摘要
针对护路林调查中存在的树种多样性、林龄不同、分布不均等因素造成的外业工作量过大、调查经费过高等实际存在的问题,引入自助法进行调查,同时借助三株木法和迈速记测法,可大大减少外业调查工作量,节约大量调查经费。
Problems of over work load outside,over high investigation funds were caused by factors of tree species diversity,different ages of trees, uneven distribution in investigation about road protect forest .Bootstrap was led into investigation and sample method and Maisu mensuration were used.So it could reduce work load outside and could save a great quantity of investigation funds.
出处
《防护林科技》
2005年第2期23-23,70,共2页
Protection Forest Science and Technology
