wilfrid edwards (10 Ergebnisse)

367-381pp., orig. printed wrappers. [Offprint from the 'Proceedings of the Yorkshire Geological Society', December, 1958].

Hardback in Dust Wrapper. Zustand: Good+. Zustand des Schutzumschlags: Good+. Condition Notes: Edges of the dust wrapper frayed at the spine ends and corners, a little dulled. Leans slightly. Text complete, clean and tight but a little age-tanned; First edition (first printing). Hardback. Dust wrapper over red boards with gilt titles to the spine; Measures 8¾" x 5¾" (0.7 kg); pp 244; Index; Includes: Black & white plates; ); List of sources; Illustrated lining papers; Frontispiece; || The book is on the shelf, ready to be appropriately packed, and posted from the pastoral paradise of Peasedown St. John, Bath, by a real bookseller in a real book shop - with my personal guarantee and beady eye on the Consumer Contracts Regulations. REMEMBER! Buying my copy means the book shop Jack Russells get their supper! My Book #167420 ||.

Gr. 8°, Leinen. 93 Seiten. Mit einigen Schw.-Weiß-Abbildungen. Buch mit minimalen Gebrauchsspuren. Sonst sehr gut erhalten. 125 Sprache: Deutsch Gewicht in Gramm: 294.

Unknown Binding. Zustand: Very Good. First edition without jacket on orange cloth will send out 1 st class post - rare and collectable.

Taschenbuch. Zustand: Neu. Neuware -Inhaltsangabe1. Morphology.- 1.1 Segmentation: external.- 1.2 Chaetotaxy.- 1.3 Genital and other apertures.- 1.4 The clitellum and associated structures.- 1.5 Pigmentation.- 1.6 The body wall.- 1.7 The coelom.- 1.8 The alimentary canal.- 1.9 The vascular system.- 1.10 The respiratory system.- 1.11 The excretory system.- 1.12 The nervous system.- 1.13 The reproductive system.- 2. Taxonomy.- 2.1 Systematic affinities and descent.- 2.2 Families, genera and species.- 2.2.1 Moniligastridae.- 2.2.2 Megascolecidae.- 2.2.3 Ocnerodrilidae.- 2.2.4 Acanthodrilidae.- 2.2.5 Octochaetidae.- 2.2.6 Eudrilidae.- 2.2.7 Glossoscolecidae.- 2.2.8 Sparganophilidae.- 2.2.9 Microchaetidae.- 2.2.10 Hormogastridae.- 2.2.11 Criodrilidae.- 2.2.12 Lumbricidae.- 2.3 Geographical distribution.- 3. Biology.- 3.1 Life cycles.- 3.2 Reproduction.- 3.2.1 Spermatogenesis.- 3.2.2 Oogenesis.- 3.2.3 Copulation and fertilization.- 3.3 Quiescence, diapause and aestivation.- 3.4 Growth.- 3.5 Behaviour.- 4. Physiology.- 4.1 Respiration.- 4.2 Digestion.- 4.3 Excretion.- 4.4 Circulation.- 4.5 Nervous system.- 4.5.1 General.- 4.5.2 Light reactions.- 4.5.3 Chemoreception.- 4.5.4 Thigmotactic reactions.- 4.5.5 Responses to electrical stimuli.- 4.6 Water relationships.- 4.7 Locomotion and peristalsis.- 4.8 Regeneration.- 4.9 Transplantation.- 5. Ecology.- 5.1 Estimation of populations.