What has encouraged forest growth historically?
从历史来看，是什么促进了森林数量的增长？
Which countries have the fastest forest growth?
哪些国家的森林面积增长最快？
The forest growth was affected by groundwater level and soil moisture.
分的生长状况主要受地下水位和土壤含水量的影响。
It is worth while to apply the gray system model to predict the forest growth in practice.
在林业生产实践中，用灰色系统模型预测人工林材积生长率有其适用价值。
The rehabilitating role of tree planting is by no means confined to areas which formerly bore forest growth.
植树造林的恢复作用决不限于从前的林区。
The problems existed and developing trends for the future in studies of the effects on forest growth were presented.
指出了抚育间伐对森林生长影响研究方面存在的问题及今后的发展趋势。
It's found that the major factors affecting the forest growth are temperature, stand age, precipitation and soil depth.
发现影响林分生长的主要因子是温度、降水量和土壤厚度。
Research result can provide detailed and credible data source so that it can implement the dynamic variation in the virtual forest growth.
其研究结果能够为树木、森林的动态过程模拟建模提供足够详细、可靠的数据源，从而实现整个虚拟森林生长的动态变化。
Studies of those aspects all over the world were summarized and the model studies actuality of effects on forest growth by thinning were introduced briefly.
对国内外学者在这些方面的研究进行了综述，简单介绍了抚育间伐对森林生长影响的模型研究进展情况。
In asset evaluation on young forest growth, however, this method is limited in some aspects, which affects the accuracy in evaluating the assets of young forest growth.
但是在幼龄林资产评估中该方法还存在诸多局限性，影响了幼龄林资产评估的准确性。
On the basis of study of related theories and algorithms, an oriented forest management virtual forest prototype-virtual forest growth and management modeling system is developed.
在相关理论算法研究的基础上，设计了一个面向森林经营管理的虚拟森林原型系统—虚拟森林生长和经营模拟系统。
Forest growth in relation to variation of soil properties variety in Chinese fir forest soils derived from granite with different preceding vegetation in Lishui region of Zhejiang Province.
重点论述浙江省丽水地区花岗岩立地条件下不同前茬的杉木林的土壤性质变化及其与林木生长的关系。
The effects of thinning on forest growth embodied some aspects which mostly include the effects on stand productivity, stand factors, stand biomass, vegetation and shrubs under-forest, soil and so on.
抚育间伐对森林生长的影响体现在很多方面，包括对林分生产力及其林分因子、林下植被及灌木、林下土壤和天然更新影响等方面。
Where the forest inhibits the growth of grass and other meadow plants, the black-tailed deer browses on huckleberry, salal, dogwood, and almost any other shrub or herb.
在森林中那些无法支持草和其它草地植物生长的地方，黑尾鹿可以吃越橘类植物、沙龙白珠树、山茱萸和几乎任何其他种类的灌木和草本植物。
The growth mainly came from China's forest protection programs, NASA said.
NASA说，增长主要来自于中国的森林保护计划。
Thanks to slowing population growth, land currently ploughed up for crops might be able to revert to forest or wilderness.
由于人口增长放缓，目前用于种植作物的耕地可能会恢复成森林或荒野。
Insects and pathogens are integral components of forest ecosystems and normally are present at a relatively low density, causing little damage, and having negligible impact on tree growth and vigour.
昆虫和病原体是森林生态系统的固有成分，通常其密度相对较低，所造成的损害较小，对树木生长及其活力的影响微乎其微。
We assumed that this growth of old trees is pristine rain forest because the only way we know how to manage a forest is to clear the trees, and these weren't clear-cut.
我们之所以认为这片老树是原始雨林，是因为我们自己所知道的唯一的管理树木的方式就是把树砍掉，而这里没有明显的砍伐痕迹。
In the space of 30 years the old-growth chestnut forest in North America lost every specimen of a species — the mighty chestnut — that formerly constituted a significant hunk of the forest's mass.
在30年的生长中，北美的板栗林失去了物种——高大的栗树——的每个标本，这是以前板栗林中非常重要的一块。
This magnificent rain forest in Peru's Madre DE Dios region holds some of the last old-growth stands of mahogany in South America.
这个位于秘鲁马德雷德迪奥斯的壮美的热带雨林拥有南美洲几种最新出现的红木品种。
Some areas are being filled with new-growth forest.
还有一些地方被新的树林所覆盖。
First, cleaning up a forest after a fire or storm does not necessarily create the right conditions for tree growth.
首先，在大火或者暴风雨之后的清理并不一定会给树的生长提供合适的生长环境。
The process of forest material circulation, the growth of trees, and the catabolism of litter and ectomycorrhizal fungi are closely linked.
林木生长与凋落物分解代谢及菌根真菌之间存在密切联系。
So the consistency of rhizosphere effects between soil nutrients and soil microbes could be found during some growth periods of forest vegetation in south subtropical region.
在南亚热带森林生态系统中。在植物的某些生长季节，微生物的根际效应与土壤养分的根际效应一致。
As the management term of pure bamboo stands prolonged the natural soil fertility declined, which resulted from the growth characteristics of pure bamboo forest and the management methods.
毛竹纯林随经营期的延长，其土壤的自然肥力呈下降趋势，这是毛竹纯林的生长特性和经营方式决定的。
As the management term of pure bamboo stands prolonged the natural soil fertility declined, which resulted from the growth characteristics of pure bamboo forest and the management methods.
毛竹纯林随经营期的延长，其土壤的自然肥力呈下降趋势，这是毛竹纯林的生长特性和经营方式决定的。
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