Effects of vegetation restoration on soil erodibility on different geomorphological locations in the loess-tableland and gully region of the Loess Plateau

Zhuo-xin CHEN; Wen-long WANG; Ming-ming GUO; Tian-chao WANG; Wen-zhao GUO; Wen-xin WANG; Hong-liang KANG; Bo YANG; Man ZHAO

doi:10.31497/zrzyxb.20200211

Journals >Journal of Natural Resources >Volume 35 >Issue 2 >Page 387 > Article

Journal of Natural Resources
Vol. 35, Issue 2, 387 (2020)

Effects of vegetation restoration on soil erodibility on different geomorphological locations in the loess-tableland and gully region of the Loess Plateau

Zhuo-xin CHEN¹, Wen-long WANG^1、2、*, Ming-ming GUO¹, Tian-chao WANG¹, Wen-zhao GUO¹, Wen-xin WANG¹, Hong-liang KANG¹, Bo YANG³, and Man ZHAO¹

Author Affiliations

¹State Key Laboratory of Erosion and Dryland Agriculture on the Loess Plateaus, Institute of Soil and Water Conservation, Northwest A&F University, Yangling 712100, Shaanxi, China

²Institute of Soil and Water Conservation, CAS and Ministry of Water Resources, Yangling 712100, Shaanxi, China

³Yellow River Engineering Consulting Co., Ltd, Zhengzhou 450003, China

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DOI: 10.31497/zrzyxb.20200211 Cite this Article

Zhuo-xin CHEN, Wen-long WANG, Ming-ming GUO, Tian-chao WANG, Wen-zhao GUO, Wen-xin WANG, Hong-liang KANG, Bo YANG, Man ZHAO. Effects of vegetation restoration on soil erodibility on different geomorphological locations in the loess-tableland and gully region of the Loess Plateau[J]. Journal of Natural Resources, 2020, 35(2): 387 Copy Citation Text

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Fig. 2. Relationship between membership function and soil erodibility index

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Fig. 3. Variation in comprehensive soil erodibility index with geomorphological location

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Fig. 4. Effect of land use on comprehensive soil erodibility index on different geomorphological locations

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Fig. 5. Correlations between comprehensive soil erodibility index and influencing factors

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Fig. 6. Relationship between observed and predicted values of comprehensive soil erodibility index and the path diagram of comprehensive soil erodibility index and influencing factors

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地貌部位	土地利用	优势种	坡度/(°)	坡向	植被覆盖度	高程/m
塬面	农地	玉米	2	半阴坡	—	1350
	草地	长芒草	9	半阴坡	75	1297
		白蒿	6	半阳坡	75	1287
		苜蓿	2	阴坡	86	1272
		猪毛蒿	3	阳坡	64	1257
		白羊草	8	半阴坡	76	1251
	灌木地	胡枝子	3	半阳坡	90	1358
		沙棘	5	阳坡	86	1314
	林地	山杏	3	阳坡	69	1305
		刺槐	3	阳坡	75	1305
		核桃	2	半阳坡	86	1278
塬坡	农地	小麦	20	阳坡	—	1316
	草地	猪毛蒿	25	阳坡	62	1245
		冰草	30	阳坡	72	1242
		白蒿	29	半阳坡	81	1245
		铁杆蒿	26	阳坡	83	1252
		白羊草	25	半阳坡	92	1254
	灌木地	酸枣	25	半阴坡	74	1243
	林地	刺槐	31	阳坡	54	1238
		侧柏	29	阳坡	44	1225
		山杏	26	半阴坡	53	1240
沟坡	草地	铁杆蒿	65	半阳坡	60	1270
		长芒草	47	半阳坡	46	1170
		白羊草	46	半阳坡	62	1172
	灌木地	胡枝子	36	半阴坡	82	1168
	林地	刺槐	45	半阳坡	48	1182
		山杏	48	半阴坡	82	1150
		山杨	38	半阳坡	56	1155

Table 1. Basic information of land use, topography and vegetation at sampling sites

指标	K	SHC	WMD	OMC
公因子方差	0.87	0.54	0.82	0.91
因子权重	0.28	0.17	0.26	0.29

Table 2. Index system and weight distribution of comprehensive soil erodibility index (CSEI)

评价等级	难	较难	中等	较易	易
综合土壤可蚀性指数	0~0.2	0.2~0.4	0.4~0.6	0.6~0.8	0.8~1

Table 3. Grade division for soil erodibility evaluation

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