Overview

Full Product Details

Author:   Wilfrid Norman Edwards ,  C. A. Edwards ,  J. R. Lofty
Publisher:   Chapman and Hall
Imprint:   Chapman and Hall
Edition:   2nd Revised edition
Dimensions:   Width: 14.00cm , Height: 1.80cm , Length: 21.60cm
Weight:   0.448kg
ISBN:  

9780412149405

ISBN 10:   0412149400
Pages:   334
Publication Date:   08 November 1977
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us.

Table of Contents

1. 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.

Reviews

Author Information

Tab Content 6

Author Website:  

Customer Reviews

Recent Reviews

No review item found!

Add your own review!

Countries Available

All regions