Seasonal drought and soil erosion happened alternately on red soil slope farmland, which severely restricted its full productivity. This project took down-slope tillage as a control and different soil reservoir construction measures’ slopes as subjects, studying their soil reservoir storage function and dynamic change of water storage, in order to study the mechanism of water-retaining and regulating capability in different soil reservoir construction measures’ slopes. The results show that the max. and min. volume of water storage in pits Ⅰ, pits Ⅱ, pin hole Ⅰand pin hole Ⅱare 19.67%, 32.14%, 17.61%, 17.17% and 14.06%, 16.46%, 10.20%, 11.82% higher than the control respectively. Monthly changes of water storage in different soil layers of the control were more than those in construction measures’ slopes farmland, which were minimal in pit Ⅱ, Water storage increased first and then decressed with the increase of soil depth, but the changes of water storage at 0～40 cm layer were more greater than that at 80～100 cm layer in all the slope farmlands, which provided stronger water regulating capability.

Carbon balance and its storage and distribution of the terrestrial ecosystem have became one of hotspots in global change research, but what we knew are limited about carbon sequestration in the eroded-degraded land after ecological rehabilitation, which will help us to further understand carbon balance and its evolution mechanism of sequestration amount in this region. Taking bare land as control, different types of ecological rehabilitation forests are studied. The results showed that there was an obvious increase in vegetation carbon pool and soil carbon pool after ecological rehabilitation, vegetation carbon pools in bamboo-burl-groove Pinus elliotti, glassed-bamboo-burl-groove Pinus massoniana, bamboo-burl-groove Pinus massoniana and serious interfered Pinus massoniana were 34.80, 10.47, 8.69, 7.18 t•hm-2 respectively, soil carbon pools of them were 83.17, 49.06, 42.12，35.51 t•hm-2 separately, which were 2.71, 1.60, 1.37, 1.16 times as that on bare land.