ecotone相关论文
Analysis of macrofungal communities reveals a complex reciprocal influence between Mediterranean mon
Fungi are essential components of all terrestrial ecosystems.Despite the crucial ecological role of soil fungi in grassl......
Land use induced blurring of forest-grassland transition in north-west Himalaya - A case study using
Transition zone or ecotone is a unique community sandwiched between two communities/ecosystems/biomes. These ecotones in......
,Distribution of ground-dwelling beetles (Coleoptera) across a forest-clearcut ecotone in Wolong Nat
The influence of edge effect on ground-dwelling beetles (Coleoptera) across a forest-clearcut ecotone was studied in Wol......
To study the seasonal variability of soil inorganic nitrogen (N) across borders at the woodland-farmland ecotone and pot......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
位于内蒙古白音敖包自然保护区的沙地森林草原过渡带是我国森林草原植被带中非常特殊的景观类型之一.本文我们在系统研究中国沙地......
为探究半干旱区湿地-草原生态交错带的边界宽度及其群落多样性,于2014年7月对宁夏盐池县四儿滩湿地进行野外植被调查.利用移动分割......
Impacts of soil fauna on nitrogen and phosphorus release during litter decomposition were differentl
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Contribution of Root Respiration to Total Soil Respiration in a Betula ermanii-Dark Coniferous Fores
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The Ecological Effects of Young Elm Trees Belt-Pumpkin Strip Intercropping System at the Agro-Pastor
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The Ecological Effects of Young Elm Trees Belt-Pumpkin Strip Intercropping System at the Agro-Pastor
Young elm trees belt-pumpkin strip intercropping was studied to solve the actual problem of resource losses in the large......
Contribution of Root Respiration to Total Soil Respiration in a Betula ermanii-Dark Coniferous Fores
Total and root-severed soil respiration rates for five plots set up 50 m apart in a Betula ermanii Cham.-dark coniferous......
运用树木年轮学的方法研究了长白山阔叶红松林—云冷杉林生态交错带内过去200 a的干扰历史,以及该交错带内气候变化对红松( Pinus ko......
To study the seasonal variability of soil inorganic nitrogen (N) across borders at the woodland-farmland ecotone and pot......
Spatial distribution of water and wind erosion and their influence on the soil quality at the agropa
In semiarid regions,wind and water erosion are serious environmental and ecological problems around world.They have diff......
应用二元属性数据和数量数据对二仙岩泥炭藓沼泽草甸交错带植被的口多样性进行了初步研究,在5个样地的25个样方内共记录25种高等植......
农牧交错带典型的过渡性特征决定了畜牧业在农牧民生产和生活中的重要地位,禁牧政策的实施对农村畜牧业发展的影响是显著的。本文......
以甘肃省石羊河下游的民勤绿洲为例,对其绿洲外围与荒漠交错地带的植被和与植被关系密切的灌丛沙包特征进行了系统研究.结果表明,......
Landscapepatternsandtheirevolutions10thesuburbanecotone──AcasestudyoftheeasternsuburbofBeijingYangJurong,ZhangHongmei,HuangYi.........
从城乡交错带的概念出发,分析了城乡交错带与城市化和生态交错带的关系,并讨论了城乡交错带的城乡复合特征、界面效应及动态变化等......
Characteristics and dynamics of sandy natural forests in sandy forest-steppe ecotone in the northern
研究从 1980 年代在中国的北区域在沙的森林大草原交错群落在沙的自然森林生态系统上被执行。在这篇论文,我们介绍了在中国的北区域......
Impacts of soil fauna on nitrogen and phosphorus release during litter decomposition were differentl
The dynamics of litter nitrogen (N) and phosphorus (P) release could be affected by soil fauna and environmental conditi......
辽宁黄海海岸交错带的景观近几十来年变化很快 ,其中许多景观变化是有意识的人类活动或人工管理形成的 ,景观设计可以看作是已经出......
运用遥感和GIS技术,以及景观生态学的方法,利用1989年LandsatTM影像,1999年、2001年的LandsatETM影像,建立相应的空间图形库系统,......
以海拔梯度上的群落重要值和二元数据为指标,采用游动分割窗技术辨析了长白山北坡各植被带群落交错区的位置和宽度.结果表明,采用......
