1) vegetation C and N content
植被碳氮含量
2) Carbon fraction
植被含碳率
4) Vegetation carbon storage
植被碳贮量
1.
Vegetation carbon storage and its impact factors of the southwest of Qu′er Mountains,a typical ecological fragile(area) in Hengduan Mountains,have been surveyed.
在“3S”技术支持下,利用ASTER卫星图像,建立波段亮度值与植被碳密度间的回归方程,对横断山区西北部的雀儿山西南坡四种植被类型(针叶林、阔叶林、灌木、草)的植被碳贮量进行了估算并分析其影响因素。
2.
The carbon storage in the tree layer accounts for more than 90% of total vegetation carbon storage.
34%);(3)在群落演替的过程中,植被碳贮量逐渐增加,栓皮栎群落最高,达40。
5) Vegetation carbon storage
植被碳储量
1.
Impacts of cultivated land conversion on the vegetation carbon storage in the Huang-Huai-Hai Plain;
黄淮海平原耕地转移对植被碳储量的影响
2.
Based on the above analysis,the paper calculates the change value of vegetation carbon storage in this study area which caused by land use change with the method supplied by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories.
利用1980、1990和2005年三期遥感影像解译并提取了环太湖地区1980~2005年的土地利用变化数据,根据《IPCC2006年国家温室气体排放清单指南》提供的方法,计算了环太湖地区土地利用变化对生态系统中植被碳储量的影响,并将计算结果与国内相关研究进行了对比分析。
3.
Carbon content rates,economic coefficients and grains\' water content rates of main crops are obtained by farmland sample observation and experimental analysis,and then in the light of data on main crops\' yield and their cultivated area,vegetation carbon storage and carbon density of farmland ecosystem in Yanting County,Sichuan Province during the last 55 years(1949-2004) are estimated.
通过农田样方观测与实验分析获得主要农作物的含碳率、经济系数、果实水分系数,再根据盐亭县近55年来(1949~2004年)农作物产量与耕地面积的相关数据,估算了该区农田生态系统植被碳储量与碳密度的动态变化。
6) N content of crop tissue
植株氮含量
补充资料:1,8-二氮杂双环[5.4.0]十一碳-7-烯
分子式:C9H16N2
分子量:152.24
CAS号:6674-22-2
性质:密度1.019。熔点-70°C。沸点261°C。折射率1.521-1.523。闪点116°C。WATER SOLUBILITsoluble。
分子量:152.24
CAS号:6674-22-2
性质:密度1.019。熔点-70°C。沸点261°C。折射率1.521-1.523。闪点116°C。WATER SOLUBILITsoluble。
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