查询词典 sapling forest

On the basis of it, eight suggestions are put forward to evaluate the forestry ecological benefits:(1) it is an inevitable trend to carry out the comprehensive evaluation of the multifold forest ecological benefits;(2) upbuilding the theoretical frame of ecological benefits according to the situation of our country;(3) conducting the subarea case research based on the way of creativity accountment;(4) to set up the locating monitoring system of subarea forestry ecology profits to provide the reliable reference for the research;(5) studying the measuring estimate index more comprehensively to make it more self_contained and self_governed;(6) establishing the standards of the forest ecological benefit evaluation so that the evaluation could provide rational evidence for the establishment of the forestry compensation law and so on;(7) upbuilding economic accountment system of forest ecological benefits;(8) establishing economic compensation system of forest ecological benefits.

并且在此基础上提出了对今后森林生态效益评价研究的八点建议：(1)进行森林多种生态效益的综合评价是今后发展的必然趋势；(2)从国情出发建立我国森林生态效益评价理论框架；(3)在创新核算方法的基础上开展分区案例研究；(4)建立区域性森林生态效益定位监测系统，为研究提供真实可靠的数据资料；(5)更全面地研究生态效益计量评价指标，使之既具完备性又具独立性；(6)建立森林生态效益评价标准，使评价结果能为林业补偿等法律政策制定提供科学的依据；(7)建立森林生态效益经济核算制度；(8)建立森林生态效益的经济补偿制度。

The total carbon storage of litters under main forest types of the TGRA was 1150.31×10~4 t. The biomass of litter under cunnighamia lanceolata forest was the most of 11 forest types, and that of forest of Citrus reticulate, Citrus aurantium and Citrus grandis was the least.

3三峡库区主要森林植被类型下凋落物总有机碳贮量为1150.31×10~4t.11种主要森林植被类型中，以杉木林和温性松林下凋落物生物量最大，柑桔林凋落物生物量最小。

The diameter-class distribution of trees in mixed Alnus cremastogyne-Cupressus funebris forest,pure Cupressus funebris forest,mixed Pinus massoniana-Quercus forest,mixed Pinus massoniana-Cupressus funebris forest and m...

异常木直径主要分布在1cm~10cm范围内，其中倾斜木和倒伏木超过了异常木总数的50%，枯立木和濒死木中，马尾松林和松柏栎混交林较其它防护林类型少。

Direction as theory of modren foresty and biotechnology, Based on the Breeding of superior clones, culture medium prescription of tissue culture and photoautotrophic micropropagation for the main species of industrial raw material forest and flower of Fujian were selected, and the sivilcuture model for the main species of industrial raw material forest were comfirmed, and the assistant Forest Management System for the main species of industrial raw material forest and flower of Fujian were established.

以现代林业理论及生物技术为理论指导，在优良无性系选育的基础上，筛选出相思树种等我省工业原料林主要树种及花卉优良品种组织培养、光自养植物微繁技术的培养基配方及轻质专用容器苗基质；确定了环境友好型的工业原料林主要树种栽培模式，建立了相思树种等我省工业原料林辅助经营管理系统。

In the way to deal with the sustainable development of forestry resources and forest product industry in national forestry area, at first it analyses the current situation of forestry resources and forest products industry of forest area, then finds out problems and finally proposes the specific measure of how to settle problem, the paper has some pragmatic value, clear aim and operational value. It lays a foundation for the sustainable development in forest area.Postgraduate: Huari GaoMajor:Agricultural management in economySupervisor: Prof. Zhilin Suo

在国有林区森林资源和林产工业可持续发展对策中，首先分析了林区森林资源和林产工业现状，寻找出存在的问题，最后提出解决问题的具体措施，具有一定的实用性、针对性和可操作性，为国有林区可持续发展奠定了基础。

The total savings to the county forest up to 20 billion cubic meters, the country's largest contiguous area of more than 11 million mu of natural secondary forest hystrix forest areas are classified as state protection, 20 million mu of bamboo forest and rich resources Mans series.

全县森林总积蓄量达20亿立方米，全国连片面积最大的11多万亩天然次生红椎林被列为国家重点保护林区，有20多万亩竹林和丰富的芒编资源。

The Study on the Productivity of phyllostachys heterocycal forest mixed with broadieaved trees in East Fujian showed that the mixed forest had higher productivity compared with pure forest, the mean DHB beight and mean weight and M of culm increased by 17.9%、8.7%、37.53% and 25.6% respectively, the density, evenness, uniform and ILA were all higher than pure forest

对闽东12年生竹阔混交林中毛竹生产力的研究结果表明：竹阔混交林比纯林具有较高的生产力，毛竹的平均胸径、平均竹高、平均竹秆产量、平均蓄积量分别比毛竹纯林增加了17.9%、8.7%、37.53%和25.6%；立竹度、均匀度、整齐度、叶面积指数均比毛竹纯林高。

Using Close-Top incubation method,we measured the N mineralization rate in soils (0～15 cm) of monsoon evergreen broadleaf forest,seasonal rain forest,rubber plantation,heavily disturbed seasonal rain forest,Millettia laptobotrya secondary forest and upland rice field.

在云南省中国科学院西双版纳热带生态站周围，用顶盖埋管法，对季风常绿阔叶林、季节雨林、橡胶林、受过严重干扰的季节雨林、鸡血藤次生林和旱谷地的氮矿化速率进行研究。

Based on the assessment of urban forest, shelter forest of farmland, Masson pine forest, Bamboo forest of Phyllostachys praecox f.

对于恢复过程中的森林，研究认为其健康评价更适合采取健康趋势的概念。

In the forest using, it contains forest land 180924 Mu, open forest land 6485 Mu, shrubland 3931 Mu, un-mature forest land 20322 Mu, nursery land 715 Mu, non-stocked land23052 Mu.

在林业用地中，有林地面积12061.6 hm~2；疏林地面积432.3 hm~2；灌木林地面积262 hm~2；未成林地面积1354.8 hm~2；苗圃地面积47.7 hm~2；无林地面积1536.8 hm~2。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。