Integration of sheep production and nature conservation: Experimental management

Journal of Environmental Management

Volumn 50, Issue 2, 1997, Pages 193-210

  Treweek, Joanna R ^a,b   Watt, Trudy A ^a,c   Hambler, Clive ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b CENTRE FOR ECOLOGY AND HYDROLOGY   (United Kingdom)

^c IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

Invertebrates; Sheep production; Soil seed bank; Sward height; Vegetation

Indexed keywords

AGRICULTURE; ANIMALS; VEGETATION;

ARABLE CROPS; ENGLAND; INVERTEBRATE; PLANT SPECIES; SEED SOURCE; SHEEP GRAZINGS; SHEEP PRODUCTION; SOIL SEED BANK; SPECIES RICHNESS; SWARD HEIGHT;

CONSERVATION;

AGRICULTURE; ARTICLE; ENVIRONMENTAL PROTECTION; INVERTEBRATE; NONHUMAN; SEASON; SHEEP; UNITED KINGDOM; WINTER;

INVERTEBRATA; OVIS ARIES;

CONSERVATION; GRASSLAND; GRASSLAND IMPACT; GRASSLAND MANAGEMENT; GRAZING; LIVESTOCK MANAGEMENT; LOWLAND; NATURE CONSERVATION; SHEEP; SHEEP GRAZING; SWARD HEIGHT;

UK, ENGLAND, OXFORDSHIRE, OXFORD;

EID: 0031150168     PISSN: 03014797     EISSN: None     Source Type: Journal    
DOI: 10.1006/jema.1996.0102     Document Type: Article

References (58)

