查询词典 water conservation

Article X of the soil and water conservation fund-raising should be self uphold the people-oriented, supplemented by state aid.

第十条 水土保持资金的筹集应坚持群众自筹为主，国家补助为辅的原则。

Based on the importance value, the Shannon-Wienner and Simpson index of niche breadth, the Schoener's niche proportional simulation and the Levins' niche overlap of the main trees in Qiandaohu water conservation forests were calculated in the paper.

以群落样地作为资源状态，以树种的重要值作为树种对资源位计测依据，用Shannon-Wienner、Levins和Schoener的生态位计测公式，分析了千岛湖水源涵养林26个主要树种的生态位宽度、生态位相似性比例和生态重迭指数。

The wild grass, bush community, artificial mixed forest were regarded and natural secondary forest were regarded as the research subject of different stages in the process of ecological construction aimed at soil and water conservation around Napahai Lake in the northwest of Yunnan Province. The change of those community structures was studied by using spatiotemporal substitution method.

在滇西北高原香格里拉县纳帕海周边区域，以荒草丛、自然恢复灌丛、自然恢复高山松次生林以及人工混交林等四种生态系统类型为研究对象，采用时空互代法，视它们为水土保持生态修复过程中不同阶段，研究不同生态系统的群落结构变化规律。

Aturate interception of vegetation in woodland (forest canopy, understory and litter), annual stem flow, Maximum capillary moisture capacity in woodland, saturate infiltration rate of woodland soil, runoff modules of woodland, rainfall erosive force indices, annual river runoff volume and sediment delivery as well as their seasonal distribution, the maximum peak flood frequency curve

oil and water conservation forest 林地植被饱和截留量(林冠层+林地活地被物层+林地枯落层)，树干年径流量，林地土壤最大毛管持水量，林地土壤饱和入渗率，林地径流模数，降雨侵蚀力指标，林地土壤侵蚀模数，河道年径流量和输沙量及其季节分配，河道最大洪峰流量频率曲线

Soil and water conservation compensation ; property right ; externality effect ; public goods ; ecosystem ethics

水土保持补偿；产权；外部效应；公共产品；生态伦理

A county-wide dynamic optimization model is used to evaluate the potential contributions associated with the adoption of sophisticated irrigation system technology and anticipated biotechnological advances in crop production on ground water conservation.

描述：采用一个全国性的动态优化模型来估计复杂灌溉系统技术带来的潜在作用，并预测生物技术在农作物生产中利用地下水方面的好处。

Increases in water conservation are not distinct in soil and litter while distinct in the crown canopy.

珠防林幼林的综合持水能力因恢复措施以及林分类型不同而存在差异。

This paper evaluates the water conservation effects of the young forests of the Shelter Belt Program of the Zhujiang Valley from three hydrologic levels of crown canopy, litter layer and soil layer, based on field investigations and measurements.

本文在对珠防工程监测样地调查、测定的基础上，从林冠层、枯落物层和土壤层3个水文层次对珠防二期工程幼林的综合持水能力进行了评价。3 a-4 a生珠防林幼林的综合持水量在2 355.25-2 457.08 t/hm^2之间，比荒山高

The results showed that Tall fescue Traple is the best,Tall fescues Melike is the second,Red clove Redquin is the third,Award of Kentucky bluegrass the worst and the others in the middle in introduced 9 species,according to soil and water conservation and forage grass.

结果表明，在参试的9个品种中，以翠碧高羊茅的综合性状最佳，第二为迈洛克高羊茅，第三为雷得昆红三叶，草地早熟禾的优异和新哥来德最差，其它品种居中。

The summer camp I am very happy, there are a lot of harvest, I work on the importance of soil and water conservation with the further understanding.

这次夏令营活动让我感到很快乐，也有很大的收获，我对水土保持工作的重要意义有了更进一步的理解。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。