Table 5. The benefits of water reduction in field controlled and uncontrolled small watersheds %.

Water System	Watershed Name	Area (km2)	Condition	Representative Type Area	Year	Benefits δ(%)
Kuye River	Mengjiagou	2.03	Controlled	Earth-rocky Mountainous Area	1959∼1961	42.64
	Yangyagou	1.88	Uncontrolled
Yuxi River	Qingcaogou	0.373	Controlled	Half sandstorm area	1959∼1960	88.19
	Wangjiagou	0.434	Uncontrolled
	Tiaogou	0.7677	Controlled		1959∼1961	16.51
	Lijiagou	0.693	Uncontrolled
Wuding River	Jiuyuangou	70.1	Controlled	Loess Hilly and Gully Region	1959∼1969	16.88
	Peijiamaogou	41.2	Uncontrolled
	Xiangtagou	0.454	Controlled		1958∼1961	23.70
	Tuanyuangou	0.491	Uncontrolled
	Wangmaozhuanggou	5.967	Controlled		1962∼1963	43.70
	Lijiazhaigou	5.45	Uncontrolled
Yanhe River	Dabiangou	3.7	Controlled		1963∼1967	39.63
	Xiaobiangou	3.925	Uncontrolled
Luohe River	Sigou	4.37	Controlled	gully region of loess plateau	1959∼1961	57.98
	Nangou	5.11	Uncontrolled
Juhe River	Guanzhuanggou	3.39	Controlled		1959∼1961	57.98
	Yuanguzhuanggou	2.82	Uncontrolled
Luohe River	Xingshugou	0.522	Controlled	Loess Hilly and Gully Region	1958∼1961	83.62
	Beilougou	0.334	Uncontrolled
Jinghe River	Fengyugou	1.176	Controlled		1958∼1960	14.71
	Wangjiagou	0.874	Uncontrolled
Chanhe River	Yaojiagou	7.815	Controlled	Terrace region of loess plateau	1960∼1961	64.99
	Dicungou	4.4	Uncontrolled
Average						44.09