Carbon Storage and Distribution Characteristics of Vegetation Community Subjected to Ecological Management in Arid Valleys of the Dadu River
This study aims to examine the carbon sequestration capacity of vegetation communities under eco-logical management in the arid valleys of the Dadu River.The distribution of carbon storage in different vegetation layers and soil layers in the vegetation communities under ecological management were compared,including Platy-cladus orientalis forest(POF),Cupressus chengiana forest(CCF),Pinus yunnanensis forest(PYF),Robinia pseudo-acacia forest(RPF)and Opuntia dilleniid shrub(ODS),as well as an undisturbed shrub community(UDS)serving as the control.The results showed that the total carbon storage of CCF(171.48 t/ha)was higher,and POF(149.69)＞RPF(138.74)＞PYF(76.54)＞ODS(76.45)>UDS(65.70)t/ha.In the CCF,the carbon storage of soil layer(129.7 t/ha),the above-ground of vegetation layer(33.83 t/ha)and the litter layer(3.10 t/ha)were higher than those in the other vegetation communities.We conclude that ecological management significantly increases the carbon storage of the main vegetation communities in the arid valley area of the Dadu River,and CCF has a greater potential for carbon sequestration.
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