青藏高原高山峡谷区建设用地和耕地适宜性评价方法及应用—

青藏高原高山峡谷区建设用地和耕地适宜性评价方法及应用——以林芝市为例

杨华, 徐勇, 王丽佳

Evaluation method and empirical application of construction land suitability and arable land suitability in alpine-gorge region of Qinghai-Tibet Plateau: A case study of Nyingchi city

YANG Hua, XU Yong, WANG Li-jia

表2 不同坡度下坡耕地种植不同作物的土壤侵蚀数据

Table 2 Soil erosion data of sloping arable land planted with different crops under different slopes [t/(km²·a)]

坡度/(°)	苜蓿	玉米	马铃薯	高粱	豆类	5种作物平均值
0	2301.50	3109.16	2243.19	2454.64	2223.24	2466.35
2.5	2303.13	3115.25	2245.15	2457.53	2225.16	2469.24
5	2305.54	3122.70	2247.90	2462.46	2227.94	2473.31
7.5	2526.39	3426.79	2463.54	2702.41	2441.81	2712.19
10	2537.94	3437.75	2467.73	2712.70	2446.26	2720.48
12.5	2798.28	3809.45	2724.16	3010.44	2706.78	3009.82
15	2804.16	3824.59	2730.16	3031.56	2713.28	3020.75
17.5	3249.65	4443.06	3167.20	3626.81	3150.69	3527.48
20	3465.95	4626.70	3392.78	3403.70	3325.36	3642.90
22.5	3820.85	5246.56	3737.78	3803.01	3722.13	4066.07
25	3833.80	5276.59	3759.56	3818.23	3750.78	4087.79
27.5	3959.58	5463.25	3900.33	3946.60	3905.28	4235.01
30	3975.83	5500.00	3933.74	3966.64	3962.90	4267.82