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Most protected areas (e.g.national parks and nature reserves) have been created to protect wildlife and land- and seascape values. They currently cover over 13% of the world's land surface, around 12% of marine coastal areas and 4% of the marine shelf. Retaining and expanding these areas in the future will depend on showing their wider benefits for society. This book provides a concise and persuasive overview of the values of protected areas. Contributing authors from over fifty countries examine a wide range of values that are maintained in protected areas, including food, water and materials; health; tourism; cultural and spiritual values; and buffering capacity against climate change and ...
Plant diversity sustains all animal life, and the genetic diversity within plants underpins global food security. This text provides a practical and theoretical introduction to the strategies and actions to adopt for conserving plant genetic variation, as well as explaining how humans can exploit this diversity for sustainable development. Notably readable, it initially offers current knowledge on the characterization and evaluation of plant genetic resources. The authors then discuss strategies from in situ and ex situ conservation to crop breeding, exploring how these can be used to improve food security in the face of increasing agrobiodiversity loss, human population growth and climate change. Each chapter draws on examples from the literature or the authors' research and includes further reading references. Containing other useful features such as a glossary, it is invaluable for professionals and undergraduate and graduate students in plant sciences, ecology, conservation, genetics and natural resource management.
The book is based on the proceedings of a joint meeting of EAPR and EUCARPIA at King's College, Cambridge, December 1985.
This major work presents a biosystematic analysis of wild potatoes of Peru. It represents more than three decades of the work by the author in the International Potato Center. In addition to a description of the taxa, the book includes drawings of the various species, floral dissections, habitat photos and distribution maps. The distinguished artist and plant pathologist, Dr. Franz Frey, made the watercolor paintings.
A. PREVIOUS REVIEWS The review by Sw AMI NATHAN and HOWARD (1953) on "The Cytology and Genetics of the Potato (Solanum tuberosum) and Related Species" provides a convenient starting place for a consideration of recent advances in our knowledge of the cytology and genetics of potatoes. Taken together with FRUWIRTH (1925) and SWAMI NATHAN and HOWARD (1953), the present compilation should give a comprehensive survey of published work to the middle of 1959. In assembling the data for this review, use has been made of "Plant Breeding Abstracts," starting with Volume 22, No. 1 (January, 1952) and ending with Volume 29, No. 4 (October 1959). In these eight volumes of "Plant Breeding Abstracts" ther...
This book deals with the practical aspects in regeneration of field crop plants; regeneration of pasture plants; and regeneration of horticultural plants. It discusses the methods to increase seed stocks of cross-pollinated species.
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