东北亚区域森林资源 NAFR
区域森林生物量估算 Estimation of regional forest biomass
阿列格尼国家森林区域 Allegheny National Forest Region
森林区域 woodland
This article constructs CNAFR,the major purpose of it is to change the flaw of regional management organization flaw as well as the existing asthenia of the organizational manages, and to guarantee effective supply. Of the regional forest resources management.
本文构建CNAFR,主要功能就是改变区域管理组织缺失以及现有组织管理乏力,保证了区域森林资源管理有效供给。
参考来源 - 东北亚森林资源多中心管理体系研究Accurate estimation of the carbon storage and CO2 fluxes and reducing the estimation uncertainties for region forest ecosystems are the hot and difficult problems.
因此准确估计区域森林生态系统碳库的大小及其相关碳库之间的交换通量一直是森林生态系统碳循环研究中的热点与难点。
参考来源 - 华北主要森林类型的碳汇功能研究·2,447,543篇论文数据,部分数据来源于NoteExpress
在许多半干旱的地区中,同样存在树带界限的下限区域;在这片区域之内,由于缺乏水分,森林下沿区域的植被通常会逐渐变成干草原或沙漠。
In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.
就是一家人到偏僻的森林区域去享受大自然。
不过在2007年之前,放牧已经在该区域被禁止,所以森林开始有了恢复的迹象。
But by 2007, cattle grazing in the area had been abandoned and the forest began to come back.
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