References
Biesmeijer, J. C., Roberts, S. P. M., et al. (2006). Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands. Science, 313(5785), 351-354.
Buchmann, S. L., & Nabhan, G. P. (1997). The forgotten pollinators. Island Press.
Cane, J. H., & Tepedino, V. J. (2001). Causes and extent of declines among native North American invertebrate pollinators: detection, evidence, and consequences. Conservation Ecology, 5(1), 1.
Cane, J. H., & Tepedino, V. J. (2001). Causes and extent of declines among native North American invertebrate pollinators: detection, evidence, and consequences. Conservation Ecology, 5(1), 1.
Conservation Ecology 5(1): 1. [online] URL: www.consecol.org/vol5/iss1/art1
Gallai N, Salles JM, Settele J, Vaissiere BE (2009) Economic valuation of the vulnerability of world agriculture confronted with pollinator decline. Ecological Economics 68:810–821
Hendrix, S. D. (1994). Effects of population size on fertilization, seed production, and seed predation in two prairie legumes. In North American Prairie Conference Proceedings (Vol. 13, pp. 115-119).
Ingram, M., Nabhan, G., & Buchmann, S. L. (1996). Our forgotten pollinators: Protecting the birds and bees. Global Pesticide Campaigner, 6(4), 1-8.
Kalman, B. (2010). What is Pollination?. Crabtree Publishing Company.
Klein, A. M., Vaissiere, B. E., Cane, J. H., Steffan-Dewenter, I., Cunningham, S. A., Kremen, C., & Tscharntke, T. (2007). Importance of pollinators in changing landscapes for world crops. Proceedings of the Royal Society B: Biological Sciences, 274(1608), 303-313.
Kluser, S., & Peduzzi, P. (2007). Global pollinator decline: a literature review. Unep/Grid-Europe.
Losey, J. E., & Vaughan, M. (2006). The economic value of ecological services provided by insects. Bioscience, 56(4), 311-323.
Reid, J. (2000). Butterfly gardening in south Africa. Briza
Samways, M. J. (2005). Insect diversity conservation. Cambridge University Press.
Shepherd, M., Vaughn, M., & Black, S. H. (2011). Attracting Native Pollinators: Protecting North America's Bees and Butterflies: the Xerces Society Guide. Storey Publishing.
Schatz, G. E. (1992). The race between deep flowers and long tongues.
Thomas, C. D., & Jones, T. M. (1993). Partial recovery of a skipper butterfly (Hesperia comma) from population refuges: lessons for conservation in a fragmented landscape. Journal of Animal Ecology, 62(3), 472-481.
Thomas, J. A., Telfer, M. G., Roy, D. B., Preston, C. D., Greenwood, J. J. D., Asher, J., ... & Lawton, J. H. (2004). Comparative losses of British butterflies, birds, and plants and the global extinction crisis. Science, 303(5665), 1879-1881.
Buchmann, S. L., & Nabhan, G. P. (1997). The forgotten pollinators. Island Press.
Cane, J. H., & Tepedino, V. J. (2001). Causes and extent of declines among native North American invertebrate pollinators: detection, evidence, and consequences. Conservation Ecology, 5(1), 1.
Cane, J. H., & Tepedino, V. J. (2001). Causes and extent of declines among native North American invertebrate pollinators: detection, evidence, and consequences. Conservation Ecology, 5(1), 1.
Conservation Ecology 5(1): 1. [online] URL: www.consecol.org/vol5/iss1/art1
Gallai N, Salles JM, Settele J, Vaissiere BE (2009) Economic valuation of the vulnerability of world agriculture confronted with pollinator decline. Ecological Economics 68:810–821
Hendrix, S. D. (1994). Effects of population size on fertilization, seed production, and seed predation in two prairie legumes. In North American Prairie Conference Proceedings (Vol. 13, pp. 115-119).
Ingram, M., Nabhan, G., & Buchmann, S. L. (1996). Our forgotten pollinators: Protecting the birds and bees. Global Pesticide Campaigner, 6(4), 1-8.
Kalman, B. (2010). What is Pollination?. Crabtree Publishing Company.
Klein, A. M., Vaissiere, B. E., Cane, J. H., Steffan-Dewenter, I., Cunningham, S. A., Kremen, C., & Tscharntke, T. (2007). Importance of pollinators in changing landscapes for world crops. Proceedings of the Royal Society B: Biological Sciences, 274(1608), 303-313.
Kluser, S., & Peduzzi, P. (2007). Global pollinator decline: a literature review. Unep/Grid-Europe.
Losey, J. E., & Vaughan, M. (2006). The economic value of ecological services provided by insects. Bioscience, 56(4), 311-323.
Reid, J. (2000). Butterfly gardening in south Africa. Briza
Samways, M. J. (2005). Insect diversity conservation. Cambridge University Press.
Shepherd, M., Vaughn, M., & Black, S. H. (2011). Attracting Native Pollinators: Protecting North America's Bees and Butterflies: the Xerces Society Guide. Storey Publishing.
Schatz, G. E. (1992). The race between deep flowers and long tongues.
Thomas, C. D., & Jones, T. M. (1993). Partial recovery of a skipper butterfly (Hesperia comma) from population refuges: lessons for conservation in a fragmented landscape. Journal of Animal Ecology, 62(3), 472-481.
Thomas, J. A., Telfer, M. G., Roy, D. B., Preston, C. D., Greenwood, J. J. D., Asher, J., ... & Lawton, J. H. (2004). Comparative losses of British butterflies, birds, and plants and the global extinction crisis. Science, 303(5665), 1879-1881.