灌木群落
- 网络Shrub community;fynbos;scrub
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通过对香港草地、芒萁、灌木群落植物生物量和净生产量的研究,探讨这些植物群落的C素动态。
Carbon dynamics of the grass , fern and shrub communities in Hong Kong were studied based on the estimation of their biomass and net primary production ( NPP ) .
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生物量在建立优化群落结构中的应用&以昆明地区滇青冈萌生灌木群落为例
The Primary Use of Biomass in Setting up the Optimal Community Structure
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红树植物半人工小群落的生态学研究&直接引进的乔木种群对原灌木群落及其种群的扰动效应
Ecological Study on the Small Mangrove Communities Established by Partial Artificial Method
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城市灌木群落小气候效应的时空分布
Spatial and Temporal Distribution of Microclimate Effects of the Urban Shrub Community
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燕山东段森林群落及灌木群落枯落物的研究
Studies on the Litters in the Forest and Shrub Communities in the Eastern Yanshan Mountains
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天龙山灌木群落土壤呼吸与环境因子关系的比较研究
Comparative Studies on Shrub Soil Respiration in Tianlong Mountain Area and Its Relation to Environmental Factors
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燕山西部山地灌木群落凋落物积累量及其持水性能研究
Water Holding Properties and Stocks of Litters in the Shrub Vegetations in West Region of YanShan Mountain
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桂西北喀斯特地区3种灌木群落土壤有机层特征
Properties of Soil Organic Layer of Three Shrub Communities in Karst Area , Northwest Guangxi , China
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随后,我们又使用中国森林和灌木群落数据探索了植物不同组分的生物量-密度关系。
Furthermore , we investigated the biomass-density relationship of different plant components across forest and shrub communities in China . 1 .
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林隙内与非林隙林分的群落相似系数较小,表明林隙与非林隙林分草本植物和灌木群落组成存在差异。
The diminutive similar coefficient between herb and shrub communities showed that certain difference existed between herb and shrub communities in stands of gap and non-gap .
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多年生草本群落常由纯种群构成单优群落,灌木群落结构松散。
The communities of perennial herb are characterized by consociation with single synusia consisting of pure population , and the structure of bush community appear looser .
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老君山云南金钱槭的大多数个体是以单优灌木群落形式存在,少量生长在灌丛中和森林边缘。
On the Laojun Mountain most of its individuals was in D.dyeriana communities , some was in other shrubberies and a few was on the edge of forest communities .
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落叶阔叶乔木与落叶阔叶灌木在群落中占很大的比例;
Deciduous broadleaf trees and shrubs occupy prodigious proportion ;
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沙地灌木林群落土壤水分平衡关系的研究
Study on Relation of Soil Wate Balance to Shrub Community in Sand Land
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沙地灌木林群落土壤根际水分消耗模型和密度公式的物理意义明确,参数易于确定,对于指导固沙造林实践具有重要的价值。
The parameters of these models and density formulas can be easily obtained with clear physical concept .
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三种植被群落在植物多样性方面差异并不大,草原群落的物种多样性和群落均匀度要略小于乔木林和灌木林群落。
Differences of the plant diversity of these three vegetation communities are little , and the species diversity and evenness of steppe community are less than those of arbor and shrub communities .
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研究结果表明:灌木荒漠群落中,优势种群或共优种群的重要值远远大于亚优势种群,在维持群落结构和功能方面占据十分重要的地位。
The results indicated that in the desert shrub communities , the dominant species or co-dominant species presented a much higher importance value than subdominant species did thereby playing a very important role in maintaining the structures and functions of the communities .
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影响人工乔木林和灌木林群落林下草本层物种多样性和均匀度指数变化的主要因素有植物物种种源、植物自身因素(初植密度)和人为因素(破坏、放牧时间)。
The main factors influencing indexes of the diversity and the evenness of herb layer under the artificial arbor and herb are species source , plants ' own factor ( plant density ) and human factor ( destroying , grazing and time ) .
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研究结果表明,天然灌木林群落物种多样性和均匀度指数最大,天然草本群落与人工乔木林群落接近,人工灌木林群落最小;
The results showed that as to the indexes of diversity and evenness , natural bush community has the highest ones , and artificial arbor community has no significant difference with the natural herb community , and artificial bush community has the lowest indexes of diversity and evenness .
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沙棘生长迅速,竞争力强,第3~4年即可形成茂密的单优群落,以后随着自然稀疏,能形成良好的灌木&草本群落;
Seabuckthorn has the characteristics of fast growth and strong competence , after 3 ~ 4 years , it can form mono-dominant community , then , with natural thinning , it can form good shrub herb community .
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本文对其中的直射光、上层树种、草本和灌木等3个群落结构特征因子进行研究。
The influence of 3 community characteristics factors of direct sunlight , upper canopy species , herbs and shrubs were studied in this paper .
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在农村灌木层中,群落的多样性是先下降后上升,在郊区灌木层的物种多样性一直下降,在城区中灌木层中物种多样性也是一直下降。
The species diversity dropping first and rising later in backcountry shrub layer , dropping always in suburb shrub layer , and it is same to the city shrub layer .
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灌木疏林地啮齿动物群落类型与荒坡林地啮齿动物群落类型的相似度较高,与退耕林地啮齿动物群落类型的相似度麟游群落的相似度低,而永寿的相似度高;
Alike degree of rodent community in scrub open forest and rodent community in desolate slope is higher , with the community alike degree , the rodent community in linyou reuse farmland is low , but the community in yongshou is high ;
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在活动积温(>10℃)>3200℃的荒漠地区,灌木(包括半灌木)在群落中占有绝对优势,其重要值可达到100;
In the desert regions with an accumulated temperature of > 10 ℃ being greater than 3 200 ℃, the shrubs ( included semi-shrubs ) occupy dominant positions in the communities , and the importance values reaches 100 ;