【摘要】 喇叭沟门林区是北京市最大的天然林区 ,在此建立自然保护区可以有效保护原生性蒙古栎林和胡桃楸林 ,保护 99种濒危植物 ,保护密云水库的水源涵养林和森林旅游资源 .喇叭沟门自然保护区设计总面积 1 6 6 82 .4hm2 ,其中核心区面积 5 2 0 0 .8hm2 ,缓冲区面积 5 1 1 3.3hm2 ,试验区面积 6 36 8.3hm2 .保护区内森林面积 96 2 3.4hm2 .行政范围包括孙栅子、胡营子、北辛店、四道穴、下河北和帽山村更多还原

【Abstract】 Labagoumen forest region is the biggest natural forest region in Beijing. The establishment of Nature reserve in the region would effectively protect the primary forest of \%Quercus mongolica, Juglans mandshurica\% and 99 endangered vegetable species. Otherwise, it’s important to protect the water conservation forest of Miyun Reservoir, and forest resources of tourism in Beijing. The total area of the nature reserve is 16?682.4?hm 2, of which the core region, the buffer region and the experimental region area is 5?200.8?hm 2,5?113.3?hm 2 and 6?368.3?hm 2 respectively. The area of forest is 9?623.4hm 2 in the reserve, which includes six villages: Sunzi, Huyinzi, Beixindian, Sidaoxue, Xiahebei and Maoshan.更多还原