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汇入淮河中游的大别山区水系,主要有潢河,自露河、灌河、史河、沣河、汲河、淠河、东淝河、瓦埠河、洛河等。从上游山区至沿淮气候温和湿润,平均气温在14℃～16℃,年降水量在800毫米～1800毫米之间;山区土壤为轻酸性,江淮丘陵的黄棕壤地带 PH 值为7.5左右,逐渐向淮干接近中性,适宜白蚁的繁殖危害。建国以来,在大别山区水系上兴建了大量的水利工程。六安地区境内有5大水库,7座中型水库,959座小水库;干支流堤防169.18公里,淠史杭灌区堤防(干渠)759.4公里。这些堤坝工
Imported into the middle reaches of the Huaihe River in the Dabie mountain water system, mainly in the Yellow River, since the Luhe, irrigation, history of the river, the river, Ji River, the river, the East River, Wabu River, Luohe and so on. From the upper reaches of the mountainous area to the mild climate along the Huaihe River, the average temperature is between 14 ℃ and 16 ℃, and the annual precipitation is between 800 mm and 1800 mm. The mountainous soil is light and acidic, and the pH value of yellow-brown soil in Jianghuai hills is about 7.5. Gradually close to the Huai River neutral, suitable for the propagation of termites. Since the founding of the People’s Republic of China, a large number of water conservancy projects have been built in the water system of the Dabie Mountains. There are 5 large reservoirs, 7 medium-sized reservoirs and 959 small reservoirs in the Lu’an area; 169.18 km of dry-branch dike and 759.4 km of embankment (main canal) of Pishihang Irrigation District. These dam workers