1. Andrzejewska, L. (1965). Stratification and its dynamics in meadow communities of Auchenorhyncha (Homoptera). Ekologika Polska A 13, 685-715.
2. Anon (1985). SAS Users' guide: Statistics. Version 5. Cary N.C. USA: SAS Institute Inc.
3. Bakker, J. P. (1989). Nature Management by Cutting and Grazing. London: Kluwer Academic Publishers.
4. Barthram, G. T. (1984). Experimental techniques: the HFRO Swards tick. Biennial Report. 1984-1986. HFRO: Edinburgh, 29-30.
5. Bircham, J. S. and Hodgson, J. (1983). The influence of sward conditions on rates of herbage growth and senescence in mixed species swards under continuous stocking management. Grass and Forage Science 38, 323-331.
6. Black, J. L. and Kenney, P. A. (1984). Factors affecting diet selection by sheep, 2: height and density of pasture. Australian Journal of Agricultural Research 35, 565-578.
7. Bullock, J. M., Clear Hill, B., Dale, M. P. and Silvertown, J. (1994). An experimental study of the effects of sheep grazing on vegetation change in a species-poor grassland and the role of seedling recruitment into gaps. Journal of Applied Ecology 31, 493-507.
8. Chancellor, R. J. (1966). The Identification of Weed Seedlings of Farm and Garden. Oxford: Blackwell.
9. Clapham, A. R., Tutin, T. G. and Moore, D. M. (1987). Flora of the British Isles, 3rd edn. U.K.: Cambridge University Press.
10. Clough, P. (1996). Nurturing nature and economising with the environment-observations from biodiversity conservation in England. Paper presented to the Environmental Economics Forum, 1996. Peterborough: English Nature.
11. Deltschev, E. J. and Kajak, A. (1974). Analysis of a sheep pasture ecosystem in the Pieniny mountains (the Carpathians) XVI. Effect of pasture management on the number and biomass of spiders (Araneae) in two climatic regions (the Pieniny and the Sredna gora mountains). Ekologika Polska 22, 693-710.
12. Dietrick, E. J. (1961). An improved backpack motor fan for suction sampling of insect populations. Journal of Economic Entomology 54, 394-395.
13. Ellenberg, H. (1988). Vegetation ecology of Central Europe. 4th edn. U.K.: Cambridge University Press.
14. Gibson, C. W. D., Brown, V. K. and Jepsen, M. (1987a). Relationships between the effects of insect herbivory and sheep grazing on seasonal changes during early old field succession. Vegetatio 70, 245-253.
15. Gibson, C. W. D., Dawkins, H. C., Brown, V. K. and Jepsen, M. (1987b). Spring grazing by sheep: effects on seasonal changes during early old field succession. Vegetatio 43, 165-183.
16. Gibson, C. W. D., Watt, T. A. and Brown, V. K. (1987c). The use of sheep grazing to recreate species-rich grassland from abandoned arable land. Biological Conservation 42, 165-183.
17. Gibson, C. W. D., Brown, V. K., Losito, L. and McGavin, G. C. (1992a). The response of invertebrate assemblages to grazing. Ecography 15, 166-176.
18. Gibson, C. W. D., Hambler, C. and Brown, V. K. (1992b). Changes in spider (Araneae) assemblages in relation to succession and grazing management. Journal of Applied Ecology 29, 132-142.
19. Grant, S. A. Barthram, G. T., Torvell, L., King, J. and Smith, H. K. (1983). Sward management, lamina turnover and tiller production in continuously stocked Lolium perenne dominated swards. Grass and Forage Science 38, 333-344.
20. Grant, S. A., Suckling, D. E., Smith, H. K., Torvell, T. D., Forbes, D. A. and Hodgson, J. (1985). Comparative studies of diet selection by sheep and cattle: the hill grasslands. Journal of Ecology 73, 987-1004.
21. Green, B. H. (1989). Countryside Conservation. Resource Management Series 3. pp 109-114. London: George Allen & Unwin.
22. Haggar, R. J. and Peel, S. (1994). (eds) Grassland Management and Nature Conservation. Hurley: British Grassland Society Occasional Symposium No. 28.
23. Hambler, C. and Speight, M. R. (1995). Biodiversity conservation in Britain: science replacing tradition. British Wildlife 6, 137-147.
24. Hatton, J. and Carpenter, A. T. (1986). An empirical test of the mass effect determinant of species richness. Vegetatio 68, 33-36.
25. Hill, M. O., Evans, D. F. and Bell, S. A. (1992). Long-term effects of excluding sheep from hill pastures in North Wales. Journal of Ecology 80, 1-13.
26. Hodgson, J. (1986). Grazing behaviour and herbage intake. In Grazing (J. Frame, ed.) pp. 129-137. Hurley: British Grassland Society.
27. Hodgson, J., Mackie, C. K. and Parker, J. W. G. (1986). Sward surface heights for efficient grazing. Grass Farmer 24, 5-10.
28. Jefferson, R. G. and Usher, M. B. (1989). Seed rain dynamics in disused chalk quarries in the Yorkshire Wolds, England, with special reference to nature conservation. Biological Conservation 47, 123-136.
29. Jones, M. G. (1933). Grassland management and its influence on the sward. Empire Journal of Experimental Agriculture 1, 43-57; 122-128; 223-234; 361-367.
30. Kydd, D. D. (1964). The effect of different systems of cattle grazing on the botanical composition of permanent downland pasture. Journal of Ecology 52, 139-149.
31. Large, R. V. and King, N. (1978). The integrated use of land for agricultural and amenity purposes. Lamb production from Soay sheep used to control scrub and improve the grass cover of chalk downland. Technical Report 25. Hurley: Grassland Research Institute.
