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Woody plant diversity and structure of shade-grown-coffee plantations in Northern Chiapas, Mexico

by Soto Pinto, L; Romero Alvarado, Y; Caballero Nieto, J; Segura Warnholtz, G.
Publisher: 2001ISSN: 0034-7744.Subject(s): COFFEA | COFFEA ARABICA | INGA | CAFE | RENDIMIENTO DE CULTIVOS | SOMBRA | PLANTAS DE SOMBRA | BIODIVERSIDAD | PLANTAS LEÑOSAS | MEXICO | COFFEA | COFFEA ARABICA | INGA | COFFEE | CROP YIELD | SHADE | SHADE PLANTS | BIODIVERSITY | MEXICO | COFFEA | COFFEA ARABICA | INGA | CAFE | RENDEMENT DES CULTURES | OMBRE | PLANTE D'OMBRAGE | BIODIVERSITE | MEXIQUE In: Revista de Biologia Tropical (Costa Rica) v. 49(3-4) p. 977-987Summary: Shade-grown coffee is an agricultural system that contains some forest-like characteristics. However, structure and diversity are poorly known in shade coffee systems. In 61 coffee growers' plots in Chiapas, Mexico, structural variables of shade vegetation and coffee yields were measured, recording species and their use. Coffee stands had five vegetation strata. Seventy-seven woody species mostly used as wood were found (mean density 371.4 trees per hectare). Ninety percent were native species (40 percent of the local flora), the remaining were introduced species, mainly fruit trees or shrubs. Diametric distribution resembles that of a secondary forest. Principal coordinates analysis-grouped plots in four classes by the presence of Inga, however the majority of plots are diverse. There was no difference in equitability among groups or coffee yields. Coffee yield was 835 g clean coffee per shrub, or _1668 kg/ha. There is a significant role of shade-grown coffee as diversity refuge for woody plants and presumably associated fauna, as well as an opportunity for shade coffee growers to participate in the new biodiversity-friendly coffee market.
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Shade-grown coffee is an agricultural system that contains some forest-like characteristics. However, structure and diversity are poorly known in shade coffee systems. In 61 coffee growers' plots in Chiapas, Mexico, structural variables of shade vegetation and coffee yields were measured, recording species and their use. Coffee stands had five vegetation strata. Seventy-seven woody species mostly used as wood were found (mean density 371.4 trees per hectare). Ninety percent were native species (40 percent of the local flora), the remaining were introduced species, mainly fruit trees or shrubs. Diametric distribution resembles that of a secondary forest. Principal coordinates analysis-grouped plots in four classes by the presence of Inga, however the majority of plots are diverse. There was no difference in equitability among groups or coffee yields. Coffee yield was 835 g clean coffee per shrub, or _1668 kg/ha. There is a significant role of shade-grown coffee as diversity refuge for woody plants and presumably associated fauna, as well as an opportunity for shade coffee growers to participate in the new biodiversity-friendly coffee market.

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