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The Seen and Unseen World of the Fallen Tree by Chris Maser Pdf
Gevallen bomen in verschillende stadia van verval komen tegemoet aan een veelzijdig bodemleven, doordat ze een relatief koel en vochtig bodemmilieu bieden voor dieren en een voedingsbodem voor micro-organismen en wortelactiviteit. Met het effect van het verlies hiervan door te intensief gebruik en beheer van bossen moet rekening worden gehouden met het oog op de toekomstige produktiviteit van bossen en om besluitvorming hieromtrent op juiste gegevens te kunnen baseren
Management of Old Growth Forests by United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on General Oversight, Northwest Power, and Forest Management Pdf
This accessible and provocative book explores whether getting 'unhooked' from economic growth to meet the needs of the environment is possible. Although giving the environment priority over growth may seem radical, the author argues that it can be accomplished using marketable emissions allowances, transferable development rights, and other tools popular with conventional economists. It can also be achieved by creating more interesting and environmentally friendly urban landscapes less beholden to the automobile. The key problem will be ensuring that everyone who wants employment can find it. This will require a transition to a shorter workweek, the wistful goal of many a harried worker. More leisure, a higher-quality environment, and more attractive cities and towns are the potential rewards of a less consumption-oriented society. Yet how can the power of special interests be overcome in the name of environmental conservation? This is the author's critical final question as he offers a clear path to a sustainable economic and environmental future.
The H.J. Andrews Experimental Forest (Andrews Forest) is both an idea and a particular place. It is an experimental landscape, a natural resource, and an ecosystem that has long inspired many people. On the landscape of the Andrews Forest, some of those people built the foundation for a collaborative community that fosters closer communication among the scientists and managers who struggle to understand how that ecosystem functions and to identify optimal management strategies for this and other national forest lands in the Pacific Northwest. People who worked there generated new ideas about forest ecology and related ecosystems. Working together in this place, they generated ideas, developed research proposals, and considered the implications of their work. They functioned as individuals in a science-based community that emerged and evolved over time. Individuals acted in a confluence of personalities, personal choices, and power relations. In the context of this unique landscape and serendipitous opportunities, those people created an exceptionally potent learning environment for science and management. Science, in this context, was largely a story of personalities, not simply a matter of test tubes, experimental watersheds, or top-down management sponsored by a large federal agency or university. Ideas flowed in a constructed environment that eventually linked people, place, and community with an emerging vision of ecosystem management. Drawing largely on oral history, this book explores the inner workings and structure of that science-based community. Science themes, management issues, specific research programs, the landscape itself, and the people who work there are all indispensable components of a complex web of community, the Andrews group. The first four chapters explore the origins of the Forest Service decision to establish an experimental forest in the west-central Oregon Cascades in 1948 and the people and priorities that transformed that field site into a prominent facility for interdisciplinary research in the coniferous biome of the International Biological Programme in the 1970s. Later chapters explore emerging links between long-term research and interdisciplinary science at the Andrews Forest. Those links shaped the groups response to concerns about logging in old-growth forests during the 1980s and 1990s. Concluding chapters explore how scientists in the group tried to adapt to new roles as public policy consultants in the 1990s without losing sight of the community values that they considered crucial to their earlier accomplishments.
A Conspiracy of Optimism explains the controversy now raging over the U.S. Forest Service’s management of America’s national forests. Confronted with the dual mandate of production and preservation, the U.S. Forest Service decided it could achieve both goals through more intensive management. For a few decades after World War Two, this “conspiracy of optimism” masked the fact that high levels of resource extraction were destroying forest ecosystems. The effects of intensive management—massive clear-cuts, polluted streams, declining wildlife populations, and marred scenery—initiated several decades of environmental conflict that continues to the present. Hirt documents the roots of this conflict and illuminates recent changes in administration and policy that suggest a hopeful future for federal lands.
The Landscaping Ideas of Jays by Judith Larner Lowry Pdf
This volume "celebrates the beauty, the challenges, and the rewards of growing native plants at home". Organized by season, the author offers guidance on how to plan a garden with birds, plants, and insects in mind; how to shape it with trees and shrubs, paths and trails, ponds, and other features; and how to cultivate, maintain, and harvest seeds and food from a diverse array of native annuals and perennials. She demonstrates to gardeners in California how to boost native plant diversity while attracting wildlife and conserving water.
