总结分析生物量模型(包括相对生长关系和生物量-蓄积量模型) 和生物量估算参数这2
类常用的生物量估算方法, 提出今后我国在森林生物量估算领域的研究重点: 1) …

基于森林资源清查资料的森林生物量估算是在景观, 区域甚至全球尺度上评估森林碳收支的重要
手段, 且在陆地生态系统碳循环和全球变化研究中起着十分重要的作用. 对3 …

For the past 3.8 billion years, the geochemistry of the Earth's surface-its atmosphere, waters
and exposed crust-has been determined by the presence of biota. Photosynthetic organisms …

This paper contains a strategy for estimating total aboveground biomass of tropical forests.
We developed regression equations to estimate aboveground biomass of individual trees as …

H omo sapiens is only one of perhaps 5-30 million animal species on Earth (eg, Erwin
1982), yet it controls a disproportion-ate share of the planet's resources. Evidence of human …

Observed atmospheric concentrations of CO2 and data on the partial pressures of CO2 in
surface ocean waters are combined to identify globally significant sources and sinks of CO2 …

There is general agreement that terrestrial systems in the Northern Hemisphere provide a
significant sink for atmospheric CO2; however, estimates of the magnitude and distribution of …

De los cuatro elementos de la filosofía natural de la Antigüedad, el aire es el más
imperceptible y el más espiritual. Los pensadores griegos del siglo VI aC sostenían que la …

Recent assessments of areas of different tropical forest types and their corresponding stand
volumes were used to calculate the biomass densities and total biomass of tropical forests …

Assessments of forest resource in national inventories provide a firm basis for quantifying
forest biomass and carbon stock. National statistics on forest resources provide estimates of …