环境梯度

环境梯度下蒙古栎群落的物种多样性特征

The species diversity characteristics comparison of Quercus mongolica community along environmental gradient factors

基于区域拓扑和环境梯度的等值线区域填充算法

An algorithm for region filling of isograms based on regional topology and environmental gradient

GIS支持下的秦岭山地植被分布与环境梯度关系研究

Analysis on Vegetation-Environment Gradient Correlation in Qinling Mountain Based on GIS

基于GIS的秦岭山地植被类型与环境梯度的关系分析

GIS-Based Study of Vegetation-Environment Gradient Relationship in Qinling Mountain

沿CCA排序图的第一轴从左至右将28种植被类型划分为4个类群，揭示出重要的环境梯度和每一个类群具有其特定的生境特点。

Along the first axis of CCA ordination chart , all of the vegetation were divided to four taxas , revealing important environmental gradients and each one has its taxa-specific habitat characteristics .

根据我们的相对作用强度模型，我们提出了沿环境梯度个体相互作用决定了M-N关系的第一个科学假说。

According to the relative interaction intensity model , we hypothesize that plant interactions determine the M-N relationship along environmental gradients .

TWINSPAN将荆条群落划分为13个群丛，分类矩阵图明显反映出坡向和土壤湿度两个环境梯度。

The results of TWINSPAN indicated that the communities were classified into 13 associations , and the classification matrix indicated two environmental gradients , light intensity and soil humidity .

本区落叶阔叶林1m样带最佳分割尺度为：乔木层40m，更新层80m、灌木层20m。样带法在研究植物群落随环境梯度变化格局中具有重要价值。

The suitable lengths of the 1 m transect in deciduous broad leaved forest in this area are proposed to be 40 m , 80 m and 20 m for canopy layer , regeneration layer and shrub layer , respectively .

而且，胁迫梯度假说（SGH）也预测了促进作用与竞争作用沿着环境梯度的相互变化，这也刺激了大量关于正相互作用的研究。

Moreover , the ' stress-gradient hypothesis '( SGH ) predicting the shifts between facilitation and competition along environment gradients has stimulated the bulk of studies about facilitation .

结果如下：用TWINSPAN进行的数量分类，共划分出12个群落类型，分类矩阵图明显反映出演替时间与土壤含水量两个环境梯度。

CCA , DCCA . The results are as following : plant communities are classified into 12 types by TWINSPAN , and they reflect changes of two environmental gradients , time of succession and water conditions of soil .

京西百花山地区环境梯度与植物群落

Environment gradient and plant communities in Baihuashan area , western Beijing

过伐林景观要素沿环境梯度分布趋势的研究

Distribution of Landscape Elements along Environmental Gradients in Over-Cutting Forest Region

这种差异也可能是由于海拔等环境梯度范围的不同造成的。

The range of environmental gradient such as altitude may contribute to the difference .

中条山东段森林乔木树种分布的环境梯度分析与种组划分

Environmental gradient analysis and species group division of tree species distribution in eastern Zhongtiao Mountain

外来入侵植物对环境梯度和天敌逃逸的适应进化

Adaptive evolution in response to environmental gradients and enemy release in invasive alien plant species

异龙湖湖滨带不同环境梯度下土壤养分空间变异性

Spatial variability and distribution of soil nutrient contents along different environmental gradients of Yilong lake shore

关帝山植物群落与环境梯度分析

Analysis on the Relationship Between Environmental Gradient and Plant Communities in Guandi Mountains , Shanxi Province

黄河三角洲芦苇种群特征对水深环境梯度的响应

The response of reed community to the environment gradient of water depth in the Yellow River Delta

排序图表达了植物群落的环境梯度、结构梯度和人为干扰。

The environmental gradient , structural gradient and human-disturbance could be well expressed in the ordination plot .

青海湖北岸环境梯度上植物群落的生物量与物种多样性及其相互关系

The species richness and biomass of plant communities along environmental gradients in the north shore of Qinghai lake

我们的研究为地上地下相互作用的交互作用随环境梯度的变化提供了一个可供选择的机制解释。

Our study provides an alternative interpretation of the interplay between above-and below-ground plant-plant interactions across an environmental gradient . 3 .

热带森林植物沿微环境梯度的非随机空间分布表明其生态位分化很明显，并对其多样性起重要作用。

Niche differentiation is evident from the non-random spatial distributions along micro-environmental gradients and plays an important role in sustaining high biodiversity .

秦岭山地的特殊地理状况，使得它具有浓缩的环境梯度和高度异质化的生境、相对较低的人类干扰强度的特点。

Because of the special geographic situation of Qinling Mountain , it characterized by an obvious environmental gradient , habitat heterogeneity and relatively low human disturbance .

然后，就地形、本地植物物种多样性、环境梯度等对群落可入侵性的影响进行了探讨；

Second , we discussed the effects of topographical factors , native plant diversity and environment gradients on the resistance of plant communities to the invader .

研究结果表明：①森林／沼泽生态交错带群落种类数目沿着沼泽至森林方向的环境梯度呈现明显的三次式曲线递增的趋势。

The research results show that : ( 1 ) species number of communities increase in cubic curve along the environmental gradients from swamp to forest ;

环境梯度构建了植被的地带性分布，植物在生态适应中的权衡是这种分布形成与稳定的原因与机制。

Environmental gradient constructed the zonal distribution of vegetation , plants in the tradeoff in the ecological adaptation is the reason why this distribution formed and stabled .

将地形分解为海拔、坡向、坡位和坡度4个属性指标，作为多维生态位空间的环境梯度轴。

Landform was analyzed with 4 attribute indices elevation , aspect , location ( position on slope ) and slope which were then viewed as a multidimensional environmental gradient .

具有环境梯度的不同林型序列，反映出蕨类植物运生生境的不同，据此，将本区主要蕨类植物分为4种生态类型。

Various forest type sequences with an environmental gradient indicated that pteridophyte fit to various environment , therefore pteridophyte in the region could be divided into four ecological types .

对改进过的第一轮技术成果进行了讨论，其中包括成图模型的细化、有关环境梯度的应用以及与实际植被类型相关的潜在植被问题等。

Techniques to improve the first-round results are discussed , including refinements of mapping models and use of relevant environmental gradients and potential vegetation classification associated with actual vegetation types .

而且，海拔高度对植物的影响在一定程度上依赖于植物个体大小，说明植物通过调整其个体大小与繁殖性状的关系来适应环境梯度的变化；

The influences are dependent on plant size to some extent . It means that plants adjust the relationships between plant size and reproductive traits to adapt the varied environment .