نتایج جستجو برای: forest products
تعداد نتایج: 393367 فیلتر نتایج به سال:
The different uses of wood result in a hierarchy of carbon and energy impacts that can be characterized by their efficiency in displacing carbon emissions and/or in displacing fossil energy imports, both being current national objectives. When waste wood is used for biofuels (forest or mill residuals and thinnings) fossil fuels and their emissions are reduced without significant land use change...
In recent decades, concerns have arisen about the proper valuation of the world's forests. While some of these concerns have to do with market distortions for timber products or inadequate data on non-timber forest products, an additional issue has been the challenge of uncovering the economic worth of non-market services provided by forest ecosystems (Kramer, Healy and Mendelsohn). This has le...
From a supply and demand point of view, the trend toward forest-products certification appears simple: some retail consumers may prefer to buy products from forests managed in an environmentally sound way while some forest owners may be willing to alter their management practices in order to sell to these consumers. However, as the authors indicate, the issue of communicating to consumers the d...
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