兰州古梨树群调研与保护初探

兰州古梨园主要分布在黄河兰州段的一些河谷盆地，如兰州、什川、青城等，由黄河串联，形成著名兰州梨的主要产地。古梨园的价值不仅在于它是优异的果树种质资源，更在于它是珍贵的古梨树群，是难得的自然和历史文化遗产，有着极高的生态、人文和旅游价值。初步调查表明，兰州古梨园目前还遗存约183 hm2，2 570株，生长状况良好，但面临利用不当、被挤占砍伐、保护困难等问题。提出了进一步明确发展方向、制定发展规划、加强养护复壮、提升保护性开发建设水平等对策建议。

A preliminary study on protection of Lanzhou remaining pear orchard

The remaining pear orchards are mainly found in some valleys along the Yellow River in Lanzhou,such as Anning,Shichuan,Qingcheng vallys and so on,where provide the main habitat of the famous Lanzhou pear.Besides of ecological and traveling values,the important of the orchards also shows their great values in providing of germplasm resources,nature-history cultural heritage in the city.It is found that there is only 2 570 pear trees remained cover with 183 hm2 in Lanzhou.Some survival issues of those trees are discussed,therefore,suggestions for improving protection and development of the remaining pear orchards are proposed in the paper.