中国林业科学研究院林业科学研究所于1979年6月在甘肃省天水地区小陇山林业总场召开了北方次生林经营科技协作会议。参加会议的有北方14省(区、市)的科研、教学、生产和林业行政等单位的代表83人,共收到学术报告及科技资料共44篇。会上总结和交流了多年来次生林经营和科研工作的经验,本着百家争鸣的精神对不同意见展开了热烈讨论。这次会议决定恢复北方14省(区、市)次生林科研协作组,并制定了今后次生林经营工作如何实现现代化的科研协作计划。大家一致认为:今后次生林科研工作应大力开展基础理论的研究:研究工作应尽快使用现代化手段:应积极建立次生林科研基地;加强国内外情报资料交流和组织多学科共同攻关,以便把次生林经营工作尽快地提高到一个新 Chinese Academy of Forestry Institute of Forestry Sciences in June 1979 in Tianshui Prefecture of Gansu Xiaolongshan Forestry General Field held a meeting of scientific and technological cooperation in northern secondary forest management. There were 83 representatives from scientific research, teaching, production and forestry administration units of 14 provinces (autonomous regions and municipalities) in the north of the country attended the conference and received 44 academic reports and scientific and technological materials. The meeting summed up and exchanged experiences of secondary forest management and scientific research over the years and heatedly discussed different opinions in the spirit of hundred schools of thought. The conference decided to resume the cooperation research team of secondary forests in 14 provinces (autonomous regions and municipalities) in the north and set forth a plan for the modernization of scientific research in future secondary forest management. All agreed that in the future secondary forest research work should be vigorously carried out on the basis of theoretical research: research work should be as soon as possible the use of modern means: should actively establish secondary forest research base; strengthen intelligence exchange at home and abroad and organize multidisciplinary joint research in order to second-hand forest management work as soon as possible Improve to a new