Developing a method to estimate the costs of soil erosion in high-risk Scottish catchments: final report

Appendix 9.

Detailed tables of the outputs (costs) from the economic model (Ugie catchment as an illustration)

Appendix 9.1. Physical data by land use and Erosion Risk Class for the Ugie catchment. L = Low, M = Moderate, H = High erosion risk class.

Total category areas ( ha)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	116	183	-	21	320
Horticulture	4	9	-	0	13
Arable intensive	36	138	0	3	177
Arable extensive	3,083	8,283	23	733	12,122
Grassland improved	2,356	7,493	53	1,681	11,583
Grassland unimproved	-	0	0	5	5
Rough grassland	147	568	5	922	1,642
Forestry	139	992	10	1,156	2,297
Woodland	122	667	7	219	1,015
Wildscape	18	53	-	634	705
Total	6,021	18,384	99	5,373	29,878

Total areas at risk within categories ( ha)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	1	-	0	1
Arable intensive	1	18	0	1	19
Arable extensive	62	1,077	6	154	1,298
Grassland improved	47	974	13	353	1,387
Grassland unimproved	-	0	0	1	1
Rough grassland	3	74	1	194	271
Forestry	3	129	2	243	377
Woodland	2	87	2	46	137
Wildscape	0	7	-	133	140
Total	118	2,366	24	1,124	3,632

…continued

Appendix 9.1. Physical data by land use and Erosion Risk Class for the Ugie catchment (continued)

Category soil erosion ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	4	-	0	5
Arable intensive	3	77	0	7	88
Arable extensive	148	2,584	13	770	3,515
Grassland improved	141	2,922	38	353	3,455
Grassland unimproved	-	0	0	0	1
Rough grassland	2	55	1	75	134
Forestry	2	77	1	32	112
Woodland	1	52	1	6	60
Wildscape	0	4	-	17	22
Total	298	5,777	55	1,261	7,392

Average Catchment soil erosion ( t ha^-1 yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.08	0.49	-	1.47	0.39
Arable intensive	0.09	0.56	1.03	2.10	0.50
Arable extensive	0.05	0.31	0.58	1.05	0.29
Grassland improved	0.06	0.39	0.72	0.21	0.30
Grassland unimproved	-	0.27	0.50	0.08	0.11
Rough grassland	0.02	0.10	0.18	0.08	0.08
Forestry	0.01	0.08	0.14	0.03	0.05
Woodland	0.01	0.08	0.14	0.03	0.06
Wildscape	0.01	0.08	-	0.03	0.03
Total	0.05	0.32	0.56	0.23	0.25

…continued over

Appendix 9.1. Physical data by land use and Erosion Risk Class for the Ugie catchment (continued)

Soil depth loss ( mm yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.39	0.39	-	2.31	0.42
Arable intensive	0.41	0.42	0.42	3.90	0.49
Arable extensive	0.23	0.24	0.24	2.05	0.34
Grassland improved	0.28	0.30	0.30	0.44	0.31
Grassland unimproved	-	0.20	0.20	0.40	0.38
Rough grassland	0.07	0.07	0.07	0.33	0.22
Forestry	0.06	0.07	0.07	0.08	0.07
Woodland	0.06	0.06	0.07	0.07	0.06
Wildscape	0.06	0.06	-	0.12	0.11
Total	0.24	0.24	0.24	0.51	0.29

Appendix 9.2. On-site productivity losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Catchment soil erosion ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	4	-	0	5
Arable intensive	3	77	0	7	88
Arable extensive	148	2,584	13	770	3,515
Grassland improved	141	2,922	38	353	3,455
Grassland unimproved	-	0	0	0	1
Rough grassland	2	55	1	75	134
Forestry	2	77	1	32	112
Woodland	1	52	1	6	60
Wildscape	0	4	-	17	22
Total	298	5,777	55	1,261	7,392

