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句容南部为丘陵山区,包括五个乡(袁巷、磨盘、天王、茅山、茅西)及五个国营场圃(磨盘山、东进林场、茅山、方山茶场及浮山果园),现有林业用地10,607亩,地处北亚热带季风型气候区,自然条件优越,森林资源比较丰富,为句容县主要用材林及经济林基地.但自1975年林调以来,森林资源及林业生产变化如何,研究较少,笔者通过1983年的复查,将两次林调材料作如下比较分析.一、成绩(一)森林资源有所增长 全区现有成片林84,642亩,加上四旁树占地面积17,266亩,森林覆盖率为23.74%.活立木总蓄积164,227立方米(其中四旁树蓄积33,744立方米),按农业人口人平1.73立方米.与1975年相比(不包括茅山乡,因缺少“四五”调查材料),成片林有林地增加14,563亩,
Jurong south of the hilly region, including the five townships (Yuan Lane, Mopan, Uranus, Maoshan, Mao Xi) and five state-run farm (Mopan, Dongjinlinchang, Maoshan, Fangshanchachang and Fushan Orchard) 10,607 acres of forestry land, is located in the north subtropical monsoon climate zone, excellent natural conditions, rich forest resources for the Jurong County main timber and economic forest base.But since 1975 the tone, forest resources and forestry production changes, the study Few, the author passed the review in 1983, the two forest transfer material for the following comparative analysis.First, the results (a) increased forest resources Into the area of the existing piece of forest 84,642 acres, together with the four sides of the tree covers an area of 17,266 Mu, with a forest coverage rate of 23.74% .The total volume of live standing timber is 164,227 cubic meters (including 33,744 cubic meters of four-sided tree) and 1.73 cubic meters per capita by agricultural population (excluding Maoshan Township due to lack of “four Five ”survey materials), into a piece of forest to increase 14,563 acres of woodland,