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Gathers selections from nine of Darwin's most important books, including writings about coral reefs, the Galapagos Islands, evolution, emotions, and flowers.
This book is a concise and well-illustrated treatment of the conventional knowledge and modern utilities of earthworms. The first two chapters deal with earthworm morphology, food relationship, behavior, functional role, interaction with soil biota, and the influence of environmental factors. Earthworms found in the tropics and sub-tropics are also discussed in this section. The third chapter provides a good account of utilizing species of worms to produce high value manure through vermitechnology and its application in agriculture. The nutritional and medicinal values of earthworms are illustrated in the fourth chapter, while the fifth c provides information on how earthworms are used successfully as indicators of ecological perturbations, soil quality and for remediation of contaminated soils. The book will immensely benefit students, faculty and researchers in biological, agricultural and environmental sciences. It is also a source of information for anyone interested in knowing more about earthworms.
Charles Darwin's final scientific book, 'The Formation of Vegetable Mould Through the Action of Worms', explores the habits and ecology of earthworms and their role in soil bioturbation. Published shortly before Darwin's death, the book highlights the gradual changes over long periods of time that can lead to surprising consequences. While not using the term soil bioturbation, Darwin's work was the first significant study on the topic.