The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources.
提出的理论是,当未利用资源数量增加时,植物群落更容易受到入侵。
植物群落;
Seasonal changes of landscape plant community are not obvious.
园林植物群落外貌四季变化不明显。
Much dispute has centered on the nature of the plant community.
许多的争论集中于植物群落的性质。
Coverage is an important quantitative index for plant community structure.
盖度或者覆盖度是植物群落结构的一个重要数量指标。
Ming Tomb Scenic Area; plant landscape; plant community; comprehensive evaluation.
明孝陵景区;植物景观;植物群落;综合评价。
The Phragmites communis community is landscape plant community and have wide distributions.
芦苇群落分布广泛,面积最大,是白洋淀的景观植物群落。
This method offers a great help to the study of plant community distribution and vegetation succession.
该方法对研究植物群落的分布及植被演替等内容是很有帮助的。
Plant community has a great influence upon the physicochemical properties of soil and nutrient inversion.
植物群落对土壤理化性状及土壤养分转化的影响都很显著。
The plant community dynamic change of Potentilla fruticosa shrubs under grazing and enclosure were studied.
对放牧和封育条件下金露梅灌丛群落动态变化进行了研究。
The results showed that the plant community was classified into tree community and shrub community by TWINSPAN.
研究结果表明:TWINSPAN将大花黄牡丹生境地群落划分为乔木群落和灌木群落。
The ecological benefits and sustainability of an urban artificial plant community are decided by its structure.
城市绿地人工植物群落的结构决定了它的生态效益和稳定性。
The efficiency of energy conversion of PAR is 0.58% more or less in plant community of Haibei alpine meadow area.
同时计算表明,海北高寒草甸地区植物群落对PAR的光能利用率为0 .5 8%左右。
Climatic climax a plant community that is in equilibrium with a stable climate. It represents the of a succession.
气候顶级群落:与稳定的气候平衡的植物群落,它代表演替的顶级。
The occurrence of salinization are mainly due to unsuited irrigation, plant community damage and seawater intrusion.
究其原因主要是不适当灌溉,植被破坏和海水内侵。
Weathering of loess soil is physical and biochemical processes mainly controlled by the root systems of plant community.
黄土的风化主要为植物群落根系的物理作用及其所引起的生物化学作用。
The results indicated: (1) The flora components of vegetation and plant community types are simple in investigated area.
研究地区植物区系组成较简单,群落类型较少。
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
结果表明,天然草地植被盖度、地上生物量和高度随土壤厚度的增加而增大。
Under such a premise, Yunnan Tin plant community neighborhood plaintiff is clear that people living with HIV basic information.
在这样的前提下,云锡机厂社区居委会清楚原告是艾滋病病毒携带者这一基本情况。
Plant community dynamics, such as renewal, fluctuation, succession and evolution, is central in the ecology of plant communities.
植物群落的动态是植物群落学的中心问题之一,包括更新、波动、演替、进化等主要内容。
The results showed that the minimum sampling areas of riparian plant community were smaller than those of the non-riparian community.
结果表明,河岸带植物群落的最小面积均小于远离河岸带的森林群落的最小面积。
The planting of aquatic plant should also follow the superior species cultivation pattern to form the stable aquatic plant community.
水生植物的种植,也要按照优势种培育模式,以期形成稳定的水生植物群落。
Plant cover was signifisantly changed after improved. Total cover was increased from 42.5 to 83.5%. Plant community was also changed.
植被盖度由原来的42.5%增加到83.5%,将蒿属植物为建群种的群落变为沙打旺—野艾蒿—万年蓬组成的群落。
As the primary producer of forest ecosystems the forest productivity reflects the structure and function of plant community synthetically.
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。
The plant community styles in Beijing are luxuriant, including 2 groups of vegetation type, 5 vegetation types, 18 formations and 78 community types.
北京湿地植物群落类型丰富,共包括沼泽型组和浅水植物湿地组2个植被型组、5个植被型,18个群系组和78个群落类型。
The study of knowledge modeling for plant community is relatively less, which pays more attention to the knowledge authenticity of botany and ecology.
从知识的角度对植物群落进行建模的研究相对较少,植物群落的知识建模方法注重植物学和生态学知识的真实性。
The plant communities of hengshui lake wetland consist of water plant community, wetland and low beach plant community and terrestrial plant community.
衡水湖湿地植物群落包括:水生植物群落、湿地滩涂植物群落及陆生植物群落。
This paper analyzed the vegetation characters, plant community characters and succession state in the copper tailing yard in Pengzhou, Sichuan Province.
本文分析了四川彭州铜矿尾矿库的植被特征、群落特征与演替。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响,且对下层植物分布有较大的作用。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响,且对下层植物分布有较大的作用。
应用推荐