Total catchment productivity loss due to erosion
(£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	16	245	-	57	318
Arable intensive	10	251	1	71	333
Arable extensive	150	1,795	9	2,169	4,123
Grassland improved	110	2,387	32	1,217	3,745
Grassland unimproved	-	0	0	2	2
Rough grassland	1	22	0	242	265
Forestry	0	11	0	24	36
Woodland	0	4	0	3	7
Wildscape	-	-	-	-	-
Total	287	4,715	42	3,785	8,829

…continued over

Appendix 9.2. On site productivity losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Catchment productivity loss due to erosion in risk area (£ ha^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	216.84	216.38	-	1,281.69	254.5
Arable intensive	14.68	13.99	9.98	98.03	17.1
Arable extensive	2.44	1.67	1.56	14.08	3.2
Grassland improved	2.33	2.45	2.49	3.45	2.7
Grassland unimproved	-	1.14	1.13	2.10	2.0
Rough grassland	0.28	0.30	0.29	1.25	1.0
Forestry	0.07	0.09	0.10	0.10	0.1
Woodland	0.05	0.05	0.06	0.06	0.1
Wildscape	-	-	-	-	-
Total	237	236	16	1,401	281

Appendix 9.2

Total Catchment productivity loss due to erosion in total area (£ ha^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	4.34	28.13	-	269.16	25.4
Arable intensive	0.29	1.82	2.40	20.59	1.9
Arable extensive	0.05	0.22	0.37	2.96	0.3
Grassland improved	0.05	0.32	0.60	0.72	0.3
Grassland unimproved	-	0.15	0.27	0.44	0.4
Rough grassland	0.01	0.04	0.07	0.26	0.2
Forestry	0.00	0.01	0.02	0.02	0.0
Woodland	0.00	0.01	0.01	0.01	0.0
Wildscape	-	-	-	-	-
Total	0.0	0.3	0.4	0.7	0.3

Appendix 9.3. On-site N losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Soil N loss ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	0	-	0	0
Arable intensive	0	0	0	0	1
Arable extensive	1	13	0	14	28
Grassland improved	1	14	0	7	22
Grassland unimproved	-	0	0	0	0
Rough grassland	0	0	0	2	2
Forestry	0	0	0	1	1
Woodland	0	0	0	0	0
Wildscape	0	0	-	0	0
Total	1	28	0	24	54

Total Catchment N loss cost due to erosion (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	1	18	-	4	23
Arable intensive	10	253	1	95	359
Arable extensive	455	8,415	43	9,526	18,439
Grassland improved	436	9,650	126	4,547	14,759
Grassland unimproved	-	0	0	7	7
Rough grassland	7	179	3	1,239	1,428
Forestry	5	297	6	434	743
Woodland	4	179	4	81	268
Wildscape	1	14	-	287	302
Total	919	19,006	184	16,220	36,328

Appendix 9.3. On site N losses and associated costs by land use and Erosion Risk Class for the Ugie catchment (continued)

Average Catchment N loss cost due to erosion (£ ha^-1 risk area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	15.7	15.5	-	87.4	18.1
Arable intensive	14.1	14.1	13.4	132.6	18.5
Arable extensive	7.4	7.8	7.7	61.9	14.2
Grassland improved	9.3	9.9	9.9	12.9	10.6
Grassland unimproved	-	6.8	6.5	6.8	6.8
Rough grassland	2.2	2.4	2.4	6.4	5.3
Forestry	1.8	2.3	2.6	1.8	2.0
Woodland	1.7	2.1	2.5	1.8	2.0
Wildscape	1.7	2.0	-	2.2	2.2
Total	7.9	8.1	7.8	14.4	10.0

