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References

  • Aizen, M.A. & Feinsinger, P. (1994) Habitat fragmentation, native insect pollinators, and feral honey bees in Argentine ‘chaco serrano’. Ecological Applications, 4, 378392.
  • Axelrod, D.I. (1960) The evolution of flowering plants. Evolution After Darwin, Vol. I: The Evolution of Life (ed. S.Tax), pp. 227305. University of Chicago Press, Chicago, IL, USA.
  • Banaszak, J. (1992) Strategy for conservation of wild bees in an agricultural landscape. Agriculture, Ecosystems and Environment, 40, 179192.
  • Banaszak, J. (1996) Ecological bases of conservation of wild bees. The Conservation of Bees. Linnean Society Symposium Series 18 (eds A. Matheson, S.L. Buchmann, C. O'Toole, P. Westrich & I.H. Williams), pp. 5562. Academic Press, London.
  • Benton, T.G., Vickery, J.A. & Wilson, J.D. (2003) Farmland biodiversity: is habitat heterogeneity the key? Trends in Ecology and Evolution, 18, 182188.
  • Biesmeijer, J.C., Roberts, S.P.M., Reemer, M. et al . (2006) Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands. Science, 313, 351354.
  • Blanche, K.R., Ludwig, J.A. & Cunningham, S.A. (2006) Proximity to rainforest enhances pollination and fruit set in macadamia and longan orchards in north Queensland, Australia. Journal of Applied Ecology, 43, 11821187.
  • Buchmann, S.L. & Nabhan, G.P. (1996) The Forgotten Pollinators. Island Press, Washington, DC.
  • Cane, J.H. (1997) Lifetime monetary value of individual pollinators: the bee Habropoda laboriosa at rabbiteye blueberry (Vaccinium ashei Reade). Acta Horticultura, 446, 6770.
  • Cane, J.H., Minckley, R., Kervin, L., Roulston, T. & Williams, N. (2006) Complex responses within a desert bee guild (Hymenoptera: Apiformes) to urban habitat fragmentation. Ecological Applications, 16, 632644.
  • Chacoff, N.P. & Aizen, M.A. (2006) Edge effects on flower-visiting insects in grapefruit plantations bordering premontane subtropical forest. Journal of Applied Ecology, 43, 1827.
  • Colegrave, N. & Ruxton, G.D. (2005) Confidence intervals are a more useful complement to nonsignificant tests than are power calculations. Behavioral Ecology, 14, 446450.
  • Delaplane, K.S. & Mayer, D.F. (2000) Crop Pollination by Bees. CABI Publishing, Wallingford, UK.
  • Donald, P.F. & Evans, A.D. (2006) Habitat connectivity and matrix restoration: the wider implications of agri-environment schemes. Journal of Applied Ecology, 43, 209218.
  • Eltz, T., Bruhl, C.A., Van Der Kaars, S. & Linsenmair, K.E. (2002) Determinants of stingless bee nest density in lowland dipterocarp forests of Sabah, Malaysia. Oecologia, 131 (1), 2734.
  • Ghazoul, J. (2005) Buzziness as usual? Questioning the global pollination crisis. Trends in Ecology and Evolution, 20, 367373.
  • Greenleaf, S.S. & Kremen, C. (2006a) Wild bee species increase tomato production but respond differently to surrounding land use in Northern California. Biological Conservation, 133, 8187.
  • Greenleaf, S.S. & Kremen, C. (2006b) Wild bees enhance honey bees’ pollination of hybrid sunflower. Proceedings of the National Academy of Sciences, USA, 103 (37), 1389013895.
  • Greenleaf, S.S., Williams, N., Winfree, R. & Kremen, C. (2007) Bee foraging ranges and their relationship to body size. Oecologia, 153, 589596.
  • Heard, T.A. & Exley, E.M. (1994) Diversity, abundance, and distribution of insect visitors to macadamia flowers. Environmental Entomology, 23, 91100.
  • Heinrich, B. (1976) Flowering phenologies: bog, woodland, and disturbed habitats. Ecology, 57, 890899.
  • Hilborn, R. & Mangel, M. (1997) The Ecological Detective: Confronting Models with Data. Princeton University Press, Princeton, NJ, USA.
  • Hole, D.G., Perkins, A.J., Wilson, J.D., Alexander, I.H., Grice, P.V. & Evans, A.D. (2005) Does organic farming benefit biodiversity? Biological Conservation, 122, 113130.
  • Holland, J.D., Bert, D.G. & Fahrig, L. (2004) Determining the spatial scale of species’ response to habitat. Bioscience, 54, 227233.
  • Hurd, P.D.J. (1979) Superfamily Apoidea. Catalog of Hymenoptera in America North of Mexico (eds K. V.Krombein, P.D. J.Hurd, D.R.Smith & B.D.Burks), pp. 17412209. Smithsonian Institution Press, Washington, DC.
  • Kearns, C.A., Inouye, D.W. & Waser, N.M. (1998) Endangered mutualisms: the conservation of plant–pollinator interactions. Annual Review of Ecology and Systematics, 29, 83112.
  • Kercher, S.M., Frieswyk, C.B. & Zedler, J.B. (2003) Effects of sampling teams and estimation methods on the assessment of plant cover. Journal of Vegetation Science, 14, 899906.
  • Kleijn, D., Baquero, R.A., Clough, Y. et al . (2006) Mixed biodiversity benefits of agri-environment schemes in five European countries. Ecology Letters, 9, 243254.
  • Klein, A.-M., Steffan-Dewenter, I., Buchori, D. & Tscharntke, T. (2002) Effects of land-use intensity in tropical agroforestry systems on coffee flower-visiting and trap-nesting bees and wasps. Conservation Biology, 16, 10031014.
