The main drives of succession include canopy density of rubber forest, management, climate, soil condition and the biological properties of vegetation.
演替驱动力主要有：胶林郁闭度、胶林抚育管理措施、气候和土壤条件以及胶林植被本身的生物学特性。
We deeply discuss the techniques on geometric modeling. Under the condition of simulating virtual forest landscape, the primary landscapes are terrain and the tree.
对虚拟森林环境的建模技术进行深入探讨，主要内容包括虚拟地形的构建和林木的几何重建技术。
The damage of Chinese forest fire, the characteristics due to the restricts of natural environment and the influence from the social condition on forest fire are emphatically discussed.
着重说明了中国森林火灾带来的危害和损失，受自然条件的制约和社会环境影响所产生的特点。
Taking Wenzhou Chashan Forest Park as an example, we solved technical problem on woodland evaluation which is caused by the obvious differences of site condition.
通过影子地块在茶山森林公园经济林林地评估中应用的实例分析，解决了土地立地条件差异明显、均质性差而带来的评估技术上的难题。
There are expansive coastland and complicated nature and social condition, so the task of constructing coastal defense forest is formidable.
山东省沿海地域辽阔，自然及社会条件复杂多样，沿海防护林建设任务艰巨。
Good forest resource capital condition reflects the developing level of a country's forest industry, the prosperity of the country, the nation's prospect, and the civilization of the society.
良好的森林资源资产状况是林业发达、国家富足、民族繁荣、社会文明的标志之一。
Through introducing the geographical condition and biological resources, the biological resource situation of Hailuogou Glacier and Forest National Park was described in detail.
通过对公园区自然地理概况的介绍及生物资源组成的记述，较为详尽地论述了四川省海螺沟冰川森林公园区的生物资源状况。
On the other hand, vegetation has been destroyed because of the destructive lumbering of forest. And that leads to the unbalanced condition that Carbon dioxide can be transformed into organic.
而另一方面，由于对森林乱砍乱伐，破坏了植被，减少了将二氧化碳转化为有机物的条件。
Combining economics and Chinese national status and forest condition, this paper is to set up the appraisement model of forest resources allocation disequilibrium.
将西方经济学原理与中国国情、林情结合，建立了森林资源分布非均衡性评价的一般模型。
According to analysis of the reason, condition and character of forest disease and insect pest in Pingxiang City, the author put forward effective prevention and control countermeasures.
针对萍乡森林病虫害发生情况、特点及成因分析，提出有效控制防治对策。
With the variation of forest healthy condition, medium reached subhealthy condition, and SOC content and soil respiration decreased.
之后林分健康状况变差，中龄林时达到亚健康状态，二者均降低；
The present situation of field forest network, analysis on its function, site condition for afforestation and the preferential tree species in Yongkang city were analysed and discussed.
就永康市农田林网现状、功能分析、造林地立地条件及适宜树种进行了分析探索。
Organizing and carrying out arresting under the condition of mountain forest landform possesses its unique characteristics and requirement.
在山林地形条件下组织和实施缉捕行动，有其独特的特点和要求。
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下，天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
The author analyses how devaluation improves the balance of international payments of forest industrial product through Marshall-Lerner Condition and J-Curve Effect.
本文通过马歇尔——勒拿条件和J曲线效应分析了贬值对森工产品国际收支的影响。
Based on the theory of ecosystem health, healthy condition of urban forest ecosystem in Yan 'an was analyzed and assessed by setting diagnostic indicator system.
运用生态系统健康理论建立了城市森林健康评价指标体系，对延安市不同类型城市森林进行了分析评价。
Physical process of the effect of Locust artificial forest on the rainfall and the rules of water and soil losses under storm condition were analysed quantitatively and qualitatively.
本文定量及定性地分析了刺槐人工林影响降雨的物理过程以及暴雨条件下的水土流失规律。
The concept of forest health condition, monitoring system and related strategies developed in Germany and European countries is introduced.
给出新型森林受害的概念，德国及欧洲森林健康监测的技术体系、主要内容及针对森林健康问题的各项应对措施。
The time of turning yellow related to heat condition both the Cold temperate perhumid cold conifer forest and the Frigid perhumid rain tundra alpine meadow.
而在寒冷潮湿多雨冻原、高山草甸类草场，热量条件是影响牧草返青期的主要因子。
The author argues that establishment of villagers' self - help organizations is a complex social engineering, and is a necessary condition for effective community forest management.
村民自助组织是开展集体行动、管理森林资源的一项必要的社会工程。作者认为建立村民自助组织是一项复杂的社会工程。
There are four main reasons of forest worker's impoverished condition based on the investigation and study.
据调查研究，我省林农贫困的主要原因有四个。
There are four main reasons of forest worker's impoverished condition based on the investigation and study.
据调查研究，我省林农贫困的主要原因有四个。
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