NDLI: Damage and yield change in cocoa crops due to harvesting of timber shade trees in Talamanca, Costa Rica

Content Provider	Springer Nature Link
Author	Ryan, D. Bright, G. A. Somarriba, E.
Copyright Year	2009
Abstract	A computer model was developed for the economic analysis of the damage caused to cocoa plants (Theobroma cacao) due to the harvest of timber shade trees (Cordia alliodora), based on field estimations from cocoa farms in the indigenous region of Talamanca, in the south east of Costa Rica. An economic cost-benefit analysis was carried out considering cocoa planting densities, yields, timber volumes and both cocoa and timber prices. Damage to cocoa plants was quantified in terms of severity levels and then translated into yield losses and their corresponding economic values. From the 49 harvested timber trees observed, 196 cocoa plants were affected, of which 4% required replanting and 38% coppicing. Tree trunks were involved in 55% of the damage cases (109) and tree crowns in 45% (89). Nevertheless, the revenue obtained from timber sales easily offset the costs of damage to the cocoa crop. The economic analysis showed that on average, the net gain derived from timber harvesting was around US $316 per tree. For all considered scenarios, the timber market price that would balance discounted costs and benefits to zero ranged between US$ 22 and US $66 m−3 (current market price for C. alliodora is US$ 128 m−3). There would be lower margins due to higher costs of cocoa damage in high yielding, high price cocoa scenarios. However, the study shows that damage due to tree felling should not be a major objection of farmers to the use of timber shade trees in cocoa farms even in these scenarios.
Starting Page	97
Ending Page	106
Page Count	10
File Format	PDF
ISSN	01674366
Journal	Agroforestry Systems
Volume Number	77
Issue Number	2
e-ISSN	15729680
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-05-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cordia alliodora Theobroma cacao Agroforestry Shade tree harvest Timber production Cocoa damage Economic analysis Indigenous people Costa Rica Agriculture Forestry
Content Type	Text
Resource Type	Article
Subject	Forestry Agronomy and Crop Science

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