Conifers 電子書籍 of
 
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Conifers of the New England?Acadian Forest A Cultural History【電子書籍】[ Steve Keating ]

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<p>Why did white pine help spark the American Revolution? How did balsam aid the development of germ theory? What does hemlock have to do with making leather? In <em>Conifers of the New England?Acadian Forest</em>, microbiologist Steve Keating explores how conifers influenced the course of human history, writing in a style that is both scientific and accessible.</p> <p>Keating’s study focuses on one of the most forested and wild ecoregions in North America, which extends into New York, New England, and Canada and includes Acadia National Park. Here, spruces, firs, and cedars of the northern boreal forest mix with hemlocks and pines of more temperate climates. This combination helps create the appearance, aroma, and ecology of the region, and the trees’ unique botanical traits have been ingeniously utilized by numerous peoples including the Iroquois, French explorers, beer brewers, and shipbuilders. Keating concludes with identification guides for the conifers and where they can be found in Acadia National Park.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 2,578円

Trees of the Eastern and Central United States and Canada The identification, habits, distribution, woodlore and uses of conifers and hardwoods, both native and escapes, illustrated with over 600 photographs【電子書籍】[ William M. Harlow ]

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<p>This is an extensively revised edition of the standard semipopular <em>Trees of the Eastern and Central United States and Canada.</em> It covers all the important native trees found in this area. A concise introduction provides all that you need to know for general identification of trees. Then, an eight-page, easy-to-use synoptic key enables you to locate at a glance the group or genus of any tree you are likely to encounter. Supplementary keys in the main text help you easily locate the various species.<br /> More than 140 different trees are described in detail, with information on general appearance, habit of growth, leaf forms, flowers, fruit, twig appearance, bark, and other features. Additional information includes habitat, distribution by states, commercial use, and even woodlore.<br /> Treatment throughout this fascinating book is semipopular; it is neither a slight sketch, nor a monograph for the specialist. It is a middle-range book, carefully written for the intelligent reader who is sincerely interested in accurate information about trees. With it you will be able to identify at sight almost any tree, not only by group but also by species. You will be able to tell a sugar maple from a Norway maple, a black oak from a white oak, a horse-chestnut from a chestnut. You will know which trees have edible fruit, which are suitable for house plantings, what climate and drainage conditions trees need, and a multitude of facts about each of more than 250 trees.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 1,010円

Crossbills and Conifers One Million Years of Adaptation and Coevolution【電子書籍】[ Craig Benkman ]

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<p><em>Crossbills and Conifers</em> explores an intimate natural historical connection, revealing why crossbills have become an exemplar of diversification and coevolution. Craig Benkman takes readers on his 40-year journey of research and discovery, exploring a series of unique and interrelated findings about the behavior, ecology, evolution and conservation of a remarkable group of birds.</p> <p>Key to revealing these insights is the ease with which one can measure how variation in bill structure, and conifer cone structure and phenology, influence the efficiency at which crossbills extract seeds from cones. Consumer-resource interactions are fundamental to much of ecology, but such relationships are rarely so readily quantified, not least with the coevolutionary arms race driving the evolution of the newly discovered Cassia Crossbill.</p> <p>This accessible and handsomely illustrated book will appeal to a wide audience. Students of ornithology and evolutionary biology will gain a greater understanding of the value of natural history and especially the utility of knowing when who eats whom and why. Bird enthusiasts and naturalists will learn much about the world of crossbills, the causes of their diversity which has challenged and inspired many ornithologists, and the threats that these birds face.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 5,619円

Resource Physiology of Conifers Acquisition, Allocation, and Utilization【電子書籍】[ Jacques Roy ]

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<p>Coniferous forests are among the most important of ecosystems. These forests are widespread and influence both the financial and biological health of our globe. This book focuses attention on conifers and how these trees acquire, allocate, and utilize the resources that sustain this crucial productivity. An international team of experts has surveyed and synthesized information from an expanding area of inquiry. The first half of the book describes how resources are acquired both by means of photosynthesis and through root systems. The latter half of the volume focuses upon how resources are stored and used. As conifers continue as a resource and ever increasingly important contributor to the regional and global environmental sustainability, this book will help establish how much sustainability can be expected and maintained.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 18,100円