经十多年的试验研究,在低丘红壤区建立起的生态模式有林业型、食用笋型、林果型、林茶型、时地作物型、粮草渔畜型。在这几种模式中......
The Ecological Effects of Young Elm Trees Belt-Pumpkin Strip Intercropping System at the Agro-Pastor
Young elm trees belt-pumpkin strip intercropping was studied to solve the actual problem of resource losses in the large......
毛乌素沙地臭柏群体是一个生态过渡带。为了进一步阐明分子变异和基因流与生境或生态过渡带的联系,应用RAPD标记开展了臭柏群体的分......
Changes of landscape pattern and its influence on environment in Dongling District,Shenyang City,Chi
ChangesoflandscapepatternanditsinfluenceonenvironmentinDonglingDistrict,ShenyangCity,China¥ZhaoYi;LiuZhenguo;XuLan(Instituteo.........
Changes of landscape pattern and its influence on environment in Dongling District,Shenyang City,Chi
ChangesoflandscapepatternanditsinfluenceonenvironmentinDonglingDistrict,ShenyangCity,China¥ZhaoYi;LiuZhenguo;XuLan(Instituteo.........
Betula ermanni 人口被划分成三个组:上面的人口(2 0002 200 m ) ,中间的人口(1 7002 000 m ) ,并且下面在 Changbai 的人口(1 4001 7......
大小兴安岭是我国纬度最高的地区,也是我国近百年来温度增加最明显的区域。大小兴安岭森林植被交错区位于东经123°~128°,北......
Land Use/Cover Change and Its Policy Implications in Typical Agriculture-forest Ecotone of Central J
During the 21st century,policies toward agriculture,forestry,and urbanization have emerged to ensure food security,ecolo......
To study the seasonal variability of soil inorganic nitrogen (N) across borders at the woodland-farmland ecotone and pot......
对河北沽源草地生态系统野外观测研究实验站外不同区域的草原进行调查,统计其各物种重要值,并测定土壤水分,利用游动分割窗技术判......
生态环境脆弱带对全球变化响应具有独特性,能及时、灵敏地反映全球变化,体现全球变化的早期信号,且将变化过程记录在系统物质环境......
在长白山 北坡halt 1 525 m~1 775 m的岳桦云冷杉森林过渡带和1 990 m~2 170 m的岳 桦苔原林线过渡带中,沿海拔高度,采用梯度取样方......
采用烘干法和环刀法对土壤物理性质进行了测定,目的是为了重点了解岷江上游山地森林/干旱河谷交错带的不同植被类型下0~40cm土壤含水......
文章在分析传统线性经济和末端治理发展模式理论依据和实践弊端的基础上,重点论述了农牧交错带循环经济发展模式发展的现实需要,并......
[目的]探讨过氧化氢酶、脲酶、转化酶、碱性磷酸酶、脱氢酶活性的变化以及这些酶活性与土壤微生物总量及土壤养分的相关性。[方法]......
采用短期定位观测法对毛乌素沙地南缘生态过渡带流动半流动沙丘草地、固定半固定沙地草地、盐化丘间低地草和缓坡丘陵梁地草地4种......
在内蒙古阴山北麓地区的中部,年降水量平均只有280~350mm。由于冬春季地表大部分裸露,风蚀沙化已相当严重,因此应控制耕作,鼓励农民种草......
晋陕蒙接壤区是典型的生态过渡带,生态环境具有波动性、脆弱性和敏感性。笔者采用2个时期遥感影像作为基本信息源,在GIS的支持下,建立......
【目的】寄生蜂作为一类寄生性天敌昆虫,寄生于鳞翅目、双翅目等昆虫的幼虫、卵或蛹,是一类重要的天敌昆虫,对害虫的发生起到一定......
河北省塞罕坝地处森林区向草原区的过渡区域,植物种类丰富,共有种子植物75科318属713种或变种.塞罕坝植物区系的地理成分以北温带......
采用移动分窗法和旱季、雨季的小气候测算,对吉林省西部林地与农田边界的小气候影响域的季节动态进行了分析。结果表明:研究区域内......
毛乌素沙地柠条群体是一个杂种带,为了进一步阐明分子变异和基因流与生境或生态过渡带的联系,应用RAPD标记开展了柠条群体的分子生态学研......