Based on the demand of ecological highway construction, this paper explores the research work of carbon sequestration forest. The introduction of forest carbon sinks and advanced concepts of the forestry carbon sequestration, and for the measurement of the highway in the carbon sink forest carbon sink monitoring and exploration on the aspects, such as, the forest carbon sinks and forestry carbon sink theory knowledge, used in highway transportation, implements the carbon sink forest methodology used in the field of traffic, road area change ever green landscape, the shrub tree species as the main design concept, put forward the concept of carbon sequestration in the road system and based on the neutral roadside greening design forestry carbon sequestration. On the basis of energy conservation and emission reduction, the construction of carbon sequestration forest is adopted to solve the carbon emission problem of the transportation industry from another perspective, so as to improve the quality of planting trees along the transportation lines of Jiangsu province and even the whole country, update the greening concept, enhance carbon sequestration and ecological efficiency, and open up a new path for building a green transportation environment.

In this paper, taken the city Nanjing in China as the sample, the carbon emission from transportation is analyzed. To reduce the greenhouse gases produced by transportation, the carbon sink forest in road is investigated, based on the idea of the forest carbon sinks. To increase the greening quality along the roads and update the greening idea, enhancing carbon fixation and ecological efficiency is important to realize the low carbon, energy saving and emission reducing in transportation. For the carbon sink forest in road, the carbon sequestration capacity of different kinds of trees should be investigated and the measurement of carbon sink and carbon sink monitoring are the key technology.

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