Natural Beech Conservation Project lived in isolated Forest Communities by Genetic judgment based on an Evaluation of Breeding Capacity

1）利用5个微卫星标记对毛毛豆自然群体中花粉介导的基因流进行了分析。我们发现了有限的花粉介导的基因流从外面的立场，92%的桅杆，产生的幼苗之间的树木种群。花粉在林分内的平均散布距离为37.3m，小于母树和候选父本树之间的平均物理距离。个体潜在父亲的交配成功率与其胸径（DBH）和距母树的距离的相关性比与双亲之间的遗传相关性（R）更强。2）我们找到了如何结合使用陆地卫星和IKONOS卫星数据来寻找与日本西南部主要山毛榉天然森林群落隔离的山毛榉群落的技术。我们在阔叶林中找到天然山毛榉林，达到约90%的选择率。3)建立天然山毛榉林恢复体系山毛榉幼树在寒温带林区林下地面对的竞争很大，但我们把山毛榉幼树的类型界定在一个竹类群落内。但目前尚不能建立一个合理的模型来分配和评价混交林的林木生长速率。

1)Pollen-mediated gene flow was analyzed in a small, fragmented natural population of Fagus crenata by surveying five microsatellite markers in seedlings derived from open pollinated crosses. We found evidence of limited pollen-mediated gene flow from outside the stand, 92 % of the mastings that generated the seedlings were between trees within the population. The mean pollen dispersal distance within the stand was 37.3 m ; shorter than the mean physical distance between the mother trees and candidate paternal trees. The siring success of the individual potential fathers was more strongly correlated with their stem diameter at breast height (DBH) and their distance from the mother trees than to the genetic relatedness (R) between the parents. 2)We found the technics how we use the combinations of Landsat and IKONOS satellite data to find the beech communities isolated from the major beech natural forest communities on the southern-western Japan. We hit the ca 90% selecting ration to find out natural beech forest within a broad leaves forests. 3) Developing the recovering system of natural beech forest beech sapling has great competitions with Sasa bamboos at the forest floor at cool temperate forest zone, but we defined the type of beech saplings within a bamboo communities. However we can not develop the model which can be explained to assign and evaluate the tree growth rates in sasa and beech mixed forest floor.