tailieunhanh - Báo cáo lâm nghiệp: "Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic"

Tuyển tập những bài báo cáo nghiên cứu khoa học hay nhất được đăng trên tạp chí JOURNAL OF FOREST SCIENCE đề tài: Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic. | JOURNAL OF FOREST SCIENCE 55 2009 6 279-292 Regeneration and game damage in the Krusné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic L. Lehnerová1 R. Maruốák2 1Forest Management Institute Brandýs nad Labem branch Plzen Czech Republic Faculty of Forestry and Wood Sciences Czech University of Life Sciences in Prague Prague Czech Republic ABSTRACT In 2001-2004 National Forest Inventory was realized in the Czech Republic. A great number of variables was measured giving rise to an extensive information database that can be used to assess the state and development of various quantitative and qualitative dendrometric characteristics. This work presents the results of regeneration state and game damage in the Krusné hory Mts. based on the data from both the National Forest Inventory and the second enlarged measurement carried out after five years that was done in a part of the Fláje preserve and enabled basic comparison with the rest of the area. For the calculation of data acquired in the old and recent measurement standard methodology for processing National Forest Inventory was used. Comparison of data showed that the average number of regeneration individuals dropped by more than a third in the interval of 5 years as well as the number of plots with regeneration game damage of regeneration also was lower by 4 . The proportion of individuals damaged by peeling did not change during the investigated period. A significant increase in game damage to regeneration was found in the Fláje preserve. Keywords National Forest Inventory game damage Krusné hory Mts. A need to monitor the forest state within the complex territory of the countries in Europe arose at the beginning of the 20 th century. After World War I when the role of the State began to change distinctly there arose a need to have reliable data on the resources and state of national economy and to use them optimally. Information on the forest state as a resource of timber very .