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Author:
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 886
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Book Description
Author:
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 886
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Book Description
Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 778
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Book Description
Author: Carol C. Baskin
Publisher: Elsevier
ISBN: 0124166830
Category : Science
Languages : en
Pages : 1601
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Book Description
The new edition of Seeds contains new information on many topics discussed in the first edition, such as fruit/seed heteromorphism, breaking of physical dormancy and effects of inbreeding depression on germination. New topics have been added to each chapter, including dichotomous keys to types of seeds and kinds of dormancy; a hierarchical dormancy classification system; role of seed banks in restoration of plant communities; and seed germination in relation to parental effects, pollen competition, local adaption, climate change and karrikinolide in smoke from burning plants. The database for the world biogeography of seed dormancy has been expanded from 3,580 to about 13,600 species. New insights are presented on seed dormancy and germination ecology of species with specialized life cycles or habitat requirements such as orchids, parasitic, aquatics and halophytes. Information from various fields of science has been combined with seed dormancy data to increase our understanding of the evolutionary/phylogenetic origins and relationships of the various kinds of seed dormancy (and nondormancy) and the conditions under which each may have evolved. This comprehensive synthesis of information on the ecology, biogeography and evolution of seeds provides a thorough overview of whole-seed biology that will facilitate and help focus research efforts. - Most wide-ranging and thorough account of whole-seed dormancy available - Contains information on dormancy and germination of more than 14,000 species from all the continents – even the two angiosperm species native to the Antarctica continent - Includes a taxonomic index so researchers can quickly find information on their study organism(s) and - Provides a dichotomous key for the kinds of seed dormancy - Topics range from fossil evidence of seed dormancy to molecular biology of seed dormancy - Much attention is given to the evolution of kinds of seed dormancy - Includes chapters on the basics of how to do seed dormancy studies; on special groups of plants, for example orchids, parasites, aquatics, halophytes; and one chapter devoted to soil seed banks - Contains a revised, up-dated classification scheme of seed dormancy, including a formula for each kind of dormancy - Detailed attention is given to physiological dormancy, the most common kind of dormancy on earth
Author: Nancy Marie Brown
Publisher: HMH
ISBN: 0547539398
Category : History
Languages : en
Pages : 325
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Book Description
The remarkable story of Gudrid, the female explorer who sailed from Iceland to the New World a millennium ago. Five hundred years before Columbus, a Viking woman named Gudrid sailed off the edge of the known world. She landed in the New World and lived there for three years, giving birth to a baby before sailing home. Or so the Icelandic sagas say. Even after archaeologists found a Viking longhouse in Newfoundland, no one believed that the details of Gudrid’s story were true. Then, in 2001, a team of scientists discovered what may have been this pioneering woman’s last house, buried under a hay field in Iceland, just where the epic tales suggest it could be. Joining scientists experimenting with cutting-edge technology and the latest archaeological techniques, and tracing Gudrid’s steps on land and in the sagas, The Far Traveler reconstructs a life that spanned—and expanded—the bounds of the then-known world. It also sheds new light on the society that gave rise to a woman even more extraordinary than legend has painted her, and illuminates the reasons for its collapse.
Author: Hongwei Cai
Publisher: CRC Press
ISBN: 1482208113
Category : Science
Languages : en
Pages : 318
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Book Description
Forage crops include several species of grasses and legumes that are widely used as animal fodder in the form of hay, pasturage and silage, as well as for turf and erosion control. Some forage grasses are also being considered for bio-energy generation. In this book leading researchers review the latest advances in molecular genetics and genomics; they also examine the success of breeding programs for forage grasses and legume species. The book will be useful for students and young researchers with an interest in forage, turf and bio-energy crops improvements.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251079986
Category : Political Science
Languages : en
Pages : 409
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Book Description
This publication presents the latest research in perennial crop breeding and programmes, and provides direction on where the field of perennial crop is heading. Many production systems and agricultural practices are no longer sustainable today as their effects on soils, water, biodiversity, and livelihood are significant. Mainstreaming the use of perennial crops into current practices can contribute to stabilize fragile soils and maintain natural processes essential to obtain stable and high yields. To face the challenges and risks of the twenty-first century, increasing the perenniality of crops and agricultural systems should become a larger research, development and policy focus.
