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References

  • Anonymous (1999) UK Biodiversity Group Tranche 2 Action Plans. IV. Invertebrates. English Nature, Peterborough, UK.
  • Asteraki, E.J., Hart, B.J., Ings, T.C. & Manley, W.J. (2004) Factors influencing the plant and invertebrate diversity of arable field margins. Agriculture Ecosystems and Environment, 102, 219231.
  • Backman, J.P.C. & Tiainen, J. (2002) Habitat quality of field margins in a Finnish farmland area for bumblebees (Hymenoptera: Bombus and Psithyrus). Agriculture Ecosystems and Environment, 89, 5368.
  • Banaszak, J. (1980) Studies on methods of censusing the numbers of bees (Hymenoptera: Apoidea). Polish Ecological Studies, 6, 355366.
  • Benton, T.G., Vickery, J.A. & Wilson, J.D. (2003) Farmland biodiversity: is habitat heterogeneity the key? Trends in Ecology and Evolution, 18, 182188.
  • Ter Braak, C.J.F. & Šmilauer, P. (1998) canoco Reference Manual and User's Guide to canoco for Windows: Software for Canonical Community Ordination, Version 4. Microcomputer Power, Ithaca, NY.
  • Brian, A.D. (1951) The pollen collected by bumble-bees. Journal of Animal Ecology, 20, 191194.
  • Buchmann, S.E. & Nabhan, G.P. (1996) The Forgotten Pollinators. Island Press, Washington, DC.
  • Carreck, N.L. & Williams, I.H. (2002) Food for insect pollinators on farmland: insect visits to flowers of annual seed mixtures. Journal of Insect Conservation, 6, 1323.
  • Carvell, C. (2002) Habitat use and conservation of bumblebees (Bombus spp.) under different grassland management regimes. Biological Conservation, 103, 3349.
  • Carvell, C., Meek, W.R., Pywell, R.F. & Nowakowski, M. (2004) The response of foraging bumblebees to successional change in newly created arable field margins. Biological Conservation, 118, 327339.
  • Carvell, C., Westrich, P., Meek, W.R., Pywell, R.F. & Nowakowski, M. (2006) Assessing the value of annual and perennial forage mixtures for bumblebees by direct observation and pollen analysis. Apidologie, 37, 326340.
  • Chapman, R.E., Wang, J. & Bourke, A.F.G. (2003) Genetic analysis of spatial foraging patterns and resource sharing in bumble bee pollinators. Molecular Ecology, 12, 28012808.
  • Corbet, S.A. (1995) Insects, plants and succession: advantages of long-term set-aside. Agriculture Ecosystems and Environment, 53, 201217.
  • Corbet, S.A., Williams, I.H. & Osborne, J.L. (1991) Bees and the pollination of crops and wild flowers in the European Community. Bee World, 72, 4759.
  • Critchley, C.N.R., Allen, D.S., Fowbert, J.A., Mole, A.C. & Gundrey, A.L. (2004) Habitat establishment on arable land: assessment of an agri-environment scheme in England, UK. Biological Conservation, 119, 429442.
  • Defra (2005a) Environmental Stewardship: Entry Level Stewardship Handbook. Department for Environment, Food and Rural Affairs, London, UK.
  • Defra (2005b) Environmental Stewardship: Higher Level Stewardship Handbook. Department for Environment, Food and Rural Affairs, London, UK.
  • Dramstad, W. & Fry, G. (1995) Foraging activity of bumblebees (Bombus) in relation to flower resources on arable land. Agriculture Ecosystems and Environment, 53, 123135.
  • Edwards, M. & Jenner, M. (2005) Field Guide to the Bumblebees of Great Britain and Ireland. Ocelli, Eastbourne, UK.
  • Feber, R.E., Smith, H. & Macdonald, D.W. (1996) The effects on butterfly abundance of the management of uncropped edges of arable fields. Journal of Applied Ecology, 33, 11911205.
