food in Hungarian Rice Fields; A. Szito. 18. Intermediate Host Specificity of Caryophllaeus laticeps (Pallas) in Swedish Tubificid Oligochaetes and Population Dynamics of the Parasite in its Final Host &endash; the Bream, Abramis brama (L.) in Lake Malaren; G. Milbrink. 19. Energy Budget of Oligochaeta and its Connection with the Primary Production of a Reservoir; K. Jenderedjian. 20. Production and Population Dynamics of Tubifex tubifex in the Profundal Zone of a Freshwater Reservoir in N. Italy; C. Bonacina, et al. Pollution Studies. 21. Superficial and Hyporheic Communities as Indicators of Pollution and Water Exchange in the River Moselle (France); M. Lafont, et al. 22. Reversal of Eutrophication in Four Swiss Lakes; Evidence from Oligochaete Communities; C. Lang, O. Reymond. 23. A Comparison of Two Tubificid Oligochaete Species as Candidates for Sublethal Bioassay Tests Relevant to Subtropical and Tropical Regions; M. Marchese, R.O. Brinkhurst. 24. Oligochaetes in a Long Term Eutrophication Experiment; P.F.M. Verdonschot. Anthropogenic Impacts on Oligochaete Communities in the Mouth of the Neva; N.P. Finogenova. 26. Upstream and Downstream Movement of Macrofauna (with Special Reference to Oligochaetes) in the River Raba Below a Reservoir; E. Dumnicka. 27. Peculiarities of Oligochaete Distribution in Aquatic Ecosystems Affected by Warm Water Streams; S. Afanasyev. 28. A Comparison of Reproduction, Growth and Acute Toxicity in Two Populations of Tubifex tubifex (Müller, 1774) from the North American Great Lakes and Northern Spain; T.B. Reynoldson, et al. Histology and Ultrastructure. 29. Morphogenesis of Helical Fibres in Haplotaxids; M. de Equileor, et al. 30. Histochemical Characterization of Secretions in the Reproductive Systems of Two Species of Branchiobdellidans (Annelida: Clitellata): a New Character for the Phylogenetic Matrix? S. Gelder. 31. An Ultrastructural Investigation of Hrabiella Pizl and Chalupsky, 1984 (Annelida). I Chaeta and Body Wall Organization; E. Rota, P. Lupetti. 32. Peripheral Vascular Apparatus in Some Aquatic Oligochaetes
Summary
This collection of papers covers recent studies on diverse aspects of the biology of clitellate works (oligochaetes and leeches)- from development to population dynamics and from ultrastructure to evolution. The majority of the papers are investigations of the biology and ecology of oligochaetes.
