Riverine and depression, light in human disturbance, accounted for 50.09% of the total acreage of wetlands, slope, moderate, for 17.42% and microknoll, severe, for 32.49%.

• 其中河岸带和低洼地为轻干扰区，占湿地总面积50.；09%25；倾斜地为中度干扰区，占湿地总面积17