SEARCH

SEARCH BY CITATION

References

  • Ågren, J. (1996) Population size, pollinator limitation, and seed set in the self-incompatible herb Lythrum salicaria. Ecology, 77, 17791790.
  • Aizen, M.A. & Feinsinger, P. (1994) Habitat fragmentation, native insect pollinators, and feral honey bees in Argentine ‘Chaco Serrano’. Ecological Applications, 4, 378392.
  • Altieri, M., Merrick, L. & Anderson, M.K. (1987) Peasant agriculture and the conservation of crop and wild plant resources. Conservation Biology, 1, 4953.
  • Amoah, F.M., Osei-Bonsu, K. & Oppong, F.K. (1997) Response of improved robusta coffee to location and management practices in Ghana. Experimental Agriculture, 33, 103111.
  • Beer, J., Muschler, R., Kass, D. & Somarriba, E. (1998) Shade management in coffee and cacao plantations. Agroforestry Systems, 38, 139164.
  • Cane, J.H. (2001) Habitat fragmentation and native bees: a premature verdict? Conservation Ecology, 5 (http://www.consecol.org/vol5/iss1/art3).
  • Colwell, R.K. (1997) Estimates: Statistical Estimation of Species Richness and Shared Species from Samples, Version 5. User's Guide and application published at http://viceroy.eeb.uconn.edu/estimates.
  • Connor, E.F., Courtney, A.C. & Yoder, J.M. (2000) Individuals-area relationships: the relationship between animal population density and area. Ecology, 81, 734749.
  • Conservation International (2000) Conservation coffee, CI, Washington, DC, USA. Published at: http://www.celb.org/pressreleases/conservationcoffeefactsheet5-22.pdf.
  • Corbet, S.A. (1987) More bees make better crops. New Scientist, 115, 4043.
  • Corbet, S.A. (1996) Which bees do plants need? The Conservation of Bees (eds A.Matheson, S.L.Buchmann, C.O'Toole, P.Westrich, & I.H.Williams), pp. 105114. Academic Press, London, UK.
  • 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.
  • Crane, E. & Walker, P. (1983) The Impact of Pest Management on Bees and Pollination. Tropical Development and Research Institute, College House, Wrights Lane, London, UK.
  • Cunningham, S.A. (2000) Depressed pollination in habitat fragments causes low fruit set. Proceedings of the Royal Society of London, Series B, 267, 11491152.
  • Daily, G.C., Alexander, S., Ehrlich, P.R., Goulder, L., Lubchenco, J., Matson, P.A., Mooney, H.A., Postel, S., Schneider, S.H., Tilman, D. & Woodwell, G.M. (1997) Ecosystem Services: Benefits Supplied to Human Societies by Natural Ecosystems. Issues in Ecology, no. 2. Ecological Society of America, Washington, USA.
  • Debinski, D.M. & Holt, R.D. (2000) A survey and overview of habitat fragmentation experiments. Conservation Biology, 14, 342355.
  • Didham, R.K., Ghazoul, J., Stork, N.E. & Davis, A.J. (1996) Insects in fragmented forests: a functional approach. Trends in Ecology and Evolution, 11, 255260.
  • Donaldson, J., Nänni, I., Zachariades, C. & Kemper, J. (2002) Effects of habitat fragmentation on pollinator diversity and plant reproductive success in Renosterveld shrublands of South Africa. Conservation Biology, 16, 12671276.
  • Ehlers, B.K. (1999) Variation in fruit set within and among natural populations of the self-incompatible herb Centaurea scabiosa (Asteraceae). Nordic Journal of Botany, 19, 653663.
  • Escalante, E. (1995) Coffee and agroforestry in Venezuela. Agroforestry Today, 7, 57.
  • Free, J.B. (1993) Insect Pollination of Crops. Academic Press, London.
  • Freitas, B.M. & Paxton, R.J. (1998) A comparison of two pollinators: the introduced honey bee Apis mellifera and an indigenous bee Centris tarsata on cashew Anacardium occidentale in its native range of NE Brazil. Journal of Applied Ecology, 35, 109121.
  • Greenberg, R., Bichier, P., Cruz Angon, A., MacVean, C., Perez, R. & Cano, E. (2000) The impact of avian insectivory on arthropods and leaf damage in some Guatemalan coffee plantations. Ecology, 81, 17501755.
  • Heard, T.A. & Exley, E.M. (1994) Diversity, abundance and distribution on insects visitors to macadamia flowers. Environmental Entomology, 23, 91100.
  • Horner-Devine, M.C., Daily, G.C., Ehrlich, P.R. & Boggs, C.L. (2003) Countryside biogeography of tropical butterflies. Conservation Biology, 17, 168177.
  • Irwin, R.E., Brody, A. & Waser, N.M. (2001) The impact of floral larceny on individuals, populations, and communities. Oecologia, 129, 161168.
  • Klein, A.M., Buchori, D., Steffan-Dewenter, I. & Tscharntke, T. (2002a) Effects of land-use intensity in tropical agroforestry systems on flower-visiting and trap-nesting bees and wasps. Conservation Biology, 16, 10031014.
  • Klein, A.M., Steffan-Dewenter, I. & Tscharntke, T. (2002b) Predator-prey ratios on cocoa along a land-use gradient in Indonesia. Biodiversity and Conservation, 11, 683693.
