Beech相关论文
Dead trees, particularly downed logs, play an important role in the dynamics of forest ecosystem. Contribution of decayi......
The fluxes of masses and the nutrients Ca,Mg,K,N,P and S were determined in the litterfall of two adjacent forest ecosys......
Effects of uprooting tree on herbaceous species diversity, woody species regeneration status and sof
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......
Carbon sequestration capability of Fagus sylvatica forests developing in the Majella National Park (
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......
Natural regeneration of oriental beech (Fagus orientalis Lipsky) trees in canopy gaps and under clos
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......
Distribution of stem decay in the beech trees of the Azerbaijan and its impact on the output of comm
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......
Background:Coarse woody debris(CWD)is an important element of forest structure that needs to be considered when managing......
It was hypothesized that increasing air and/or soil temperature would increase rates of microbial processes including li......
测定森林土壤中的CO2 和N2O 的释放,在评价森林平衡大气中CO2 和N2O的作用方面有着重要的意义.为了量化立地对净碳矿化和N2O氮释放......
Effects of uprooting tree on herbaceous species diversity, woody species regeneration status and sof
We conducted a study to examine the pattern of development of herbaceous plant species,woody species regeneration and so......
报道了英国独特的真菌保护区里真菌的生态学和生物多样性,而该保护区内有关物种构成的数据自1994年就开始进行收集了.关于真菌的生......
Translocation of carbohydrate from leaves to roots via phloem and reallocation from roots to leaves via xylem regulate t......
To analyze the effects of elevated carbon dioxide concentration (PCO2) on the mass flow of reduced nitrogen (N) in the p......
摘要目前,应用于榉树无性繁殖的方法主要有嫁接、扦插和组织培养等。其中以扦插繁殖技术比较成熟,老枝的扦插成活率达到75%以上,嫩......
提出了根据不同植物种在地形梯度上的分布格局测度和比较其生态位的思路.将地形分解为海拔、坡向、坡位和坡度4个属性指标,作为多......