森林更新

种子大小在森林更新过程中的生态学意义

Ecological Significance of Seed Size in the Process of the Forest Regeneration

采伐是影响森林更新的主要人为干扰因素之一。

Felling is one of the key factors which influences forest regeneration .

森林更新是一个重要的生态学过程。

Forest regeneration is an important natural ecological process .

川西高山林区森林更新技术研究

A study on the forest regeneration techniques in West Sichuan Alpine Forest Region

采金矿体迹地森林更新的技术研究

Forest regeneration on gold mining slash

森林更新调查及鉴定标准

Forest regeneration survey and its standard

干扰与森林更新

Disturbance and Forest Regeneration

资产评估决策支持模块实现评估方案选择、推导森林更新数据及读取设定推理规则等工作。

Property assessment decision support modules to achieve assessment of options , updated data derived forest and read the rules set reasoning , and so on .

因此，森林更新是与各种干扰不能分隔的一个极为重要的生态学过程。

So regeneration , as an important ecological process , can not be separated from different kinds of disturbances which include both natural disturbance and human disturbance .

本文根据沙地白扦林的立地条件、气候条件、森林更新特点和生长状况，提出了沙地白扦林扩大营造范围。

The present paper defines the sites for expansion of spruce forest on sand , based on site conditions , climatic conditions , regeneration character - istics and growth conditions of spruce .

综述了竹类种群生理生态学、种群动态、繁殖特性、无性系种群特征等几个方面的研究进展，概括了群落水平上竹类种群对森林更新的影响。

Advances of ecophysiology , population dynamics , reproductive characteristics and clone population traits of bamboo were reviewed , and the effects of dwarf bamboo population on forest regeneration in community levels were discussed in this paper .

为达到上述目标，本文采取理论研究和技术实践相并行的技术路线，较为系统地研究并实现了基于时态GIS的森林资源更新管理的理论、方法和技术。

To reach the aim , the paper adopts the technical route that theoretical methods combining with technical practice , researches and realizes key methods and techniques of updating and managing for forest resources data based on Temporal GIS .

文中还讨论了自然森林的更新动态。

The implications for natural forest regeneration dynamics are discussed .

森林采伐更新作业与林地生产力的维护

Regeneration of forest cutting and maintenance of forest soil production

种子雨是森林群落更新繁殖体的主要来源。

Seed rain is the primary origin of regenerative propagators of forest communities .

我国森林采伐更新的发展与展望

The Development and Future of the Forest Cutting and Regeneration in Our Country

从森林资源更新转向森林环境资源修复的思考

Thinking Upon Changing Direction from Forest Resources Renewal to Forest Environment Resources Repair

现行森林采伐更新规程的几点思考

Several ideas of existing forest cutting and regeneration rules

森林采伐更新效益综合评价的几个基本问题

The fundamental problems on integrated assessment of the benefits of cutting and regeneration of the forests

植物种群的生态位宽度与种群之间的生态位相似性比例及生态位重叠度反映了森林的更新生态特征。

The ecological characteristics of natural forest are affected by niche breadth , niche proportional similarity and niche overlap .

这将导致林窗的环境异质性差异，进而影响到林窗区域种子萌发、幼苗生长、发育，植物种群分布等，最终影响到森林的更新。

These characteristics could result in environment heterogeneous within the gap and have an important effect on seed germination , seedling growth and development , as well as species distribution , which would influence forest regeneration and succession finally .

实现森林资源动态更新管理的时态GIS技术

Temporal GIS for Dynamic Updating and Management of Forest Resources Data

遥感与GIS相结合的森林资源信息更新与制图方法研究

Integration of Remote Sensing and GIS Based on Forest Resource Information Updating and Mapping

基于RS和GIS的森林资源档案更新技术研究及应用

The research on the application of RS and GIS in forest resources archives updating technology

可重构造网孔机器上最小生成森林的边更新算法

Edge Update Algorithms for Minimum Spanning Forest on Reconfigurable Mesh

基于数学形态学的森林资源数据更新技术研究

Study on Updating Techniques of Forest Resources Data Based on Mathematical Morphology

六盘山4种类型森林群落天然更新初探

Regeneration of Four Types Forest Communities in Liupan Mountains

基于版本机制的辽宁省森林资源信息更新系统研究

Studies on Forest Resources Information Updating System in Liaoning Province Based on Version System

影响幼苗成活的原因如温度等可能是限制高海拔森林上限种群更新的主要原因。

Low temperature may be the major limiting factor to population dynamics of this high altitudinal ecotone .

六盘山自然保护区主要森林群落天然更新与生态恢复评价研究

Studies on Regeneration and Assessment of Ecological Restoration of Major Forest Communities in Liupan Mountain Natural Reserve