12-10  灌溉、水库和除涝、治水情况
Irrigation, Reservoirs, Flood Prevention, Water and Soil Conservation
项      目	Item	2009	2010
灌溉面积(千公顷)	Irrigated Areas (1000 hectares)	3933.54	4031.26
有效灌溉面积	Effective Irrigated Areas	2666.46	2739.25
林地灌溉面积	Irrigated Wooded-land Areas	458.57	483.90
果园灌溉面积	Irrigated Orchard Areas	407.37	425.42
牧草灌溉面积	Irrigated Pasture-land Areas	340.46	326.98
其他灌溉面积	Other Irrigated Areas	60.68	55.71
水库(座)	Number of Reservoirs (unit)	452	450
大型水库	Large Reservoir	13	13
中型水库	Medium-sized Reservoir	86	86
小型水库	Small Reservoir	353	351
水库库容量 (亿立方米)	Capacity of Reservoirs (100 million cu.m)	102.83	102.95
大型水库	Large Reservoir	70.17	70.17
中型水库	Medium-sized Reservoir	25.17	25.32
小型水库	Small Reservoir	7.49	7.46
节水灌溉面积 (千公顷)	Water-saving Irrigated Areas (1000 hectares)	1995.11	2140.68
除涝面积  (千公顷)	Areas wish Flood Prevention Measures (1000 hectares)	39.52	42.92
水土流失治理面积(千公顷)	Area of Soil Erosion under Control (1000 hectares)	336.91	358.85
堤防长度 (公里)	Total Length of Dikes (km)	6717.55	6899.75
堤防保护耕地面积 (千公顷)	Area of Land Protected by Dikes (1000 hectares)	1531.97	1547.45
注: 1.大型水库库容: 1亿立方米以上; 中型水库库容: 1千万至1亿立方米;小型水库库容: 10万至1千万立方米。
2.本表和12-11，12-12表资料由水利厅提供。
Note: a) The capacity of the large reservoirs is over 100 million cubic meters, while that of the medium ones is from 10 million
to 100 million cubic meters, and that of the small ones is from 100 000 to 10 million cubic meters.
b) The data in the table is offered by the Bureau of Water Conservancy, together with table 12-11,12-12.