Average Catchment N loss cost due to erosion (£ ha^-1 category area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.3	2.0	-	18.4	1.8
Arable intensive	0.3	1.8	3.2	27.8	2.0
Arable extensive	0.1	1.0	1.9	13.0	1.5
Grassland improved	0.2	1.3	2.4	2.7	1.3
Grassland unimproved	-	0.9	1.6	1.4	1.4
Rough grassland	0.0	0.3	0.6	1.3	0.9
Forestry	0.0	0.3	0.6	0.4	0.3
Woodland	0.0	0.3	0.6	0.4	0.3
Wildscape	0.0	0.3	-	0.5	0.4
Total	0.2	1.1	1.9	3.0	1.2

Appendix 9.4. On site P losses and associated costs by land use and Erosion Risk Class for the Ugie catchment. L = low, M - Moderate, H = High erosion risk.

Soil P loss ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.00	0.01	-	0.00	0.02
Arable intensive	0.01	0.23	0.00	0.02	0.26
Arable extensive	0.37	7.07	0.05	1.65	9.14
Grassland improved	0.35	7.93	0.13	0.72	9.12
Grassland unimproved	-	0.00	0.00	0.00	0.00
Rough grassland	0.00	0.13	0.00	0.12	0.26
Forestry	0.00	0.18	0.00	0.06	0.25
Woodland	0.00	0.12	0.00	0.01	0.14
Wildscape	0.00	0.01	-	0.03	0.04
Total	0.74	15.69	0.18	2.62	19.23

Total Catchment P loss cost due to erosion (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	1	10	-	1	11
Arable intensive	6	159	1	13	180
Arable extensive	249	4,811	31	1,125	6,215
Grassland improved	238	5,391	86	490	6,205
Grassland unimproved	-	0	0	0	1
Rough grassland	3	91	2	81	178
Forestry	3	124	3	41	170
Woodland	2	81	2	8	93
Wildscape	0	6	-	19	25
Total	501	10,672	125	1,778	13,076

…continued

Appendix 9.4. On site P losses and associated costs by land use and Erosion Risk Class for the Ugie catchment (continued)

Average Catchment P loss cost due to erosion (£ ha^-1 risk area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	8.41	8.46	-	14.72	8.68
Arable intensive	8.41	8.90	10.65	18.34	9.24
Arable extensive	4.04	4.47	5.62	7.30	4.79
Grassland improved	5.04	5.53	6.72	1.39	4.47
Grassland unimproved	-	3.61	4.84	0.36	0.68
Rough grassland	1.15	1.23	1.75	0.42	0.65
Forestry	0.90	0.96	1.03	0.17	0.45
Woodland	0.83	0.94	1.10	0.17	0.68
Wildscape	0.72	0.83	-	0.14	0.18
Total	4.33	4.55	5.26	1.58	3.63

Average Catchment P loss cost due to erosion (£ ha^-1 category area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.17	1.10	-	3.09	0.86
Arable intensive	0.17	1.16	2.56	3.85	1.01
Arable extensive	0.08	0.58	1.35	1.53	0.51
Grassland improved	0.10	0.72	1.61	0.29	0.54
Grassland unimproved	-	0.47	1.16	0.08	0.14
Rough grassland	0.02	0.16	0.42	0.09	0.11
Forestry	0.02	0.12	0.25	0.04	0.07
Woodland	0.02	0.12	0.26	0.04	0.09
Wildscape	0.01	0.11	-	0.03	0.04
Total	0.09	0.59	1.26	0.33	0.45

Appendix 9.5. On site K losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Soil K loss ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.00	0.00	-	0.00	0.00
Arable intensive	0.00	0.03	0.00	0.00	0.03
Arable extensive	0.05	0.90	0.00	0.50	1.46
Grassland improved	0.05	0.95	0.01	0.26	1.28
Grassland unimproved	-	0.00	0.00	0.00	0.00
Rough grassland	0.00	0.02	0.00	0.06	0.08
Forestry	0.00	0.02	0.00	0.03	0.06
Woodland	0.00	0.02	0.00	0.01	0.02
Wildscape	0.00	0.00	-	0.01	0.02
Total	0.10	1.95	0.02	0.88	2.95

