对福建中部山地不同密度湿地松林分的研究表明， 湿地松速生期早， 是培育短周期纸浆林的优良树种， 也是采脂的良好树种。湿地松纸浆林树冠重叠系数为１０７１ ５ 时， 可实现短周期内较高的蓄积量， 同时单株充分生长， 以利采脂。建立了湿地松生长模型， 导出了不同林龄湿地松纸浆采脂两用林的经营密度上限。根据湿地松短周期的培育目标， 确定出湿地松纸浆采脂两用林的４ 种培育模式， 可实现林分总蓄积分别为２１０６１ ｍ ３·ｈ ｍ － ２ ， ２３５１０ ｍ ３·ｈｍ － ２ ， ２４２６８ ｍ ３·ｈ ｍ － ２ 和２７３２４ ｍ ３·ｈ ｍ － ２ ， 并可采脂１０ ａ 。表５ 参５ Studies on different density Pinus elliottii forests in central mountainous area of ​​Fujian Province showed that Pinus elliottii was quick to grow early and was an excellent tree species for cultivating short-period pulpwood and a good tree species for picking fat. When the overlap coefficient of canopy crown of Pinus elliottii was 1071 5, the higher accumulation volume in short period could be achieved, and the growth of individual plant was enough to facilitate the harvesting. The growth model of Pinus elliottii was established and the upper limit of operating density of Pinus elliottii and Pinus elliottii pulp was derived. According to the cultivation objectives of short period of Slash Pine, four cultivation modes of the double - benefit forest for the pine needles were determined, and the total volume of the stands was 21061 m 3 · hm -2 and 23510 m 3 · hm - 2, 24268 m 3 · h m - 2 and 273  24 m 3 · h m - 2, respectively. Table 5 reference 5