1) chinese birch
坚桦(林)
2) Betula forest
桦林
1.
This paper intends to understand the stability and mechanism of Betula forest in Mt.
对于太白山地区的桦林,长期以来存在不同观点:孢粉学证据和自然环境下呈现的优势分布皆说明其从地质时期至今,都是作为建群种而稳定存在的;但野外调查数据则表明其种群配置极不均匀,自然更新差,为衰退种群。
3) Betula lenta L.
坚桦木
4) birch forest
桦木林
1.
Carbon density,storage and distribution in birch forest ecosystem on the forestland converted from farmland;
退耕还林地桦木林生态系统碳素密度、贮量与空间分布
2.
Woodland hydrological effects of birch forests in sub-alpine region of western Sichuan,China;
川西亚高山桦木林的林地水文效应
3.
Birch forest,as one of the transitional forests in the succession series of subalpine,middle mountain and hill,is an important component of the forests in this region.
青藏高原东北边缘山地位于我国东部季风区、西北干旱区与青藏高原高寒区的交汇地带,桦木林是该地区森林的重要构成成份,是亚高山、中山、低山地带森林演替的过渡性森林之一。
5) Betula platyphylla forest
白桦林
1.
Throughfall and stemflow in a Betula platyphylla forest at the subalpine of Western Sichuan;
川西亚高山白桦林穿透雨和茎流特征观测研究
2.
Soil physical properties and leaf photosynthetic characteristics in three stands,Betula platyphylla forest,Quercus liaotungensis forest,and Betula platyphylla-Quercus liaotungensis mixed forest,which were located in the secondary zone of Ziwuling Forest of the Loess Plateau,were studied.
对黄土高原子午岭次生林区白桦林、辽东栎林和白桦-辽东栎混交林3种林分的土壤物理特性和叶片光合特性进行了研究。
3.
The tree height, diameter at breast height and growing stock of Betula platyphylla forest stand are lower in the Bashang Plateau than those in the Baxia Mountain in northern Hebei Province and eastern Inner Mongolia.
河北北部坝上与坝下白桦林比较 ,无论是林分的树高、胸径、蓄积量 ,还是白桦的高生长、直径生长、材积生长 ,都是坝上小于坝下 。
6) Poplar-birch forest
杨桦林
1.
The density of Poplar-Birch forest was studied by using the method of location observation in fixed plots and investigation in temperate plots.
采用固定标准地定位观测和临时标准地调查点面结合的方法,研究了杨桦林的密度,得出了杨桦林的最大密度、最佳密度和最小密度数学模型,确定了杨桦林的最佳经营密度与最低经营密度分别为0。
2.
Low quality Poplar-birch forest is regenerated and tended with the fire of 1500～2000kW/m middle intensity in Sanjiang Plaill during the fire prevention period.
在戒严期内,采用1500～2000kw/m 中等强度火对三江平原地区"残破"的杨桦林进行更新复壮,4年后更新幼树的密度达11400株/hm~2,随后自然稀疏成林,并稳定在9000～10000株/hm~2之间,实现了经济效益与生态效益的统一。
补充资料：不坚财贸易坚财
【不坚财贸易坚财】
谓一切世间财物，体非坚固，聚散无常，不可久保。若能持用布施清净梵行之人，远求无上安乐涅槃，或求当来天人乐果，即为坚固之财，永久不坏矣，是为不坚之财贸易坚财也。（梵语涅槃，华言灭度。）
谓一切世间财物，体非坚固，聚散无常，不可久保。若能持用布施清净梵行之人，远求无上安乐涅槃，或求当来天人乐果，即为坚固之财，永久不坏矣，是为不坚之财贸易坚财也。（梵语涅槃，华言灭度。）
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条