Total Catchment K loss cost due to erosion (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	1	-	0	1
Arable intensive	1	13	0	2	15
Arable extensive	23	407	2	226	658
Grassland improved	22	430	6	117	575
Grassland unimproved	-	0	0	0	0
Rough grassland	0	8	0	28	36
Forestry	0	11	0	16	27
Woodland	0	7	0	2	10
Wildscape	0	1	-	7	7
Total	46	876	9	398	1,329

…continued

Appendix 9.5. On site K losses and associated costs by land use and Erosion Risk Class for the Ugie catchment (continued)

Average Catchment K loss cost due to erosion (£ ha^-1 risk area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.54	0.55	-	1.18	0.57
Arable intensive	0.72	0.73	0.70	2.34	0.79
Arable extensive	0.37	0.38	0.40	1.47	0.51
Grassland improved	0.47	0.44	0.48	0.33	0.41
Grassland unimproved	-	0.29	0.32	0.17	0.18
Rough grassland	0.11	0.10	0.12	0.14	0.13
Forestry	0.09	0.08	0.10	0.06	0.07
Woodland	0.09	0.08	0.10	0.05	0.07
Wildscape	0.10	0.08	-	0.05	0.05
Total	0.40	0.37	0.38	0.35	0.37

Average Catchment K loss cost due to erosion (£ ha^-1 category area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.01	0.07	-	0.25	0.06
Arable intensive	0.01	0.09	0.17	0.49	0.09
Arable extensive	0.01	0.05	0.09	0.31	0.05
Grassland improved	0.01	0.06	0.11	0.07	0.05
Grassland unimproved	-	0.04	0.08	0.04	0.04
Rough grassland	0.00	0.01	0.03	0.03	0.02
Forestry	0.00	0.01	0.02	0.01	0.01
Woodland	0.00	0.01	0.02	0.01	0.01
Wildscape	0.00	0.01	-	0.01	0.01
Total	0.01	0.05	0.09	0.07	0.05

Appendix 9.6. On site C losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Soil C loss ( t yr^-1)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.02	0.36	-	0.09	0
Arable intensive	0.21	5.63	0.03	2.82	9
Arable extensive	10.42	191.87	0.99	348.19	551
Grassland improved	10.05	219.80	2.82	175.22	408
Grassland unimproved	-	0.00	0.01	0.31	0
Rough grassland	0.15	4.06	0.06	56.71	61
Forestry	0.12	7.03	0.15	18.82	26
Woodland	0.10	4.16	0.10	3.34	8
Wildscape	0.02	0.31	-	13.24	14
Total	21	433	4	619	1,077

Total Catchment C loss cost due to erosion (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0	0	-	0	0
Arable intensive	0	4	0	2	6
Arable extensive	7	128	1	232	368
Grassland improved	7	147	2	117	272
Grassland unimproved	-	0	0	0	0
Rough grassland	0	3	0	38	41
Forestry	0	5	0	13	17
Woodland	0	3	0	2	5
Wildscape	0	0	-	9	9
Total	14	289	3	412	718

…continued

Appendix 9.6. On site C losses and associated costs by land use and Erosion Risk Class for the Ugie catchment (continued over)

Average Catchment C loss cost due to erosion (£ ha^-1 risk area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.21	0.21	-	1.28	0.25
Arable intensive	0.20	0.21	0.20	2.61	0.30
Arable extensive	0.11	0.12	0.12	1.51	0.28
Grassland improved	0.14	0.15	0.15	0.33	0.20
Grassland unimproved	-	0.10	0.10	0.21	0.20
Rough grassland	0.03	0.04	0.04	0.20	0.15
Forestry	0.03	0.04	0.04	0.05	0.05
Woodland	0.03	0.03	0.04	0.05	0.04
Wildscape	0.03	0.03	-	0.07	0.06
Total	0.21	0.21	-	1.28

