In the model, the forest is denoted by a Boolean lattice, each site of which is either a tree (represented by a value 1) or is empty (represented by a value 0).

森林火灾模型中森林用一个布尔型的网格来表示，其中的每一点可以取两个值：0—代表空地，或者1—代表树木。

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The temperature sensitivity of soil CO2 efflux in forest ecosystem in China, Q10 value, was estimated. It was 1.5 and much lower than the global averaged value, 2.0.

作为衡量土壤CO2释放对温度敏感性的重要指标，计算了我国森林生态系统土壤CO2释放温度敏感性系数-Q10值，约为1.5，该值显著低于全球平均水平，2.0。

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According to our estimates, Norfolk stock derives nearly 20% of its value from its construction freight and forest products divisions.

FORBES: Norfolk Southern Chugs To $78 On Natural Gas And Housing Recovery

At the moment, standing forest is of little commercial value, and much of it continues to exist only because of laws intended to prevent total clearance of the land.

ECONOMIST: A new experiment is setting the Amazon on fire

One answer is to introduce a simple, global and transparent mechanism that recognises the value of the services that each hectare of forest provides to humanity.

ECONOMIST: Letters