- 5.1.1 Handsorting.- 5.1.2 Soil washing.- 5.1.3 Electrical methods.- 5.1.4 Chemical methods.- 5.1.5 Heat extraction.- 5.1.6 Vibration methods.- 5.1.7 Comparisons of methods.- 5.1.8 Number and size of samples.- 5.2 Size of populations.- 5.3 Population structure.- 5.4 Population distributions.- 5.4.1 Horizontal distributions.- 5.4.2 Vertical distributions.- 5.5 Seasonal populations and activity.- 5.6 Burrowing and casting.- 5.7 Species associations.- 5.8 Predators and parasites.- 5.9 Effect of environmental factors.- 5.9.1 pH.- 5.9.2 Moisture.- 5.9.3 Temperature.- 5.9.4 Aeration and carbon dioxide.- 5.9.5 Organic matter.- 5.9.6 Soil type.- 5.9.7 Food supply.- 6. The role of earthworms in organic matter cycles.- 6.1 Fragmentation and breakdown.- 6.2 Consumption, turnover and humification.- 6.3 Nitrogen mineralization.- 6.4 Effects on the C:N ratio.- 6.5 Effect on available mineral nutrients.- 7. Earthworms and micro-organisms.- 7.1 Effect of earthworms on number of microorganisms.- 7.2 Effects of earthworms on dispersal of microorganisms.- 7.3 Stimulation of microbial decomposition.- 8. Earthworms and soil fertility.- 8.1 Effects of earthworms on soil structure.- 8.1.1 Breakdown of soil particles.- 8.1.2 Turnover of soil.- 8.1.3 Formation of aggregates.- 8.1.4 Aeration, porosity and drainage.- 8.2 Earthworms as indicators of soil type.- 8.3 Effect of earthworms on crop yield.- 8.4 Soil amelioration by earthworms.- 9. Effects of agriculture on earthworm popu lations.- 9.1 Effects of cultivations.- 9.2 Effects of cropping.- 9.3 The effects of fertilizers.- 9.4 Mortality from pesticides.- 9.5 Uptake of pesticides into earthworms.- 9.6 Radioisotopes and earthworms.- 9.7 Heavy metals and earthworms.- 10. Earthworms as pests and benefactors.- 10.1 As pests of crops.- 10.2 As pests of grassland and turf.- 10.3 Control of earthworms.- 10.4 Transmission of diseases.- 10.5 Adverse effects on soil.- 10.6 Earthworms as benefactors.- 11. Simple experiments and field studies with earthworms.- 11.1 Cultures.- 11.2 Preservation.- 11.3 Dissection.- 11.4 Field experiments with earthworms.- 11.4.1 Distributions.- 11.4.2 Effects of pH.- 11.4.3 Production of casts.- 11.4.4 Incorporation of plant organic matter.- 11.4.5 Palatability of leaves.- 11.4.6 Burrowing experiments.- 11.4.7 Life history studies.- 11.4.8 Vertical and horizontal distribution of earthworms.- 11.4.9 Effects of insecticides on earthworms.- 11.4.10 Physiological experiments.- 11.4.11 Behavioural experiments.- A simplified key to common genera of terrestrial earthworms.- References.- Indexes.- Systematic.- Author.- General.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 352 pp. Englisch.

