沙棘是我国北部防风固沙的重要树种,在河北省最北部与内蒙古风沙源区临界处的塞罕坝机械林场中西部沙化地区多有分布。沙棘的生态效益十分显著,号称“保持水土的 Seabuckthorn is an important tree species for windbreak and sand fixation in the northern part of our country. There are many distributions in the desertification areas in central and western part of the Saihanba mechanical forest farm at the critical point between the northernmost part of Hebei Province and the source of sandstones in Inner Mongolia. The ecological benefits of seabuckthorn is very significant, known as ”to maintain soil and water