Goldman, A., and J. Kigel. 1986. Dynamics of the weed community in coffee plantations
grown under shade trees: effect of clearing. Israel Journal of Botany35:121–131.
Gonzalez, J. A. 1999a. Diversidad y abundancia de aves en cafetales con y sin sombra,
Heredia, Costa Rica. Ciencias Ambientales17:70–81.
Gonzalez, J. A. 1999b. Impacto económico-ecológico del manejo de los cafetales con y sin som-
bra para la conservación de aves e insectos en la III zona cafetalera de Heredia, Costa Rica.
Master’s thesis, Universidad Nacional, Heredia, Costa Rica.
Gowda, D. K. S., M. G. Venkatesha, and P. K. Bhat. 1995. Preliminary observations on the
incidence of termites on coffee and its shade trees. Journal of Coffee Research25:30–34.
Granados, D., and J. Vera. 1995. El sistema agroforestal cafetalero en Córdoba, Veracruz.
Revista Chapingo de Ciencias Forestales1:97–108.
Greenberg, R., R. Bichier, and J. Sterling. 1997. Bird populations in rustic and planted
shade coffee plantations of Eastern Chiapas, Mexico. Biotropica29:501–514.
Gutierrez, G., and B. Soto. 1976. Arboles usados como sombra en café y cacao. Revista
Cafetalera (Guatemala)159:27–32.
Guyot, B., D. Guelule, J. C. Manez, J. J. Perriot, J. Giron, and L. Villain. 1996. Influence
de l’altitude et de l’ombrage sur la qualité des cafés Arabica. Plantations, Récherche et
Développement20:272–280.
Haile-Mariam, T. 1973. The production, marketing, and economic impact of coffee in
Ethiopia.Ph.D. dissertation, University of Stanford, CA.
Hearst, H. L. 1929. The coffee industry of Central America.M.S. thesis, Geography, Univer-
sity of Chicago.
Ibarra-Nuñez, G. 1990. Los artrópodos asociados a cafetos en un cafetal mixto del
Soconusco, Chipas, Mexico. Folia Entomológico Mexicana79:207–231.
Izard, M. 1973. El café en la economía Venezolana del XIX.Valencia, Spain: Vadell Her-
manos.
Jimenez-Avila, E. 1979. Estudios ecológicos del agroecosistema cafetalero. I. Estructura de
los cafetales de una finca cafetalera de Coatepe, Mexico. Biotica4:1–12.
Johanneson, N. E., and A. Mansingh. 1984. Host-pest relationships of the genus Hypothen-
emus(Coleoptera, Scolytidae) with special reference to the coffee berry borer H. hampei.
Journal of Coffee Research14:43–56.
Kashyap, R. K., A. N. Verma, and J. P. Bhanot. 1984. Termites of plantation crops, their
damage and control. Journal of Plantation Crops12:1–10.
Koptur, S. 1983. Inga.Pages 259–261 in D. H. Janzen (ed.), Costa Rica natural history.
Chicago: University of Chicago Press.
Korikanthimath, V. S., R. Hedge, M. N. Menugopal, K. Sivaraman, and B. Krishna-
murthy. 1994. Multistoreyed cropping system with coffee, clove and pepper. Indian Cof-
fee58:3–5.
Kumar, A. C., and S. D. Samuel. 1990. Nematodes attacking coffee and their management:
a review. Journal of Coffee Research20:1–27.
Kumar, P. K. V., M. M. Balakrishnan, and T. S. Govindarajan. 1984. Retithrips syriacus
(Mayet): a new record on coffee from south India. Journal of Coffee Research14:131–132.
Kumar, P. K. V., C. B. Prakasan, and C. K. Vijayalakshmi. 1994. Record of entomopatho-
genic fungi on Hypothenemus hampeiFerrari from South India. Journal of Coffee Research
24:119–120.
Kurian, R. 1998. Land, labor and capital in the coffee plantations in nineteenth century
South-West India. In Conference on Coffee Production and Economic Development, c. 1700
to c. 1960.September 10–12, 1998, Oxford, UK.
222 III. The Biodiversity of Agroforestry Systems