TAILIEUCHUNG - Báo cáo lâm nghiệp: "Timber harvesting in the ukrainian carpathians: Ecological problems and methods to solve them"

Tuyển tập những bài báo cáo nghiên cứu khoa học hay nhất được đăng trên tạp chí JOURNAL OF FOREST SCIENCE đề tài: Timber harvesting in the ukrainian carpathians: Ecological problems and methods to solve them. | JOURNAL OF FOREST SCIENCE 56 2010 7 333-340 Timber harvesting in the Ukrainian Carpathians Ecological problems and methods to solve them N. Byblyuk1 O. Styranivsky1 V. Korzhov2 V. Kudra2 Ukrainian National Forestry University Lviv Ukraine 2Ukrainian Research Institute for Mountain Forestry Ivano-Frankivsk Ukraine ABSTRACT The paper contains results of comparative investigations of crawler and wheeled skidders regarding their effect on soil surface undergrowth and rut formation during mountain timber harvesting. It was shown that the extent of erosion resulting from damage to the soil surface depends on the steepness and length of slopes during both construction of skidding tracks and skidding by tractors. Considering the current condition of development of timber harvesting machinery the use of crawler machines is the main method for transportation of cargos in regions with difficult access. Keywords crawler and wheeled skidders damage to ground surface rut formation undergrowth damage The Carpathians are an important part of the ecological economic and recreational environment for people in the centre of Europe shared by many nations and countries. It is one of a few regions that preserve relatively large areas of virgin forests with their unique fauna and flora. On their basis a number of protected objects and territories were created. In May 2003 Ukraine signed The Convention on the Protection and Sustainable Development of the Carpathians which defines the implementation of all-round policies directed towards the conservation and sustainable development of the region to improve the quality of life strengthen local economies and communities and preserve natural values and cultural heritage. One of the laws in force directed to more environment-friendly ways of forest utilization in Ukraine is the Ukrainian Act on The moratorium on Performing Clear Cutting on Mountain Slopes in SpruceBeech Forests of the Carpathian Region . This law was the first one on the state

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