长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.
森林结构的不同，其森林功能也不同。
为了改善林分质量、恢复原有森林结构和功能，有必要对低质林分进行改造。
In order to restoring the original forest structure and function, improving the quality of forest stands, it is necessary to transform low-quality forest.
本文的研究目的是评估glas数据，分析类似于MISR的数据对森林结构参数的估计能力。
The objectives of this study are to evaluate the GLAS data and to investigate the ability of MISR-like data for forest structural parameter estimation.
该文提出基于主题森林结构的对话管理模型，较好地处理了上述问题，能实现对话过程的混合主导。
A dialog management model based on the topic forest structure is presented here, which can well handle those issues with mixed initiative dialog control.
文中简要概述了树轮分析在森林干扰、群落动态、森林结构、林分更新方式以及高山林线研究方面的进展。
This paper briefly outlined the advance of dendroecology research in terms of forest disturbance, population dynamics, forest structure, forest regeneration patterns and alpine timberline.
野生动物是森林的重要组成部分之一，森林抚育会引起森林结构的变化，而森林结构决定森林野生动物的种类、数量和分布。
Wildlife is one of the key components of forest. Forest structure can be modified by forest tending, which can affect the species richness and abundance of wildlife in forest stand.
野生动物是森林的重要组成部分之一，森林抚育会引起森林结构的变化，而森林结构决定森林野生动物的种类、数量和分布。
Forest structure can be modified by forest tending, which can affect the species richness and abundance of wildlife in forest stand.
格雷斯国教教堂是在南北战争之前建造的，位于一个远离人烟的地方，是岩石和灰泥结构，教堂的周围环绕着森林和农田。
Built back before the civil war, Grace Episcopal Church is a stone and stucco structure out in the middle of nowhere surrounded by forest and fields.
研究人员通过1月份的调查认为，在亚马逊森林的覆盖下，估计还有比已发现的地面结构大十倍之多的地方还未被检测出来。
The researchers behind the January study, though, estimated that nearly ten times as many such structures—of unknown purpose—may exist undetected under the Amazon's forest cover.
这种植物能长到15米高，改变了水文和营养物质的平衡而从根本上改变了森林组成结构。
It can grow up to 15 meters tall and is "fundamentally changing" the forest architecture, he says, altering the hydrology and nutrient balance.
该增长也是水晶细胞结构的结果，那将穿透所有岩石、矿物、森林、海洋和草木。
This growth is also the result of the crystalline cellular structure that will permeate all rocks, minerals, forests, oceans and vegetation.
虽然结构设计的最大问题是地震活动，但它也十分重要为东南面围护墙提供了清晰、宽广的森林景观。
Although seismic activity was a major concern regarding the structural design, it was important that east and south facing walls provided clear, unobstructed views of the forest.
玻璃幕墙排列和保护了木结构，同时通过周围树木的映像将礼堂融入到森林之中。
Glass walls line and protect the wooden structure, while they blend in with the forest through the reflection of the trees.
森林生产力是森林生态系统中作为第一性生产者植物群落结构与功能的综合体现。
As the primary producer of forest ecosystems the forest productivity reflects the structure and function of plant community synthetically.
森林层次结构较为完整，乔、灌、草各层次间分化清晰：(5)植物群落分布的连续性明显及群落生产力水平低等群落特征。
Comparatively intact forest layer, the clear layer of the arbores, thicket and vert. (5) Obvious continuity of vegetation community's distribution and poor productivity of community.
在这种模型中，所有的用户资源和共享资源都是和组织结构相关联的，并储存在各自森林内部。
In this model, all user accounts and Shared resources related to each organizational entity are stored within the relevant forest.
全面介绍了陕西省森林资源信息管理系统的系统结构、平台选择和功能实现。
A holistic introduction to the system structure, platform selection and function performance of Shaanxi forest resources information management system.
每片鳍状木结构都有一系列小的挤压处，水平堆叠时，在木棚外立面创建了一个森林模式。
Each fin has a series of small extrusions that, when stacked horizontally, creates the forest pattern that defines the shed exterior.
上层结构包裹了当地的银杉木材，增加的上部结构使建筑高出周围的森林，而原来的混凝土结构覆盖着石板，依偎在半山腰。
Clad in locally sourced silver fir, the upper level peaks above its woodland surrounding, while the original concrete structure is covered in SLATE and nestles into the mountainside.
蚂蚁的搬运是影响某些温带森林群落结构的重要因素之一；
The seed dispersal by the ant is an important factor affecting some communities structure of temperate forests.
传统林业转型之深层动力，在于现代社会森林需求结构的变迁。
The profound motive of such transfer lies in the structural change of modern demand to forests.
利用分形理论建立了广州白云区森林景观镶嵌结构的回归模型。
The fractal characteristics of forest landscape on Mosaic structure model at Baiyun region in Guangzhou was analyzed using fractals.
火干扰并未完全地破坏森林，仅仅是导致林分中不同地点上林分组成和红松径阶结构的差异明显。
Fire disturbance only led to a significant difference in stand composition and diameter class structure for the stands at different locations, rather than completely destroying the forest.
本文根据林分结构和森林产量长期实验林的研究成果，提出了刺槐林的抚育作业次序。
In the paper the sequence of forest tending operations in black locust stands is proposed, based on results of long-term stand structure and forest yield trials.
大力发展森林旅游业，既是建设文明国家的需要，又是调整林业产业结构、促进林区社会稳定的需要。
To vigorously develop forest tourism is both the need of building a civilized country and the needs of restructuring the forestry industry and promoting the social stability in forest regions.
本文评述了群体同工酶基因位点遗传结构研究中的主要度量方法及其在森林树种中的应用概况。
The main methods to characterize population genetic structure at isozyme loci and their applications in forest trees were reviewed.
从叶片结构的角度来看，可以将南仁山亚热带雨林归类为介于暖温带和亚热带之间的雨林型硬叶森林。
From the view of leaf structure, one may classify the Nanjenshan Subtropical Rain Forest as the Sclerophylly Rain Forest between the Warm Temperate and Subtropical Zone.
这是一个白色像岛一样的结构，周围环绕透明的玻璃墙，墙上印有菲恩·海姆森林的图景。
A white organically shaped island surrounded by transparent glass walls, witch are characterized by a monochrome overprint of the Viernheim forest.
这是一个白色像岛一样的结构，周围环绕透明的玻璃墙，墙上印有菲恩·海姆森林的图景。
A white organically shaped island surrounded by transparent glass walls, witch are characterized by a monochrome overprint of the Viernheim forest.
应用推荐