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Poplars and Willows by Jud G. Isebrands,Jim Richardson Pdf
Poplars and willows form an important component of forestry and agricultural systems, providing a wide range of wood and non-wood products. This book synthesizes research on poplars and willows, providing a practical worldwide overview and guide to their basic characteristics, cultivation and use, issues, problems and trends. Prominence is given to environmental benefits and the importance of poplar and willow cultivation in meeting the needs of people and communities, sustainable livelihoods, land use and development.
Different species of the genus Populus, also known as poplars, are of great economic importance as major sources of timber, pulp and fiber. Salix species, or willows, have become very important sources of biomass for bioenergy. Both are characterized by their fast-growing trees, being asexually propagated, and having several species growing in riparian areas prone to flooding. This book studies the cultivation, applications and environmental benefits of poplars and willows. The first chapter begins with a review of the ecological importance and sustainable development of poplar forests in NE China and possible influences on soil properties. Chapter two reviews the properties and practical purposes of willows. Chapter three outlines an experimental project for growing, harvesting, and utilizing willow trees in Japan. Chapter four studies the responses of poplars and willows during flooding. The last chapter examines the application of organic wastes from industry and municipalities at short-rotation willow and poplar plantations.
Anne Shirley has graduated from Redmond College and she is getting ready to marry to Gilbert Blythe. While Gilbert is still in medical school, Anne takes a job as the principal of Summerside High School, where she also teaches. She lives in a large house called Windy Poplars with two elderly widows, Aunt Kate and Aunt Chatty, along with their housekeeper, Rebecca Dew, and their cat, Dusty Miller. During her time in Summerside, Anne must learn to manage many of Summerside's inhabitants, including the clannish and resentful Pringle family, her bitter colleague Katherine Brooke, and others of Summerside's more eccentric residents.
Planted Forests: Contributions to the Quest for Sustainable Societies by James Reid Boyle Pdf
In this volume, international experts describe biological, ecological, economic and social aspects of planted forests. Representative types of planted forests are described and discussed, technical and social aspects are considered, and case studies depict the variety of purposes and uses of planted forests. Authors discuss the nature of planted forests of representative species world-wide, basic biology and ecology of plantations, and economic and social considerations in landscapes where planted forests contribute to potentially sustainable societies. The authors represent temperate and tropical forests, developed and developing nations, and all levels of intensity of planting and managing forest trees. This compilation of views and viewpoints about planted forests provides a fresh, broad outlook on trees planted for myriad purposes. Forest scientists and managers, policy experts, development officials and interested citizens will find information of value and stimuli for thinking about forestsof the future.
National Research Council Canada,Poplar Council of Canada,Poplar Council of the United States
Author : National Research Council Canada,Poplar Council of Canada,Poplar Council of the United States Publisher : NRC Research Press Page : 424 pages File Size : 46,7 Mb Release : 2001 Category : Nature ISBN : 0660181452
This two-volume book on biomass is a reflection of the increase in biomass related research and applications, driven by overall higher interest in sustainable energy and food sources, by increased awareness of potentials and pitfalls of using biomass for energy, by the concerns for food supply and by multitude of potential biomass uses as a source material in organic chemistry, bringing in the concept of bio-refinery. It reflects the trend in broadening of biomass related research and an increased focus on second-generation bio-fuels. Its total of 40 chapters spans over diverse areas of biomass research, grouped into 9 themes.
NATIONAL BESTSELLER WINNER OF THE RBC TAYLOR PRIZE WINNER OF THE EDNA STAEBLER AWARD FOR CREATIVE NON-FICTION "Every day on a bike trip is like the one before--but it is also completely different, or perhaps you are different, woken up in new ways by the mile." As a teenager, Kate Harris realized that the career she most craved--that of a generalist explorer, equal parts swashbuckler and philosopher--had gone extinct. From her small-town home in Ontario, it seemed as if Marco Polo, Magellan and their like had long ago mapped the whole earth. So she vowed to become a scientist and go to Mars. To pass the time before she could launch into outer space, Kate set off by bicycle down a short section of the fabled Silk Road with her childhood friend Mel Yule, then settled down to study at Oxford and MIT. Eventually the truth dawned on her: an explorer, in any day and age, is by definition the kind of person who refuses to live between the lines. And Harris had soared most fully out of bounds right here on Earth, travelling a bygone trading route on her bicycle. So she quit the laboratory and hit the Silk Road again with Mel, this time determined to bike it from the beginning to end. Like Rebecca Solnit and Pico Iyer before her, Kate Harris offers a travel narrative at once exuberant and meditative, wry and rapturous. Weaving adventure and deep reflection with the history of science and exploration, Lands of Lost Borders explores the nature of limits and the wildness of a world that, like the self and like the stars, can never be fully mapped.
'frees contribute a major part of fuel, fodder and fruit, and are an im of bioenergy. They are now needed in large numbers more portant source than ever before for afforestation and social forestry, so that fast-grow ing and multipurpose trees assume great importance. After extensive in discriminate deforestation and rapid depletion of genetic stocks, efforts are now being made to evolve methods for clonal mass propagation of improved and elite trees. Production of short-duration trees with a rapid turnover of biomass, and induction of genetic variability through in vitro manipulation for the production of novel fruit and forest trees, which are high-yielding and resistant to pests and diseases, and trees which display increased photosynthetic efficiency are in demand. These objectives are well within the realm of horticultural and forest biotech nology. Some of the recent advances, such as the regeneration of com plete trees from isolated protoplasts, somatic hybridization, and the Agrobacterium-mediated transformation in various tree species have opened new vistas for the genetic engineering of fruit and forest trees. This book is a continuation of the earlier volume Trees I, and presents 31 chapters on fruit, forest, nut and ornamental trees, such as avocado, pineapple, crabapple, quince, pistachio, walnut, hazelnut, date palm, oil palm, cacao, rubber, maple, sweet-gum, poplars, birches, Chinese tallow, willows, oaks, paper mulberry, rhododendrons, Scots pine, Calabrian pine, Douglas-fir, redwood, ginkgo, cycads and some flowering trees.
