11-10  灌溉、水库和除涝、治水、治碱情况
Irrigation, Reservoirs, Flood Prevention, Water and Soil Conservation and Improvement of Saline-Alkaline Land
项      目	Item	2000	2005
灌溉面积(千公顷)	Irrigated Areas (1000 hectares)	3388	3532
有效灌溉面积	Effective Irrigated Areas	2257	2334
林地灌溉面积	Irrigated Wooded-land Areas	426	556
果园灌溉面积	Irrigated Orchard Areas	142	187
牧草灌溉面积	Irrigated Pasture-land Areas	439	409
其他灌溉面积	Other Irrigated Areas	124	46
水库(座)	Number of Reservoirs (unit)	373	387
大型水库	Large-scale Reservoir	6	9
中型水库	Medium-scale Reservoir	69	90
小型水库	Small-scale Reservoir	298	288
水库库容量 (亿立方米)	Capacity of Reservoirs (100 million cu.m)	39.25	53.08
大型水库	Large-scale Reservoir	13.22	20.51
中型水库	Medium-scale Reservoir	19.88	26.67
小型水库	Small-scale Reservoir	6.15	5.9
节水灌溉面积 (千公顷)	Water-saving Irrigated Areas (1000 hectares)	1265.94	1460.93
除涝面积  (千公顷)	Flooded or Waterlogged Areas (1000 hectares)	37.81	36.42
水土流失治理面积(千公顷)	Area of Soil Erosion under Control (1000 hectares)	68.78	211.28
盐碱耕地改良面积(千公顷)	Improved Area of Saline-Alkaline Land (1000 hectares)	502.85	476.22
堤防长度 (公里)	Total Length of Dikes (km)	5129	6423.42
堤防保护耕地面积 (千公顷)	Area of Land Protected by Dikes (1000 hectares)	1167	1409.06
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11-11，11-12表资料由水利厅提供。
3.本表2000年数据不含兵团。
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 11-11,11-12.
c) The data in 2000 exclude that for Xinjiang Production and Construction Group.