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为了更科学、合理地开发利用中国北方栎属植物资源,对区域内栎属植物资源进行了系统的调查与区划研究,结果如下:栎属植物在我国北方主要分布于北纬53°18’一线以南,东经105°42’~134°46’之间的区域,包括中国北方13个省(直辖市和自治区)的部分或全部地区,其垂直分布上、下限总体上均呈现出从分布区西南向东、向北逐渐下降的格局。本研究将中国北方栎属植物分布区区划为8个资源集中分布区、4个次集中分布区和若干零星分布区,其中集中、次集中分布区林分总面积约为963.93万hm2,林分总体林龄结构以中、幼龄林为主,约占二者资源总面积的75.38%。不同分布区的栎属植物林分面积与林分龄级结构有所差异。研究结果可为中国北方栎属植物资源的经营、利用提供依据。
In order to develop and utilize the Quercus plant resources in northern China more scientifically and reasonably, the Quercus plants in the area were systematically investigated and zoned. The results are as follows: The Quercus plants are mainly distributed in northern China at 53 ° 18 ’ South and longitude 105 ° 42 ’~ 134 ° 46’, including some or all of the 13 provinces (municipalities and autonomous regions) in northern China. The upper and lower vertical distributions of the areas show a trend from southwest to south East, North gradually decline in the pattern. In this study, the distribution of Quercus plants in northern China was divided into eight resource distribution areas, four sub-concentration distribution areas and several sporadic distribution areas, of which the total area of centralized and sub-centralized distribution areas was about 9,639,300 hm2. The overall age structure is mainly medium and young forest, accounting for 75.38% of the total area of both resources. Different distribution areas of Quercus plants stand area and stand age structure are different. The results provide the basis for the management and utilization of Quercus plants in northern China.