نتایج جستجو برای: ecological forestry
تعداد نتایج: 109541 فیلتر نتایج به سال:
C. A. Bates, Georgia Forestry Commission, Statesboro, GA 30461; S. W. Fraedrich, U.S. Forest Service, Forestry Sciences Laboratory, Athens, GA 30602; T. C. Harrington, Department of Plant Pathology and Microbiology, Iowa State University, Ames 50011; R. S. Cameron, Georgia Forestry Commission, Statesboro, GA 30461; R. D. Menard, U.S. Forest Service, Forest Health Protection, Pineville, LA 71360...
Developing Two Additive Biomass Equations for Three Coniferous Plantation Species in Northeast China
Lihu Dong 1, Lianjun Zhang 2 and Fengri Li 1,* 1 Department of Forest Management, School of Forestry, Northeast Forestry University, Harbin 150040, China; [email protected] 2 Department of Forest and Natural Resources Management, State University of New York, College of Environmental Science and Forestry (SUNY-ESF), One Forestry Drive, Syracuse, NY 13210, USA; [email protected] * Correspondenc...
1Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Fujian Agriculture and Forestry University, China 2Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Science, Fujian Agriculture and Forestry University, China 3Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, China 4Ins...
Agroforestry as active area of multi-, inter-, and transdisciplinary research aims to bridge several artificial divides that have respectable historical roots but hinder progress toward sustainable development goals. These include: (1) The segregation “forestry trees” “agricultural crops”, ignoring the continuity in functional properties functions; farm-scale “Agroforestry-1” concept seeks reco...
a r t i c l e i n f o Keywords: Ecosystem-based management Cultural capital Forest policy Silviculture Bureaucracy Forests in North America have been managed, or unmanaged, under a number of different policy regimes, most recently ecosystem-based management (EBM), which has emerged in response to perceived widespread ecological degradation. But as policy regimes shift, links between stated obje...
Forest and tree-based landscapes represent complex social-ecological systems. In tropical subtropical regions, these are home to hundreds of millions resource-poor people. Gaining a better understanding how contextual factors influence forest-poverty dynamics is essential for the design, targeting implementation effective policy instruments interventions alleviate poverty. this article we prese...
www.frontiersinecology.org © The Ecological Society of America O about 12% of Earth’s land is located in protected areas, and less than half of this is managed primarily for biodiversity conservation (Hoekstra et al. 2005). Although protected areas are an essential part of any credible conservation strategy (Margules and Pressey 2000), it is becoming increasingly clear that reserves alone will ...
This paper outlines a framework for understanding gameplay from the perspective of ecological psychology. According to this perspective, gameplay can be described in terms of perceiving, acting on and transforming the affordances that are related to a game system or to other players in a game. Challenges in games have an emphasis on perceiving suitable actions and/or performing suitable actions...
in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.
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