12-6  Irrigation, Reservoirs, Flood Prevention, Water and Soil Conservation|12-6Irrigation,Reservoirs,FloodPrevention,WaterandSoilConservation|Item|2000|2005|2010|2013|2014||NumberofIrrigatedAreasatYear-end(set)|5683|5860|5795|7709|7706|33000HectaresandOver|101|117|131|176|176|20000-33000Hectares|141|170|218|280|280|EffectiveIrrigatedArea(10000hectares)|2449.3|2641.9|2941.5|3021.6|3021.6|33000HectaresandOver|788.3|1023|1091.8|624.1|624.1|20000-33000Hectares|344|408|474|501|501|NumberofReservoirs(unit)|85120|85108|87873|97721|97735|LargeReservoir|420|470|552|687|697|Medium-sizedReservoir|2704|2934|3269|3774|3799|SmallReservoir|81996|81704|84052|93260|93239|CapacityofReservoirs(100millioncu.m)|5184|5624|7162|8298|8396|LargeReservoir|3842|4197|5594|6529|6618|Medium-sizedReservoir|746|826|930|1070|1077.13738|SmallReservoir|594|602|638|699|700.517482|Water-savingIrrigatedArea(10000hectares)|1638.9|2133.8|2731.4|2710.9|2901.876|AreaswithFloodPreventionMeasures(10000hectares)|2098.9|2133.9|2169.2|2194.3|2236.934|AreaofSoilErosionunderControl(10000hectares)|8096|9465|10680|10689.2|11160.93|TotalLengthofDikes(10000km)|27|27.7|29.4|27.5|28.4425|AreaofLandProtectedbyDikes(10000hectares)|3960|4412|4683.1|4031.7|4279.4||a)Thecapacityofthelarge-scalereservoirisover100millioncubicmeters,whilethatofthemedium-scaleoneisfrom10to100millioncubicmeters,|andthatofthesmall-scaleoneisfrom100000to10millioncubicmeters.