Average Catchment C loss cost due to erosion (£ ha^-1 category area)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.00	0.03	-	0.27	0.02
Arable intensive	0.00	0.03	0.05	0.55	0.03
Arable extensive	0.00	0.02	0.03	0.32	0.03
Grassland improved	0.00	0.02	0.04	0.07	0.02
Grassland unimproved	-	0.01	0.02	0.04	0.04
Rough grassland	0.00	0.00	0.01	0.04	0.02
Forestry	0.00	0.00	0.01	0.01	0.01
Woodland	0.00	0.00	0.01	0.01	0.01
Wildscape	0.00	0.00	-	0.01	0.01
Total	0.00	0.02	0.03	0.08	0.02

Appendix 9.7. Off site costs of sediment removal in rivers and canals, and in drinking water by land use and Erosion Risk Class for the Ugie catchment

Cost of sediment removal in rivers & canals (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	1.41	22.17	-	1.61	25
Arable intensive	15.74	396.83	2.28	37.04	452
Arable extensive	762.22	13,308.59	68.78	3,964.82	18,104
Grassland improved	727.94	15,049.96	197.12	1,817.66	17,793
Grassland unimproved	-	0.31	0.58	1.99	3
Rough grassland	11.37	285.05	4.55	388.79	690
Forestry	8.59	398.47	7.63	162.55	577
Woodland	7.57	267.85	4.88	30.74	311
Wildscape	1.13	21.09	-	89.10	111
Total	1,536	29,750	286	6,494	38,066

Cost of sediment removal in drinking water (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	5	77	-	6	88
Arable intensive	55	1,387	8	129	1,579
Arable extensive	2,664	46,515	240	13,858	63,278
Grassland improved	2,544	52,602	689	6,353	62,188
Grassland unimproved	-	1	2	7	10
Rough grassland	40	996	16	1,359	2,411
Forestry	30	1,393	27	568	2,018
Woodland	26	936	17	107	1,087
Wildscape	4	74	-	311	389
Total	5,368	103,982	999	22,699	133,048

Appendix 9.8. Off site costs of N losses and associated costs by land use and Erosion Risk Class for the Ugie catchment

Cost of N in rivers and lakes (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.32	4.98	-	1.11	6
Arable intensive	2.84	71.62	0.39	27.04	102
Arable extensive	129.13	2,386.34	12.20	2,701.39	5,229
Grassland improved	123.60	2,736.61	35.66	1,289.51	4,185
Grassland unimproved	-	0.06	0.10	1.91	2
Rough grassland	1.88	50.89	0.79	351.27	405
Forestry	1.45	84.32	1.82	122.99	211
Woodland	1.21	50.89	1.14	22.88	76
Wildscape	0.17	3.96	-	81.52	86
Total	261	5,390	52	4,600	10,302

Appendix 9.8 (continued)

Cost of N in transitional waters (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.02	0.26	-	0.06	0
Arable intensive	0.15	3.77	0.02	1.42	5
Arable extensive	6.80	125.60	0.64	142.18	275
Grassland improved	6.51	144.03	1.88	67.87	220
Grassland unimproved	-	0.00	0.01	0.10	0
Rough grassland	0.10	2.68	0.04	18.49	21
Forestry	0.08	4.44	0.10	6.47	11
Woodland	0.06	2.68	0.06	1.20	4
Wildscape	0.01	0.21	-	4.29	5
Total	14	284	3	242	542

Appendix 9.8. Off site costs of N losses and associated costs by land use and Erosion Risk Class for the Ugie catchment (continued)

