通过调查发现,子午岭森林在黄河中、上游有着重要的防护作用,由于长期管护不严,乱砍滥伐严重,目前已成为残败次生林,林相参差不齐,多代同堂混生,生长势衰弱,病虫害猖獗,低产林分较多,疏密度大小不均。针对这种现状,本文论述了今后经营的方向和措施,并提出几项恢复森林的建议,供子午岭林业决策者考参。 According to the survey, the forest in the Ziwu Mountains plays an important protective role in the middle and upper reaches of the Yellow River. Due to the lack of long-term management and protection, the deforestation has become a secondary forest with poor quality. Weak, pests and diseases rampant, low yield more, sparseness of uneven size. In response to this situation, this paper discusses the future direction of business and measures, and put forward several proposals for the restoration of forests for Ziwen decision-making forestry forest reference.