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With more than 200 photographs and an extensive text, Tracks in the Forest describes in detail the first logging equipment of the late 19th century, and the technological developments of the 1920s-30s and 1950s-60s -- the forerunners of 90% of all logging machines used today.
Learn how to read the secret language of animal tracks. Find out how to tell how fresh tracks are, which animals made the, how fast they might have been traveling, and more.
This all-new edition includes descriptions of the habits, habitats, tracks, signs, and ranges of all the mammals of North America, as well as of selected birds, reptiles, amphibians, and insects. More than 1,000 line drawings and 100 color photographs further enhance the text.
Payments for Environmental Services (PES) are being considered worldwide with great interest and expectation. Proposals to create agreements in which beneficiaries of environmental services pay landowners directly for the provision or protection of these services are innovative and promising. But what real PES experiences are actually out there? This work assesses a range of PES or PES-type experiences in one country, Bolivia, in the fields of carbon sequestration, protection of watershed services, biodiversity and aesthetic landscape values. The report concludes that while none of the generally young initiatives adhere fully to the principle of PES as developed in the theoretical literature, many experiment with some of the relevant PES mechanisms. Protection of watersheds and landscape values are the most common types, though the implementing intermediaries often have underlying biodiversity-protection goals. Main obstacles to PES implementation include ideological resistance against the PES concept, the difficulty of building trust between buyers and sellers, and limited willingness to pay on behalf of service users. During their relatively short lifetime, basically all initiatives had been successful in making service sellers (PES recipients) better off in economic terms, while the effectiveness in achieving environmental objectives and securing positive social impacts so far remained more variable. In some cases, redesigning these initiatives to bring them closer to the full PES principles could also enable them to more effectively achieve positive environmental and livelihood outcomes.
Author : Chris Stuart Publisher : Penguin Random House South Africa Page : 492 pages File Size : 44,81 MB Release : 2013-01-21 Category : Nature ISBN : 1775840301
Originally published in 1994, A Field Guide to Tracks and Signs of Southern and East African Wildlife quickly became the standard reference to the subject in the region, reprinting many times. This new edition provides the most detailed coverage of tracks, droppings, bird pellets, nests and shelters and feeding signs, not only for mammals, but also for birds, reptiles, insects and other invertebrates. Greatly expanded, this extensive update now features: full colour throughout; many
Intellectually rich, intensely personal, and beautifully written, Tracks and Shadows is both an absorbing autobiography of a celebrated field biologist and a celebration of beauty in nature. Harry W. Greene, award-winning author of Snakes: The Evolution of Mystery in Nature, delves into the poetry of field biology, showing how nature eases our existential quandaries. More than a memoir, the book is about the wonder of snakes, the beauty of studying and understanding natural history, and the importance of sharing the love of nature with humanity. Greene begins with his youthful curiosity about the natural world and moves to his stints as a mortician's assistant, ambulance driver, and army medic. In detailing his academic career, he describes how his work led him to believe that nature’s most profound lessons lurk in hard-won details. He discusses the nuts and bolts of field research and teaching, contrasts the emotional impact of hot dry habitats with hot wet ones, imparts the basics of snake biology, and introduces the great explorers Charles Darwin and Alfred Russel Wallace. He reflects on friendship and happiness, tackles notions like anthropomorphism and wilderness, and argues that organisms remain the core of biology, science plays key roles in conservation, and natural history offers an enlightened form of contentment.