查询词典 sapling forest

Of amount for geologic hazard happen in coniferous forest and non-timber product forest.95.7% at the place about physiographic form grade gradient greater than 20 degree.

地质灾害发生数的74.9%均在针叶林及经济林中，95.7%发生在坡度〉20 的陡坡处。

I plant the production of pine tar is based on natural forest resources in this region, rich in virgin forest in the end you loose after felling The remaining, dried root can be scientifically pine tar refining into products, over the years in accordance with the relevant user enthusiastic support, valuable improvements, and we practice in the production of machinery and equipment innovations gradually reform and boiler.

我厂生产松焦油是根据本地区自然森林资源，在原始森林中丰富的吗尾松砍伐后剩下的干枝，干根均可科学地提炼成松焦油产品，多年来根据有关用户热心支持下，提出宝贵改进意见，我们在生产实践中渐次革新机械设备和锅炉改革。

Pinewood nematode Bursaphelenchus xylophilus Nickle, which is one of alien invasive species in China, caused pine wilt disease having threatened pine forest and caused serious great impact on forest including economic, environmental and social affects in China.

松材线虫Bursaphelenchus xylophilusNickle是中国重要的外来入侵种，由它引起的松材线虫病对中国森林构成严重威胁，它对林业将产生重要的影响，包括经济、环境/生态和社会的影响。

Most regions with vast forest area are in developing countries. In many of these countries exists prevalently the problem of unclear land-use rights already, let alone the illegal occupation of forest and mineral resources.

大多数森林面积广阔的地区都处于发展中国家，这些国家自身就存在很多土地使用权不清的问题，更别说对森林、矿产这些资源地的霸占了。

The established models in which annual precipitation was incorporated as the principal variable indicate a very closely correlation between forest productivity and its corresponding climatic factors,allowing to simulate distribution pattern of actual forest productivity effectiv...

结果表明：在所构建的模型中，除海拔高度与净生产力的相关模型外，其它模型均有较高的实用价值，模型的拟合曲线变化，基本反映了中国森林现实生产力的地理分布格局；中国森林生产力的分布格局主要取决于气候环境中的水热条件，水分条件是决定中国大部分地区森林生产力水平和地理分布格局的主导因素；根据7个GCMs大气环流模型预测合成的2030年的气候情景，研究气候变化对中国森林生产力影响的结果是：气候变化并没有改变中国森林第一性生产力的地理分布格局，即从东南向西北森林生产力递减趋势不变，但不同地域的森林生产力有不同程度的增加。

In this review, historical background of sampling theory and development of forest inventories are presented. Application and research status of sampling methodology and technology in forest inventory in China and abroad are analyzed and reviewed, which includes sampling with probability proportional to frequency or to size, sampling based on remote sensing and sampling for rare population. Finally, both development trends and some problems of sampling methodology are discussed.

本文介绍了抽样理论的发展和国内外森林抽样调查发展过程，论述了森林调查中主要抽样方法的特点和研究现状，其中包括等概和不等概抽样、基于遥感的抽样、针对稀疏总体分布的抽样调查技术方法，并对这些抽样技术在国内外森林资源调查中的应用进行了综述，概括了抽样调查技术方法的发展趋势，最后总结了抽样技术方法还存在的一些问题。

Protectorate each kind of forest is the Gansu Corridor Beishan Mountains complete forest ecosystem.

保护区各类森林是河西走廊北山较完整的森林生态系统。

He says research suggests that 40 to 90 percent of rain forest species can survive in new forest.

他说，研究显示，4到9成雨林物种可在新林地上存活。

Red squirrel is important economic animals of the northeast forest zone in China,hasimportant role for maintaining the biodiversity and the stability of this area forest ecosystem.

松鼠是我国东北林区重要的经济野生动物，对维持该地区森林生态系统的稳定性和生物多样性具有重要的作用。

The lake front waterfowl park is the observation wild bird's Holy Land, is also a good swampy ground, suits place which all birds perch, many birds were likely the great egret, the small egret,and the redshank live in this beautiful Holy Land, in the campus the original mangrove forest habitat ecological environment, the salt water brook left bank downstream afterward planned the bike path, and established has footpath's lawn and enjoys bird's platform, facilitated everybody watching mangrove forest wild bird habitat, provided the populace the multiplication the convenience and the amusement and rest use.

湖滨水鸟公园是个观察野鸟的圣地，也是个良好的沼泽地，适合所有鸟类栖息的地方，很多鸟类像是大白鹭、小白鹭、赤足鹬都住在这美丽的圣地，园区内原有红树林栖息地的生态环境，盐水溪左岸下游后来规划成自行车道，并且设置有步道的草坪及赏鸟的平台，方便大家观赏红树林野鸟栖息地，提供民众多元化的方便及游憩使用。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。