大笑
发表于 2025-3-25 05:07:29
A Grand Experiment: USDA Forest Service Experimental Forests and Rangess overview gives examples of forest research in the US predating establishment of the USDA Forest Service and features the leaders instrumental in subsequently planting the seeds for and nurturing experimental forests and ranges across the country in the twentieth century. Topics of research conduct
预防注射
发表于 2025-3-25 11:17:39
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残酷的地方
发表于 2025-3-25 12:04:34
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BOAST
发表于 2025-3-25 15:49:48
Restoring a Legacy: Longleaf Pine Research at the Forest Service Escambia Experimental Forestt of numerous federally listed species, once dominated more than 36.4 million ha but now occupy only 1.4 million ha of forested land in the region. The Escambia Experimental Forest was established in 1947 through a 99-year lease with the T.R. Miller Mill Company of Brewton, AL, to explore all aspect
镇压
发表于 2025-3-25 21:51:51
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声明
发表于 2025-3-26 02:42:28
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胎儿
发表于 2025-3-26 05:58:57
Uneven-Aged Management After a Half-Century of Research on the Forest Service Fernow Experimental Fo general, the concept of uneven-age management entails the sustained yield of forest products while maintaining continuous forest cover. In North America, interest in uneven-age management grew in the second half of the twentieth century after most of the old-growth forests had been harvested. In We
Metastasis
发表于 2025-3-26 10:48:04
The Monongahela Clearcutting Controversy: Scientists and Land Managers Develop an Alternative Practiry and resulting litigation. However, there is more to this story than vocal opponents and lawsuits. This chapter reveals firsthand accounts of the partnerships between land managers on the MNF and USDA Forest Service scientists working on the Fernow Experimental Forest. It was this cooperation, for
褪色
发表于 2025-3-26 15:18:15
Development of the Selection System in Northern Hardwood Forests of the Lake States: An 80-Year Silvchanging management and social objectives for more than 80 years. In 1926, the first northern hardwood silviculture study was established in old-growth stands at the Dukes Experimental Forest. In response to social demands for more “natural” forestry, the study included then-contemporary practices (
BUCK
发表于 2025-3-26 18:59:55
The Starkey Experimental Forest and Range: Long-Term Research to Meet the Needs of Managersets. Coupling long-term vegetation data sets with long-term wildlife demographics allows scientists to evaluate potential cause–effect relations between changing landscapes and wildlife populations. Vegetation data sets contain important variables often included in habitat effectiveness models that