提高碳汇潜力：量化树种和造林模式对碳储量的影响

全球气候变化背景下,造林再造林固定的碳可以抵消温室气体减限排量。通过造林再造林增加森林面积可以增加林业碳汇,在土地面积有限的情况下,提高造林质量——在有限的造林面积上固定更多的碳是十分必要的。树种和造林模式的选择是增加森林生态系统碳汇的重要管理决策。文章综述了树种和造林模式对生态系统的碳储量的影响。树种从生物量的积累,凋落物和土壤碳储存,以及木材密度、碳贮存量等几个方面探讨其对生态系统碳库的影响。混交林能充分利用立地条件、改善树木营养状况,并且可以减少病虫害和森林火灾。同时分析了我国在森林经营方面存在的问题和改善途径,以期为该领域的研究提供参考。

Carbon sequestration estimation by different tree species and reforestation types in forest ecosystem

Global climate change is the consequence of imbalance carbon cycle.Carbon storage by reforestation program can play significant role in the global carbon cycle.It is important to fix more carbon on specific areas improving the forest quality.The choice of tree species and afforestation modes is the most significant management decision for increasing carbon stocks through quality forest cover in forest ecosystems.This review critically examines the effects of tree species and afforestation modes on carbon sequestration in forest ecosystems.Tree species has potential impacts on carbon pool in relation to biomass accumulation,litter fall,carbon storage,wood density and carbon content.Species variation can properly utilize the soil nutrients of a certain site and enhance nutritional status of the site condition.In addition,it helps to reduce insects and forest fire.The research paper scrutinized the problem came out in forest management of China and suggested some solutions,which can be used as further research reference.