Cost of N in drinking water (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	0.34	5.32	-	1.18	7
Arable intensive	3.04	76.53	0.42	28.89	109
Arable extensive	137.97	2,549.62	13.04	2,886.22	5,587
Grassland improved	132.06	2,923.85	38.10	1,377.74	4,472
Grassland unimproved	-	0.06	0.11	2.04	2
Rough grassland	2.00	54.38	0.84	375.31	433
Forestry	1.54	90.09	1.94	131.41	225
Woodland	1.29	54.38	1.21	24.45	81
Wildscape	0.19	4.23	-	87.10	92
Total	278	5,758	56	4,914	11,007

Appendix 9.9. Off site costs of P in freshwater lakes by land use and Erosion Risk Class for the Ugie catchment

Cost of P in freshwater lakes (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	1.48	23.37	-	1.60	26
Arable intensive	14.58	388.92	2.67	32.18	438
Arable extensive	607.11	11,736.30	76.34	2,743.90	15,164
Grassland improved	579.81	13,151.80	209.30	1,196.29	15,137
Grassland unimproved	-	0.26	0.64	0.88	2
Rough grassland	8.22	221.84	5.04	198.63	434
Forestry	6.11	301.66	6.19	100.01	414
Woodland	4.98	197.91	4.24	18.84	226
Wildscape	0.64	13.79	-	46.62	61
Total	1,223	26,036	304	4,339	31,902

Appendix 9.10 Off-site costs of GHG losses and associated costs for the Ugie catchment

GHG cost of soil C loss (£)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	1.15	17.93	-	4.26	23
Arable intensive	10.71	281.22	1.57	140.79	434
Arable extensive	519.92	9,576.68	49.20	17,378.80	27,525
Grassland improved	501.71	10,970.45	140.82	8,745.66	20,359
Grassland unimproved	-	0.22	0.40	15.59	16
Rough grassland	7.68	202.81	3.15	2,830.48	3,044
Forestry	6.05	350.75	7.60	939.47	1,304
Woodland	5.21	207.79	4.75	166.87	385
Wildscape	0.77	15.56	-	661.05	677
Total	1,053	21,623	207	30,883	53,767

Appendix 9.11 Total Onsite costs by land use and Erosion Risk Class for the Ugie catchment

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	17	273	-	62	352
Arable intensive	27	679	4	183	893
Arable extensive	884	15,555	86	13,277	29,803
Grassland improved	812	18,004	251	6,489	25,556
Grassland unimproved	-	0	1	10	11
Rough grassland	11	302	5	1,628	1,947
Forestry	8	447	10	527	992
Woodland	7	275	6	96	384
Wildscape	1	20	-	322	343
Total	1,768	35,557	362	22,594	60,281

Appendix 9.12. Total Offsite costs by land use and Erosion Risk Class for the Ugie catchment (including drinking water treatment)

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	10	151	-	15	177
Arable intensive	102	2,606	15	397	3,120
Arable extensive	4,827	86,199	461	43,675	135,161
Grassland improved	4,616	97,578	1,312	20,848	124,354
Grassland unimproved	-	2	4	29	35
Rough grassland	71	1,814	30	5,522	7,437
Forestry	54	2,622	52	2,031	4,759
Woodland	47	1,718	33	372	2,170
Wildscape	7	133	-	1,281	1,421
Total	9,733	192,823	1,907	74,171	278,634

Appendix 9.13. Total costs by land use and Erosion Risk Class for the Ugie catchment

Land use	Erosion Risk Classes				Total
	L	M	H	Organomineral soils and Peats
Urban	-	-	-	-	-
Horticulture	27	425	-	77	529
Arable intensive	129	3,285	19	579	4,013
Arable extensive	5,712	101,754	546	56,952	164,964
Grassland improved	5,428	115,582	1,563	27,337	149,910
Grassland unimproved	-	2	5	39	46
Rough grassland	82	2,116	36	7,150	9,384
Forestry	62	3,070	61	2,558	5,752
Woodland	54	1,993	39	468	2,554
Wildscape	8	153	-	1,603	1,764
Total	11,501	228,380	2,270	96,764	338,915