32. Mackie, C. K., Keeling, B. J., King, M. E. and Watt, C. W. (1986). An assessment of a system for maintaining SSH on target under continuous stocking with sheep. In Efficient Sheep Production from Grass (G.E. Pollott, ed.) pp. 161-164. Occasional Symposium No. 21, British Grassland Society.
33. Maxwell, T. J. and Treacher, T. T. (1986). Decision rules for grassland management. In Efficient Sheep Production from Grass (G.E. Pollott, ed.) pp. 67-78. BGS Occasional Symposium No. 21. Hurley: British Grassland Society.
34. McLaren, D. P. (1987). Chalk grassland: a review of management experience. MSc Thesis, University of London: Wye College.
35. Milton, W. E. J. (1940). The effect of manuring, grazing and cutting on the yield, botanical and chemical composition of natural hill pastures. Journal of Ecology 28, 326-356.
36. Morris, M. G. (1971a). The management of grassland for the conservation of invertebrate animals. In Scientific Management of Animal and Plant Communities for Conservation (E. Duffey and A.S. Watt, eds) pp. 527-552. London: Blackwell Scientific Publications.
37. Morris, M. G. (1971b). Differences between the invertebrate fauna of grazed and ungrazed grassland. 4. Abundance and diversity of Homoptera-Auchenorhyncha. Journal of Applied Ecology 8, 37-52.
38. Morris, M. G. (1973). The effect of seasonal grazing on the Heteroptera and Auchenorhyncha (Hemiptera) of chalk grassland. Journal of Applied Ecology 10, 761-780.
39. Morris, M. G. and Rispin, W. E. (1987). A beetle fauna of oolitic limestone grassland and the responses of species to conservation management by different cutting regimes. Biological Conservation 43, 87-105.
40. Nature Conservancy Council (1984). Nature Conservation in Great Britain. Peterborough: Nature Conservancy Council.
41. Norman, M. J. T. (1960). The relationship between competition and defoliation in pasture. Journal of the British Grassland Society 15, 145-149.
42. Orr, R. J., Parsons, A. J., Penning, P. D. and Treacher, T. T. (1990). Sward composition, animal performance and the potential production of grass/white clover swards continuously stocked with sheep. Grass and Forage Science 45, 325-336.
43. Parsons, A. J. and Johnson, I. R. (1986). The physiology of grass growth under grazing. In Grazing (J. Frame, ed.) pp. 3-13. Occasional Symposium No. 19, Hurley: British Grassland Society.
44. Pollott, G. E. (1985). Grassland utilisation by British sheep flocks. In Grazing (J. Frame, ed.) pp. 143-146. Occasional Symposium No. 19. Hurley: British Grassland Society.
45. Silvertown, J., Watt, T. A., Smith, B. and Treweek, J. R. (1992). Complex interactions between sowing date and grazing treatment in the establishment of a grassland annual. Journal of Vegetation Science 3, 35-40.
46. Smith, A. (1979). Changes in botanical composition and yield in a long term experiment. In Changes in Sward Composition and Productivity (A.H. Charles and R.J. Haggar, eds) pp. 69-75. Hurley: British Grassland Society.
47. Stapledon, R. G. (1946). The Ploughing up Policy and Ley Farming. London: Faber and Faber.
48. Stobbs, T.H. (1973). The effects of plant structure on the intake of tropical pastures. II. Differences in sward structure, nutritive value and bite size of animals grazing Setaria anceps and Chloris gayana at various stages of growth. Australian Journal of Agricultural Research 24, 821-829.
49. Tallowin, J. R. B., Williams, J. H. H. and Large, R. V. (1986). Some consequences of imposing different continuous grazing pressures in the spring on sward morphology, herbage quality and the performance of young beef cattle. Journal of Agricultural Science 106, 129-139.
50. Thiele-Wittig, H. C. (1974). Maintenance of previously cultivated land not now used for agriculture. Agriculture and the Environment 1, 129-137.
51. Treweek, J. R. (1990). The ecology of sheep grazing: its use in nature conservation management of lowland neutral grassland. D. Phil. Thesis, University of Oxford.
52. van Valen, L. (1974). Predation and species diversity. Journal of Theoretical Biology 44, 19-21.
53. Walloff, N. and Solomon, M.G. (1973) Leafhoppers (Auchenorhyncha, Homoptera) of acidic grassland. Journal of Applied Ecology 10, 189-212.
54. Watt, T.A., Treweek, J.R. and Woolmer, F.S. (1996) An experimental study of the impact of seasonal sheep grazing on formerly fertilised grassland. Journal of Vegetation Science 7, 535-542.
55. Webb, N. R. and Thomas, J. A. (1994) Conserving insect habitats in heathland biotopes: a question of scale. In Large-Scale Ecology and Conservation Biology (P. J. Edwards, R. M. May and N. R. Webb eds) pp. 129-151. Oxford: Blackwell Scientific Publications.
56. Wells, T. C. E. (1969). Botanical aspects of conservation management of chalk grasslands. Biological Conservation 2, 36-44.
57. Wells, T. C. E. (1980). Management options for lowland grassland. In Amenity Grassland: an Ecological Perspective (I. H. Rorison and R. Hunt, eds) pp. 165-196. Chichester: Wiley.
58. Whitby, M. (1996). The European Environment and CAP reform. Oxford: CAB International.