  • Klein, A.M., Steffan-Dewenter, I. & Tscharntke, T. (2003a) Fruit set of highland coffee increases with the diversity of pollinating bees. Proceedings of the Royal Society of London, Series B: Biological Sciences, 270, 955961.
  • Klein, A.M., Steffan-Dewenter, I. & Tscharntke, T. (2003b) Pollination of Coffea canephora in relation to local and regional agroforestry management. Journal of Applied Ecology, 40, 837845.
  • Klein, A.M., Vaissière, B.E., Cane, J.H. et al . (2007) Importance of pollinators in changing landscapes for world crops. Proceedings of the Royal Society of London, Series B: Biological Sciences, 274, 303313.
  • Klemm, M. (1996) Man-made bee habitats in the anthropogenous landscape of central Europe: substitutes for threatened or destroyed riverine habitats? The Conservation of Bees (eds A.Matheson, S.L.Buchmann, C.O'Toole, P.Westrich & I.H.Williams), pp. 1734. Academic Press, London.
  • Krebs, J.R., Wilson, J.D., Bradbury, R.B. & Siriwardena, G.M. (1999) The second Silent Spring? Nature, 400, 611612.
  • Kremen, C. & Chaplin-Kramer, R. (2007) Insects as providers of ecosystem services: crop pollination and pest control. Insect Conservation Biology: Proceedings of the Royal Entomological Society's 23rd Symposium (eds A.J.A.Stewart, T.R.New & O.T.Lewis), pp, 349382. CABI Publishing, Wallingford, UK.
  • Kremen, C., Williams, N.M. & Thorp, R.W. (2002) Crop pollination from native bees at risk from agricultural intensification. Proceedings of the National Academy of Sciences, USA, 99, 1681216816.
  • Kremen, C., Williams, N.M., Bugg, R.L., Fay, J.P. & Thorp, R.W. (2004) The area requirements of an ecosystem service: crop pollination by native bee communities in California. Ecology Letters, 7, 11091119.
  • Losey, J.E. & Vaughan, M. (2006) The economic value of ecological services provided by insects. Bioscience, 56, 311323.
  • Michener, C. (2000) The Bees of the World. Johns Hopkins University Press, Baltimore, MD, USA/London, UK.
  • Morandin, L.A. & Winston, M.L. (2005) Wild bee abundance and seed production in conventional, organic, and genetically modified canola. Ecological Applications, 15, 871881.
  • National Research Council. (2006) Status of Pollinators in North America. National Academy Press, Washington, DC.
  • Ricketts, T.H. (2004) Tropical forest fragments enhance pollinator activity in nearby coffee crops. Conservation Biology, 18, 12621271.
  • Rundlöf, M. & Smith, H.G. (2006) The effect of organic farming on butterfly diversity depends on landscape context. Journal of Applied Ecology, 43, 11211127.
  • Sokal, R.R. & Rohlf, F.J. (1995) Biometry: The Principles and Practice of Statistics in Biological Research, 3rd edn. WH Freeman, New York.
  • Steffan-Dewenter, I., Klein, A.M., Gaebele, V., Alfert, T. & Tscharntke, T. (2006) Bee diversity and plant–pollinator interactions in fragmented landscapes. Plant–Pollinator Interactions: from Specialization to Generalization (eds N.Waser & J.Ollerton), pp. 387407. University of Chicago Press, Chicago, IL, USA.
  • Steffan-Dewenter, I., Münzenberg, U., Bürger, C., Thies, C. & Tscharntke, T. (2002) Scale-dependent effects of landscape context on three pollinator guilds. Ecology, 83, 14211432.
  • Stokstad, E. (2007) The case of the empty hives. Science, 316, 970972.
  • Tilman, D. (1999) The ecological consequences of changes in biodiversity: a search for general principles. Ecology, 80, 14551474.
  • 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.
  • USDA-NASS. (2004) 2002 Census of Agriculture, pp. 223–272; 264–380. US Department of Agriculture, National Agricultural. Statistics Service, Washington, DC.
  • Vaughan, M., Shepherd, M., Kremen, C. & Hoffman Black, S. (2004) Farming for Bees: Guidelines for Providing Native Bee Habitat on Farms. Xerces Society, Portland, OR, USA.
  • Vázquez, D.P., Morris, W.F. & Jordano, P. (2005) Interaction frequency as a surrogate for the total effect of animal mutualists on plants. Ecology Letters, 8, 10881094.
  • Wcislo, W.T. & Cane, J.H. (1996) Floral resource utilization by solitary bees (Hymenoptera: Apoidea) and exploitation of their stored foods by natural enemies. Annual Review of Entomology, 41, 257286.
  • 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, P.Westrich & I.H.Williams), pp. 116. Academic Press for the Linnean Society of London and IBRA, London.
  • Williams, N.M., Minckley, R.L. & Silveira, F.A. (2001) Variation in native bee faunas and its implications for detecting community changes. Conservation Ecology, 5, http://www.consecol.org/vol5/iss1/art7 .
  • Winfree, R., Dushoff, J., Crone, E., Schultz, C.B., Williams, N. & Kremen, C. (2005) Testing simple indices of habitat proximity. American Naturalist, 165, 707717.
  • Winfree, R., Griswold, T. & Kremen, C. (2007a) Effect of human disturbance on bee communities in a forested ecosystem. Conservation Biology, 21, 213223.
  • Winfree, R., Williams, N.M., Dushoff, J. & Kremen, C. (2007b) Native bees provide insurance against ongoing honey bee losses. Ecology Letters, 10, 11051113.