Analysis Of Forest Resources And Forest Land Change In Bahrain

Based on the secondary survey data of forest resources conducted by Bahrain Forestry Bureau of Hulunbuir city in 2016,this paper grasps the current situation of forest resources through statistical analysis,The conclusions are as follows:1.Based on the statistical analysis of the survey data in 2016,the total forest area of the bureau is 241242.4 hm2,the forest coverage rate is 83.77%,the arbor forest land accounts for 86.24%of the total forest area,the other forest land accounts for 0.11%,the shrub forest land accounts for 2.30%,the immature forest land accounts for 0.08%,the nursery land accounts for 0.03%,the non standing forest land accounts for 0.17%,and the suitable forest land accounts for 4.64%,6.43%of the land for forestry auxiliary production.Based on the extraction of forest factor information,including ownership,origin and dominant species,the main tree resources in this area are Larch and Betula.2.Through the extraction and analysis of the forest classification,forest quality and health status of the forest resources of the Bureau,it is concluded that the ecological public welfare forest of the bureau is mainly the water conservation forest at the source and both sides of the Yalu River,while the commercial forest is mainly the general timber forest of arbor,but it is relatively less than the public welfare forest.According to the evaluation standard of forest health level and ecological function level,the overall situation is The area of healthy forest land is 241203.4 hm2,and the area of arbor forest with good ecological function is 128354.9 hm2.3.Based on the two types of data in the two management periods of 2016 and 2006,the transfer matrix of the corresponding forest land resources is made and analyzed,and the change of forest land resources of each classification is obtained.The total area of the global forest land increases by 23411.3 hm2 in the two management periods,among which Arbor forest land,sparse forest land,shrub forest land,nursery land and non standing forest land all increase,relatively immature forest land and suitable forest land Forest land has decreased...