Taschenbuch. Zustand: Neu. Biology of Earthworms | Wilfrid Norman Edwards | Taschenbuch | xviii | Englisch | 1977 | Humana | EAN 9780412149405 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Inhaltsangabe1. Morphology.- 1.1 Segmentation: external.- 1.2 Chaetotaxy.- 1.3 Genital and other apertures.- 1.4 The clitellum and associated structures.- 1.5 Pigmentation.- 1.6 The body wall.- 1.7 The coelom.- 1.8 The alimentary canal.- 1.9 The vascular system.- 1.10 The respiratory system.- 1.11 The excretory system.- 1.12 The nervous system.- 1.13 The reproductive system.- 2. Taxonomy.- 2.1 Systematic affinities and descent.- 2.2 Families, genera and species.- 2.2.1 Moniligastridae.- 2.2.2 Megascolecidae.- 2.2.3 Ocnerodrilidae.- 2.2.4 Acanthodrilidae.- 2.2.5 Octochaetidae.- 2.2.6 Eudrilidae.- 2.2.7 Glossoscolecidae.- 2.2.8 Sparganophilidae.- 2.2.9 Microchaetidae.- 2.2.10 Hormogastridae.- 2.2.11 Criodrilidae.- 2.2.12 Lumbricidae.- 2.3 Geographical distribution.- 3. Biology.- 3.1 Life cycles.- 3.2 Reproduction.- 3.2.1 Spermatogenesis.- 3.2.2 Oogenesis.- 3.2.3 Copulation and fertilization.- 3.3 Quiescence, diapause and aestivation.- 3.4 Growth.- 3.5 Behaviour.- 4. Physiology.- 4.1 Respiration.- 4.2 Digestion.- 4.3 Excretion.- 4.4 Circulation.- 4.5 Nervous system.- 4.5.1 General.- 4.5.2 Light reactions.- 4.5.3 Chemoreception.- 4.5.4 Thigmotactic reactions.- 4.5.5 Responses to electrical stimuli.- 4.6 Water relationships.- 4.7 Locomotion and peristalsis.- 4.8 Regeneration.- 4.9 Transplantation.- 5. Ecology.- 5.1 Estimation of populations.- 5.1.1 Handsorting.- 5.1.2 Soil washing.- 5.1.3 Electrical methods.- 5.1.4 Chemical methods.- 5.1.5 Heat extraction.- 5.1.6 Vibration methods.- 5.1.7 Comparisons of methods.- 5.1.8 Number and size of samples.- 5.2 Size of populations.- 5.3 Population structure.- 5.4 Population distributions.- 5.4.1 Horizontal distributions.- 5.4.2 Vertical distributions.- 5.5 Seasonal populations and activity.- 5.6 Burrowing and casting.- 5.7 Species associations.- 5.8 Predators and parasites.- 5.9 Effect of environmental factors.- 5.9.1 pH.- 5.9.2 Moisture.- 5.9.3 Temperature.- 5.9.4 Aeration and carbon dioxide.- 5.9.5 Organic matter.- 5.9.6 Soil type.- 5.9.7 Food supply.- 6. The role of earthworms in organic matter cycles.- 6.1 Fragmentation and breakdown.- 6.2 Consumption, turnover and humification.- 6.3 Nitrogen mineralization.- 6.4 Effects on the C:N ratio.- 6.5 Effect on available mineral nutrients.- 7. Earthworms and micro-organisms.- 7.1 Effect of earthworms on number of microorganisms.- 7.2 Effects of earthworms on dispersal of microorganisms.- 7.3 Stimulation of microbial decomposition.- 8. Earthworms and soil fertility.- 8.1 Effects of earthworms on soil structure.- 8.1.1 Breakdown of soil particles.- 8.1.2 Turnover of soil.- 8.1.3 Formation of aggregates.- 8.1.4 Aeration, porosity and drainage.- 8.2 Earthworms as indicators of soil type.- 8.3 Effect of earthworms on crop yield.- 8.4 Soil amelioration by earthworms.- 9. Effects of agriculture on earthworm popu lations.- 9.1 Effects of cultivations.- 9.2 Effects of cropping.- 9.3 The effects of fertilizers.- 9.4 Mortality from pesticides.- 9.5 Uptake of pesticides into earthworms.- 9.6 Radioisotopes and earthworms.- 9.7 Heavy metals and earthworms.- 10. Earthworms as pests and benefactors.- 10.1 As pests of crops.- 10.2 As pests of grassland and turf.- 10.3 Control of earthworms.- 10.4 Transmission of diseases.- 10.5 Adverse effects on soil.- 10.6 Earthworms as benefactors.- 11. Simple experiments and field studies with earthworms.- 11.1 Cultures.- 11.2 Preservation.- 11.3 Dissection.- 11.4 Field experiments with earthworms.- 11.4.1 Distributions.- 11.4.2 Effects of pH.- 11.4.3 Production of casts.- 11.4.4 Incorporation of plant organic matter.- 11.4.5 Palatability of leaves.- 11.4.6 Burrowing experiments.- 11.4.7 Life history studies.- 11.4.8 Vertical and horizontal distribution of earthworms.- 11.4.9 Effects of insecticides on earthworms.- 11.4.10 Physiological experiments.- 11.4.11 Behavioural experiments.- A simplified key to common genera of terrestrial earthworms.- References.- Indexes.- Systematic.- Author.- General.

Hardback. Zustand: Very Good. Second edition. Pages clean and bright, no markings, light wear to edges. ALL ITEMS ARE DISPATCHED FROM THE UK WITHIN 48 HOURS ( BOOKS ORDERED OVER THE WEEKEND DISPATCHED ON MONDAY) ALL OVERSEAS ORDERS SENT BY TRACKABLE AIR MAIL. IF YOU ARE LOCATED OUTSIDE THE UK PLEASE ASK US FOR A POSTAGE QUOTE FOR MULTI VOLUME SETS BEFORE ORDERING.

v, 122pp. illustrated with 8pp. of photographs. Original black cloth, gilt. Board extremities slightly bumped o/w contents clean and sound. VG+. No dustwrapper present.

Cloth. Zustand: Fine. Zustand des Schutzumschlags: Fine. None (illustrator). First edition. An interesting geological study of the country Sheffield, complete with diagrams and photographs. A very smart copy of this geological study of the land around Sheffield. First edition, second impression. Illustrated throughout with numerous photographs, diagrams and charts. In an orange cloth binding with original unclipped dustwrapper. Externally, very smart. Dustwrapper is smart also. Internally, firmly bound. Pages are very bright and clean. Fine. book.