Author: Dr. George W. Ware
Publisher: Springer Science & Business Media
ISBN: 9780387953021
Category : Science
Languages : en
Pages : 202
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Book Description
Reviews of Environmental Contamination and Toxicology provides detailed review articles concerned with aspects of chemical contaminants, including pesticides, in the total environment with toxicological considerations and consequences.
Author: Markku Saastamoinen
Publisher: Springer Science & Business Media
ISBN: 9086867553
Category : Science
Languages : en
Pages : 513
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Book Description
Forages should be the basis of all diets in horse feeding. Therefore it is of major importance to determine which parameters will influence their quality. Changes on chemical composition along the vegetative cycle, nutrient losses during harvesting, preservation and storage are factors that could have an effect on nutritive value, as well on digestibility and palatability. A specific grazing and ingesting behaviour, linked to plant preferences and the selection of feeding sites will have an impact on biodiversity. This will determine the options on plant species and varieties and further management of pastures for horses. This book highlights the role of forages and grazing in horse nutrition and also gathers information about related topics, such as the contribution of local breeds for the sustainability and development of rural areas, their impact on landscape and relationships with environmental preservation. This book is the 6th volume in a scientific series conceived through the European Workshop on Equine Nutrition (EWEN) which falls under the umbrella of the Horse Commission of the European Federation of Animal Science (EAAP). All these materials provide an interesting basis for further discussion, not only in specialized forums, but also for those involved in horse production.
Author: Gary M. Baxter
Publisher: John Wiley & Sons
ISBN: 0813815495
Category : Medical
Languages : en
Pages : 1280
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Book Description
The Sixth Edition of Adams and Stashak’s Lameness in Horses builds on the book’s reputation as the classic gold-standard reference on equine lameness. Now in full color, the text has been fully revised and streamlined to improve user-friendliness, with a new, simplified format and a stronger emphasis on the diagnosis and management of lameness. A valuable supplementary DVD provides a complete guide to diagnosing lameness, offering additional anatomical images; video clips demonstrating key procedures such as physical examination, flexion tests, perineural and intrasynovial anesthesia; and examples of lameness conditions in motion. The Sixth Edition presents new or significantly rewritten chapters on the axial skeleton, principles of musculoskeletal disease, principles of therapy for lameness, occupation-related lameness conditions, and lameness in the young horse. The diagnostic procedures chapter has also been significantly expanded to reflect advances in this important area. Adams and Stashak’s Lameness in Horses, Sixth Edition is an essential addition to any equine practitioner’s bookshelf.
Author: T. Satyanarayana
Publisher: I. K. International Pvt Ltd
ISBN: 8188237434
Category : Microbial diversity
Languages : en
Pages : 1159
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Book Description
Microbial Diversity: Current Perspectives and Potential Applications is woven around the recent global perceptions of microbial diversity in its all embracing facets. Diversity perspectives are discussed in the context of ecosystem dynamics, taking into consideration environments that are rather unique to microorganisms. Considerable thrust is placed on the role that microorganisms play in sustainable production systems. Microbe-plant interaction arena is highlighted through the discussion of mycorrhizal partners, on which depends not only the plant community structure but also abatement of abiotic and biotic stresses. Other mutualist, rhizobia gets its due coverage whereas plant disease component carries examples from both, fungal and viral disease point of view. Considerable emphasis is placed on a discussion of the environmental issues such as the approaches that will lead to newer bioremediation technologies. No discussion of microbial diversity is complete without their implications in animal and human health. Discussed in this context are L-arginases in cancer therapy as also bioactives from cyanobacteria. Genomics and pathogenicity of two groups of viruses, viz., blue tongue and flaviviruses is highlighted whereas keratinophilic fungal forms are discussed in the context of dermatophytic infections. This volume also carries a fair number of articles on commercial microbiology.