  • Klein, A.M., Steffan-Dewenter, I. & Tscharntke, T. (2003a) Bee pollination and fruit set of Coffea arabica and C. canephora (Rubiaceae). American Journal of Botany, 90, 153157.
  • Klein, A.M., Steffan-Dewenter, I. & Tscharntke, T. (2003b) Fruit set of highland coffee increases with the diversity of pollinating bees. Proceeding of the Royal Society London, Series B, 270, 955961.
  • Kremen, C., Williams, N.M. & Thorp, R.W. (2002) Crop pollination from native bees at risk from agricultural intensification. Proceeding of the National Academy of Sciences, 99, 1681216816.
  • Liow, L.H., Sodhi, N.S. & Elmqvist, T. (2001) Bee diversity along a disturbance gradient in tropical lowland forests of South-East Asia. Journal of Applied Ecology, 38, 180192.
  • MacVean, C. (1997) Coffee growing: Sun or shade? Science, 275, 1552.
  • Maloof, J.E. & Inouye, D.W. (2000) Are nectar robbers cheaters or mutualists? Ecology, 81, 26512661.
  • Manugistics (1997) Statgraphics Plus for Windows 3·0. Manugistics. Inc., Rockville, Maryland, USA.
  • McDonald, J.H. (1930) Coffee Growing: with Special Reference to East Africa. East Africa Ltd, London, UK.
  • Michener, C.D. (1979) Biogeography of the bees. Annals of the Missouri Botanical Garden, 66, 278347.
  • Moguel, P. & Toledo, V.M. (1999) Biodiversity conservation in traditional coffee systems of Mexico. Conservation Biology, 13, 1121.
  • Muschler, R.G. & Bonnemann, A. (1997) Potentials and limitations of agroforestry for changing land-use in the tropics: experiences from Central America. Forest Ecology and Management, 91, 6173.
  • Naeem, S., Thompson, L.J., Lawlers, S.P., Lawton, J.H. & Woodfin, R.M. (1995) Empirical evidence that declining species diversity may alter the performance of terrestrial ecosystems. Philosophical Transactions of the Royal Society of London, 347, 249262.
  • Perfecto, I., Rice, R.A., Greenberg, R. & Van der Voort, M.E. (1996) Shade coffee: a disappearing refuge for biodiversity. Shade coffee plantations can contain as much biodiversity as forest habitats. Bioscience, 46, 598608.
  • Perfecto, I. & Snelling, R. (1995) Biodiversity and the transformation of a tropical agroecosystem: ants in coffee plantations. Ecological Applications, 5, 10841097.
  • Perfecto, I. & Vandermeer, J. (2002) Quality of agroecological matrix in a tropical montane landscape: ants in coffee plantations in southern Mexico. Conservation Biology, 16, 174182.
  • Purseglove, J.W. (1968) Tropical Crops. Dicotyledons I and II. Longmans, London, UK.
  • Rappole, J.H., King, D.I. & Rivera, J.H.V. (2003) Coffee and conservation. Conservation Biology, 17, 334336.
  • Rathcke, B.J. & Jules, E.S. (1993) Habitat fragmentation and plant–pollinator interactions. Current Science, 65, 273277.
  • Reichhardt, L., Mellink, E., Nahan, G.P. & Rea, A. (1994) Habitat heterogeneity and biodiversity associated with indigenous agriculture in the Sonoran Desert. Etnoecológica, 3, 2136.
  • Renner, S.S. (1998) Effects of habitat fragmentation on plant pollinator interactions in the tropics. Dynamics of Tropical Communities (eds D.M.Newbery, H.H.T.Prins, N.Brown), pp. 339360. Blackwell Science, Oxford, UK.
  • Roubik, D.W. (2002) The value of bees to the coffee harvest. Nature, 417, 708.
  • Sokal, R.R. & Rohlf, F.J. (1995) Biometry: the Principles and Practice of Statistics in Biology Research. Freeman, New York, UK.
  • Soto-Pinto, L., Perfecto, I., Castillo-Hernandez, J. & Caballero-Nieto, J. (2000) Shade effect on coffee production at the northern Tzeltal zone of the state of Chiapas, Mexico. Agriculture, Ecosystems and Environment, 80, 6169.
  • 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.
  • Steffan-Dewenter, I. & Tscharntke, T. (1999) Effects of habitat isolation on pollinator communities and seed set. Oecologia, 121, 432440.
  • Tewksbury, J.J., Levey, D.J., Haddad, N.M., Sargent, S., Orrock, J.L., Weldon, A., Danielson, B.J., Brinkerhoff, J., Damschen, E.I. & Townsend, P. (2002) Corridors affect plants, animals, and their interactions in fragmented landscapes. Proceedings of the National Academy of Sciences of the United States of America, 99, 1292312936.
  • Toledo, V.M., Ortiz, B. & Medellin, S. (1994) Biodiversity islands in a sea of pastureland: indigenous resource management in the humid tropics of Mexico. Etnoecológica, 3, 3750.
  • Waddington, K.D., Visscher, P.D., Herbert, T.J. & Richter, M.R. (1994) Comparison of forager distribution from matched honeybee colonies in suburban environments. Behavioural Ecology and Sociobiology, 35, 423429.
  • Willmer, P.G. & Stone, G.N. (1989) Incidence of entomophilous pollination of lowland coffee (Coffea canephora); the role of leaf cutter bees in Papua New Guinea. Entomologia Experimentalis et Applicata, 50, 113124.