论文部分内容阅读
一、现状与效益益阳地区第二批农业区划有八个单位,其中属纯湖区的有六个单位,即南县及大通湖、金盆、北洲子、千山红、茶盘洲五大农场(以下简称五大农场)和益阳县、市一部分。通过区划调查,肯定湖区林业生产有了发展,质量有所提高。在林业区划中,据八个单位的统计,林业用地259050亩,占总面积的7.7%。有林地165380亩,占林业用地的63.8%。在有林地中,成片用材林14460亩,防护林折面积130120亩,经济林10740亩,薪炭林6620亩,竹林3440亩。防护林比重占有林地的78.6%。现有林木保存总株数约2985万株,活
I. Status and Benefits The second batch of agricultural divisions in Yiyang has eight units, of which six are Pure Lake District, namely the five farms of Nanxian and Datonghu, Jinpen, Beizhouzi, Qianshanghong and Chapan Chau Hereinafter referred to as the five farms) and Yiyang County, part of the city. Through the zoning survey, it is affirmed that the forestry production in the lake area has developed and the quality has been raised. In the zoning of forestry, according to the statistics of eight units, 259,050 mu of forestry land is occupied, accounting for 7.7% of the total area. There are 165,380 acres of woodland, accounting for 63.8% of forestry land. In the forest, into a piece of timber forest 14,460 acres, 130,120 acres of protective forest area, 10740 acres of economic forest, 6620 acres of firewood, bamboo 3440 acres. The proportion of shelterbelts occupies 78.6% of the total forest land. The existing total number of forest trees about 29850000 strains, live