2) soil and water conservation forest
水土保持林
1.
Effect of spatial distribution of soil and water conservation forest on the runoff of single-rainfall events in a small watershed on the Loess Plateau
黄土高原小流域水土保持林空间配置对场降雨径流影响的模拟
2.
Rainfall can be intercepted and assimilated by soil and water conservation forest.
水土保持林对天然降雨起着截流、吸收的作用。
3.
Observation and analysis of the regional ecological benefit of soil and water conservation forest system showed that the forest system had functions-regulating air temperature ,reducing moisture vaporization,conserving soil humidity and blocking 22% of rainwater.
通过对水土保持林体系区域性生态效益进行观测和分析 ,结果表明 :水土保持林具有较强的气温调节作用和减少水分蒸发作用 ;水土保持林内在生长季节各月平均湿度大于林外 ,并具有很强的截留降雨作用 ,平均截持率达 2 2 % ;并且改善了土壤结构和理化性质 ,减少了地表径流和土壤流
3) water and soil conservation forests
水土保持林
1.
The objective of this paper is to select the optical mixed water and soil conservation forests,which can service for environment construction in western Liaoning Province.
以辽西半干旱地区不同类型的油松混交林为研究对象,采用比较分析的方法,综合分析了6种类型林分在层次结构、径阶分布、植物多样性3个方面的特征,旨在选择出适合本地区的最优油松阔叶水土保持林。
2.
On the basis of the quantitative analysis about the soil loss amount and area values pixel by pixel,the plans for water and soil conservation forests was set up to meet the demands of the regional forestry engineering construction.
在摸清植被分布、水土流失现状及土地利用状况本底的基础上制定了界河防护林、水库水源涵养林、坡地水土保持林等林业生态工程规划,不仅作到了有据可依,更使该定量指标成为检验生态工程实施成效的一个有效指标,为指导黑龙江省重大科技攻关项目“公别拉河流域林业生态工程构建”提供了技术支持与指导。
4) Water and Soil Conservation Forest
水土保持林
1.
Benefit evaluation on soil improvement by the water and soil conservation forest;
水土保持林土壤改良效益评价研究
2.
Evaluation index system on soil improvement benefit of water and soil conservation forests.;
水土保持林土壤改良效益评价指标体系的研究
6) soil and water conservation forest construction project
水土保持林建设
补充资料：人工
①人为；人做的。与“自然”、“天然”相对：人工降雨｜人工取火｜根须茁壮，枝叶繁茂，岂是人工做得出来的。②人力；用人力做的工。与“机械力”相对：人工开成的渠｜拖拉机来不及运，还得用人工挑。③劳工；佣工：派人工进山砍伐｜贫居乏人工，灌木荒余宅。④量词。一个人工作一天的量：做一张书桌要用三个人工｜算一下打口井要多少人工。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条