  • Free, J.B. (1993) Insect Pollination of Crops, 2nd edn. Academic Press, London, UK.
  • Fuller, R.M. (1987) The changing extent and conservation interest of lowland grasslands in England and Wales: a review of grassland surveys 1930–84. Biological Conservation, 40, 281300.
  • Fussell, M. & Corbet, S.A. (1992) Flower usage by bumble-bees: a basis for forage plant management. Journal of Applied Ecology, 29, 451465.
  • Ghazoul, J. (2005) Buzziness as usual? Questioning the global pollination crisis. Trends in Ecology and Evolution, 20, 367373.
  • Goulson, D. & Darvill, B. (2004) Niche overlap and diet breadth in bumblebees; are rare species more specialized in their choice of flowers? Apidologie, 35, 5563.
  • Goulson, D., Hanley, M.E., Darvill, B., Ellis, J.S. & Knight, M.E. (2005) Causes of rarity in bumblebees. Biological Conservation, 122, 18.
  • Goulson, D., Hughes, W.O.H., Derwent, L.C. & Stout, J.C. (2002) Colony growth of the bumblebee, Bombus terrestris, in improved and conventional agricultural and suburban habitats. Oecologia, 130, 267273.
  • Heinrich, B. (1976) The foraging specializations of individual bumblebees. Ecological Monographs, 46, 105128.
  • Kells, A.R. & Goulson, D. (2003) Preferred nesting sites of bumblebee queens (Hymenoptera: Apidae) in agroecosystems in the UK. Biological Conservation, 109, 165174.
  • Kells, A.R., Holland, J.M. & Goulson, D. (2001) The value of uncropped field margins for foraging bumblebees. Journal of Insect Conservation, 5, 283291.
  • Kleijn, D. & Sutherland, W.J. (2003) How effective are European agri-environment schemes in conserving and promoting biodiversity? Journal of Applied Ecology, 40, 947969.
  • Kleijn, D., Berendse, F., Smit, R. & Gilissen, N. (2001) Agri-environment schemes do not effectively protect biodiversity in Dutch agricultural landscapes. Nature, 413, 723725.
  • Knight, M.E., Martin, A.P., Bishop, S., Osborne, J.L., Hale, R.J., Sanderson, A. & Goulson, D. (2005) An interspecific comparison of foraging range and nest density of four bumblebee (Bombus) species. Molecular Ecology, 14, 18111820.
  • Knop, E., Kleijn, D., Herzog, F. & Bernhard, S. (2006) Effectiveness of the Swiss agri-environment scheme in promoting biodiversity. Journal of Applied Ecology, 43, 120127.
  • Marshall, E.J.R. & Moonen, A.C. (2002) Field margins in northern Europe: their functions and interactions with agriculture. Agriculture Ecosystems and Environment, 89, 521.
  • Marshall, E.J.P. & Nowakowski, M. (1995) Successional changes in the flora of a sown field margin strip managed by cutting and herbicide application. Brighton Crop Protection Conference – Weeds, pp. 973978. British Crop Protection Council, Farnham, Surrey, UK.
  • Meek, B., Loxton, D., Sparks, T., Pywell, R., Pickett, H. & Nowakowski, M. (2002) The effect of arable field margin composition on invertebrate biodiversity. Biological Conservation, 106, 259271.
  • Osborne, J.L. & Corbet, S.A. (1994) Managing habitats for pollinators in farmland. Aspects of Applied Biology, 40, 207215.
  • Osborne, J.L., Clark, S.J., Morris, R.J., Williams, I.H., Riley, J.R., Smith, A.D., Reynolds, D.R. & Edwards, A.S. (1999) A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar. Journal of Applied Ecology, 36, 519533.
  • Ovenden, G.N., Swash, A.R.H. & Smallshire, D. (1998) Agri-environment schemes and their contribution to the conservation of biodiversity in England. Journal of Applied Ecology, 35, 955960.
