نتایج جستجو برای: shelterwood felling
تعداد نتایج: 783 فیلتر نتایج به سال:
More than 30 years ago, Decree 15/1989 (X. 8.) on the issue of Forest Safety Regulations (hereinafter referred to as "FSR") was issued. This is result amendments Labour - MT 64/1980 (XII. 29.), 18/1984 (III. 31.), 12/1985 14.), 4/1987 (II. 9.) and 63/1989 (VI. 30. MT, amended by No 47/1979 (XI. 30.) established in consultation with ministers concerned, Head National Inspectorate, Council Produc...
Matang Mangrove Forest Reserve (MMFR) in Peninsular Malaysia is under systematic management since 1902 and still considered as the best managed mangrove forest in the world. The present study on silvimetrics assessed the ongoing MMFR forest management, which includes a first thinning after 15 years, a second thinning after 20 years and clear-felling of 30-year old forest blocks, for its efficie...
Timber harvest provides favorable habitat for many species of shrub-dependent birds. Because of historical dominance, effect of clearcutting on early successional birds has been widely studied, but less information is available on alternatives such as shelterwood and group selection, which have become a more dominant means of regenerating pines (Pinus spp.) on federal lands of the southeastern ...
Selective logging in the tropics results carbon emissions but also creates favourable environmental conditions for regeneration of tree species and recovery. We evaluate recovery biomass selectively logged forests impacted by timber harvesting on Yucatán Peninsula, Mexico. Fieldwork was conducted two annual cutting areas 2001 2009. Plots were established felling, skidding log landing sites. Reg...
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