论文部分内容阅读
通过对新安江开发总公司浪苑口林场马尾松纯林山脊线上营造的苦槠防火林带第13年测定表明,平均高4.96m,平均胸径7.3cm;林内枯落物4.371t/hm2,是对照马尾松林内枯落物的48.94%;枯落物平均含水率12.88%,比对照高2.2个百分点;苦槠防火林带内土壤5、15、20cm深处的含水率分别为50.88%、34.12%、24.14%,分别比对照高4.38、3.04、2.42个百分点,具有明显的防火效果和涵养水源、保持水土作用。
Through the Xin’anjiang Development Corporation Langyuankou forest farm pure Pinus massoniana ridge line to create the bitter firewood forest measured 13 years, the average high 4.96m, the average diameter of 7.3cm; forest litter 4.371t / hm2, is The average water content of litter was 12.88%, which was 2.2% higher than that of the control. The water content in the depths of 5, 15 and 20 cm in the bitter firewood forest belts were 50.88% and 34.12% , 24.14%, respectively higher than the control 4.38,3.04,2.42 percentage points, with significant fire prevention and conservation of water sources, to maintain soil and water.