  • Pollard, E. & Yates, T.J. (1993) Monitoring Butterflies for Ecology and Conservation. Chapman & Hall, London, UK.
  • Prys-Jones, O.E. & Corbet, S.A. (1991) Bumblebees, 2nd edn. Richmond Publishing Co., Slough, UK.
  • Pywell, R.F., Bullock, J.M., Hopkins, A., Walker, K.J., Sparks, T.H., Burke, M.J.W. & Peel, S. (2002) Restoration of species-rich grassland on arable land: assessing the limiting processes using a multi-site experiment. Journal of Applied Ecology, 39, 294309.
  • Pywell, R.F., Warman, E.A., Carvell, C., Sparks, T.H., Dicks, L.V., Bennett, D., Wright, A., Critchley, C.N.R. & Sherwood, A. (2005) Providing foraging resources for bumblebees in intensively farmed landscapes. Biological Conservation, 121, 479494.
  • Pywell, R.F., Warman, E.A., Hulmes, L., Hulmes, S., Nuttall, P., Sparks, T.H., Critchley, C.N.R. & Sherwood, A. (2006) Effectiveness of new agri-environment schemes in providing foraging resources for bumblebees in intensively farmed landscapes. Biological Conservation, 129, 192206.
  • Rasmont, P. (1988) Monographie écologique et zoogéographique des bourdons de France et de Belgique (Hymenoptera: Apidae, Bombinae). PhD thesis. Faculté des Science Agronomique de l’Etat, Gembloux, Belgium.
  • Robinson, R.A. & Sutherland, W.J. (2002) Post-war changes in arable farming and biodiversity in Great Britain. Journal of Applied Ecology, 39, 157176.
  • SAS Institute Inc. (2004) SAS® 9·1·2 Qualification Tools, User's Guide. SAS Institute Inc., Cary, NC.
  • Stace, C. (1997) New Flora of the British Isles. Cambridge University Press, Cambridge, UK.
  • Steffan-Dewenter, I. & Tscharntke, T. (1999) Effects of habitat isolation on pollinator communities and seed set. Oecologia, 121, 432440.
  • Steffan-Dewenter, I., Munzenberg, U., Burger, C., Thies, C. & Tscharntke, T. (2002) Scale-dependent effects of landscape context on three pollinator guilds. Ecology, 83, 14211432.
  • Tscharntke, T., Klein, A.M., Kruess, A., Steffan-Dewenter, I. & Thies, C. (2005) Landscape perspectives on agricultural intensification and biodiversity: ecosystem service management. Ecology Letters, 8, 857874.
  • Walker, K.J., Hodder, K., Bullock, J. & Pywell, R.F. (2004) A Review of the Potential Effects of Seed Sowing for Habitat Re-Creation on the Conservation of Infraspecific Biodiversity. Defra Report BD1447. Centre for Ecology and Hydrology, Huntingdon, UK.
  • Westphal, C., Steffan-Dewenter, I. & Tscharntke, T. (2003) Mass flowering crops enhance pollinator densities at a landscape scale. Ecology Letters, 6, 961965.
  • Westrich, P. (1996) Habitat requirements of central European bees and the problems of partial habitats. The Conservation of Bees (eds A.Matheson, S.L.Buchmann, C.O'Toole, W.P. & I.H.Williams), pp. 1–16. Academic Press, London, UK.
  • Williams, P.H. (1982) The distribution and decline of British bumble bees (Bombus Latr). Journal of Apicultural Research, 21, 236245.
  • Williams, P. (2005) Does specialization explain rarity and decline British bumblebees? A response to Goulson et al. Biological Conservation, 122, 3343.
  • Willmer, P.G., Bataw, A.A.M. & Hughes, J.P. (1994) The superiority of bumblebee to honeybees as pollinators: insect visits to raspberry flowers. Ecological Entomology, 19, 271284.