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OPTION 49: MANAGEMENT OF SITE OF ARCHAEOLOGICAL OR HISTORIC INTEREST (Visible at ground level)
Activity | £ per ha |
Control of burrowing animals | £117.32 |
Bracken control | £26.90 |
Scrub removal & control | £8.64 |
Maintaining uncultivated buffer zone | £63.99 |
Other additional management | £39.10 |
Total Additional Cost: | £255.95 |
Contol of burrowing animalsLabour for eradicating heavy rabbit infestation in an area of 0.25 hectares: 8 hours initial gassing followed by two 4 hour sessions follow-up gassing and shooting. Sixteeen hours per quarter hectare equates to 64 hours per hectare per annum | £ 500.48 | per ha | |
| Fumigant (based on 12 flasks of Phostoxin per hectare per annum at an average price of £19.40 per flask) | £ 232.80 | |
| Total | £ 733.28 | |
| Historic Scotland monument warden data shows that approximately 16% of monuments have burrowing animal infestations | | |
| Cost per annum x 16% | £ 117.32 | per ha |
Scrub control | Spraying | £ 13.60 | per ha |
| Herbicide | £ 8.00 | |
| Total | £ 21.60 | per ha |
| 2x per 5 yrs | £ 43.20 | |
| Cost per annum | £ 8.64 | per ha |
Bracken control | | | | | | | | £ | per ha |
Years 1 to 5: Spot-treat bracken growth and re-growth | 5 | operators | 0.25 | hour per hectare @ | £6.80 | per hr per ha spot-treated | | 8.50 | |
| Years 1 to 5: Cost of machinery & materials to carry out general maintenance and spot treatment | Year 1: | £36.00 | per hectare | | | | | |
| | Years 2 to 5: | £14.00 | per hectare | | | | | |
| | | | | | | Average annual machinery & materials cost for yrs 1 to 5: | 18.40 | |
| Total cost per annum | | | | | | | 26.90 | |
Stock control | | | | | | |
to compensate for additional management costs, e.g. more frequent stock movement. Additional 5 hrs management per hectare per year assumed. | | | | | | |
Additional Costs: | 5 | hours additional management per ha | £7.82 | per hour | 39.10 | per hectare |
Maintaining uncultivated buffer zone around upstanding site in arable land |
Average Gross margin for Cereals production: | | | £ | per ha |
| Winter Wheat | £434.00 | per ha | | |
| Winter Barley | £385.00 | | | |
| Spring Barley | £282.00 | | | |
| Gross Margin average: | | | 367.00 | |
| 100% loss of income: | | | 367.00 | |
Additional costs: | Sowing of Grass seed (see detail below): | £164.60 | | | |
| Cost spread over 5 years | | | £32.92 | |
Total: | | | | £399.92 | per ha |
Historic Scotland monument warden data shows that approximately 16% of upstanding sites are located in arable land |
Cost per ha per annum x 16% | £63.99 | per hectare |
Sowing Costs | Creating sterile seed bed | £ 13.60 | per ha |
| Seed (permanent grass) | 90.00 | |
| Fertiliser | 61.00 | |
| | 164.60 | per ha |
DATE OF LAST CHANGE: | 22/11/06 |
Calculation
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