琼岛杨野生资源的调查

Survey on Wild Populus qiongdaoensis T.Hong et P.Luo Resource

琼岛杨(Populus qiongdaoensis T.Hong et P.Luo)为杨柳科,杨属,落叶大乔木。该珍贵树种在海南岛霸王岭高山地区被发现,它的发现打破了杨树在我国南缘分布的纬度界限,是海南林业的一新发现。琼岛杨迁地培育新技术研究课题组,经过深入调查发现,琼岛杨分布于海南岛西部昌江和白沙两县交界处,霸王岭保护区东部子宰林场150林班、东干线13km处、大炎工区178林班的县边山、保护区内169、177、176、165林班。在鹦歌岭自然保护区内、五指山市南阳镇、布伦村委会的山上以及白沙县南开乡高峰村的原始林中,都有琼岛杨树分布。这次深入调查发现,琼岛杨群落分布的面积范围很大,种质资源非常丰富。

Populus qiongdaoensis T.Hong et P.Luo belongs to the genus of populus,family of salicaceae,is a deciduous arbors.It is a precious tree species found on mountainous region in Bawangling,Hainan.The discovery of this tree species modifies the boundary of latitudinal distribution of populus in China.Based on survey by the Immigration and Cultivation of Populus qiongdaoensis T.Hong et P.Luo research team,this tree species is distributed on several areas： the boundary between Changjiang county and Baisha county,compartment 150th of Zizai forestry farm,Dongganxian 13km,compartment 178th of Dayangongqu,compartment 169th,17uth,176th,165th of Bawangling Nature Reserve,Nanyang Town of Wuzishan in Yinggeling Nature Reserve,Bulun Village,and Nakai,Gaofeng in Baisha County.We found that Populus qiongdaoensis T.Hong et P.Luo is abaundant and its distribution covers a large area.