1) reserve tax's ource
涵养税源
2) water conservation
涵养水源
1.
A study on water conservation function of mixed forests of Schima superba plantation;
木荷人工混交林涵养水源的功能
2.
This paper analyzes the hydrologic informations of some rive r basins in forest cover in loess hill region of Gansu Province, showing the fo rest cover in the region contributes to increase precipitation, regulates obviou sly storm-flood and annual runoff, and improves efficiently microclimate, soil and water conservation.
同时 ,对改善区域小气候、保持水土、涵养水源效果显著。
3.
Water conservation functions of the four hydrology arrangements,including forest canopy layer,shrub-grass layer under canopy,litter in forest land and soil layer of the forest,in Dayao Mountain Nature Reserve in Guangxi were investigated.
对广西大瑶山自然保护区森林冠层、林下灌草层、林地枯枝落叶层及林地土壤层4个水文层次的涵养水源功能进行了效益计量调查研究,结果表明,该区森林植被总贮蓄水量为27508×104m3,年平均直接或间接的生态经济效益价值为3。
3) water resources conservation
水源涵养
1.
By using hiberarchy analysis and comprehensive index method, the ecosystem service importance and its regional diversities in Liaoning Province were quantitatively assessed, based on the comprehensive analysis of biodiversity protection, water resources conservation, soil conservation, desertification control, and nutrients conservation.
采用层次分析法和综合指标法对辽宁省生态系统服务重要性进行了定量评价,分析了辽宁省生态系统生物多样性保护、水源涵养、土壤保持、沙漠化控制和营养物质保持重要性及其空间分布特征,在此基础上进行了辽宁省生态系统服务重要性及其区域分异规律的综合评价。
2.
In this paper the functions of water resources conservation were studied on three kinds of artificially recovering plantations of soil and water conservation, grass planting, arbor mixed with shrub, mixed arbors(called patternⅠ,Ⅱand Ⅲ for short respectively) and control(not improving), in seriously eroded areas of subtropical granite red soil.
该文对严重侵蚀红壤 3种人工治理措施种草促林、乔灌混交、乔木混交 (分别简称为模式Ⅰ ,Ⅱ和Ⅲ )恢复的水土保持林及对照 (未治理 )的水源涵养功能进行了研究 。
4) Water resource conservation
水源涵养
1.
The water resources and the capacity of water resource conservation in upper reaches of Dahuofang reservoir were analyzed.
对大伙房水库上游流域水资源量和水源涵养能力进行分析,结果表明:多年平均水资源总量为14。
2.
The investigation on ecological environment,water resource conservation and economic status in 3 counties of Dahuofang reservoir upstream was carried out,the cost for protecting the reservoir water quality amounted to 820.
对大伙房水库上游3县生态环境、水源涵养、经济现状进行了调查分析,3个县为保护水库水质每年直接经济投入达82052万元。
5) Water conservation
水源涵养
1.
Forest water conservation and its benefits in upper reaches of Minjiang River in recent 30 years;
岷江上游地区近30年森林生态系统水源涵养量与价值变化
2.
Relationship between ecological forest species in Minjiang watershed and their water conservation;
闽江生态公益林类型与森林水源涵养关系
3.
Optimal disposition of water conservation forests in watershed;
小流域水源涵养林优化配置
6) water conservation function
水源涵养
1.
Study on water conservation function of protective forest in watershed of farming-pastoral zone
农牧交错带小流域防护林水源涵养功能研究
2.
Comprehensive evaluation on water conservation function of the different forest and grass vegetation types in Dawujia watershed of farming-pastoral zone
东北农牧交错带小流域不同林草植被类型水源涵养功能综合评价
3.
Investigation on soil physical properties,water-holding capacity of forest floor and soil for the different age-stages of a subtropical evergreen broad-leaved forest was conducted in Xiaokeng,Southern Anhui Province,and the results showed that there existed significant differences in soil properties and water conservation function among different stages of the forest.
结果表明,不同林分的土壤物理性质及其水源涵养功能差异明显。
补充资料：税源
税收收入的来源。从具体纳税人来看，税源可以有不同的形式,如企业收益、个人所得、个人消费支出,等等；而从税收收入的总体来看，只能是一定时期国民收入中的剩余产品m那部分价值。因为国民收入中的v是体现维持劳动力再生产所需的必要劳动的价值，不能构成税收的源泉，否则就会破坏社会再生产；只有剩余产品价值部分才可以作为税收收入的源泉。但是也有一些学者认为，税源是一定时期国民经济各部门所创造的价值，即国民收入v+m。生产决定分配，生产发展了,税收才会源远流长。因此，一个国家在制定税收制度和税收政策时都比较重视培养税源，使税收有利于生产的发展，不可以侵蚀产生税源的税本。
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