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Beer, John; Muschler, Reinhold; Kass, Donald; Somarriba, Eduardo

doi:10.1023/a:1005956528316

Cited by 402 publications

(114 citation statements)

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“…Frequency of shade tree pruning was positively correlated with dry litter weight and calcium content. These results are consistent with the general findings of previous research that show additions of fresh organic matter increased pH in tropical soils (Wong et al 2000) and can contribute considerable amounts of N (Beer et al 1998).…”

Section: Institutional Historysupporting

confidence: 93%

“…Complementary research has focused mainly on improving agroforestry management practices to increase the compatibility of shade coffee production with shade trees that provide provisioning services (e.g., timber, fruit, and firewood) and supporting ecosystem services (e.g., shade, N-fixation, and organic matter contribution ;Beer 1987;Somarriba 1990;Beer et al 1998;Peeters et al 2003). Recent work has also highlighted the desirability to explicitly combine C sequestration with biodiversity conservation in agroforestry systems (Kirby and Potvin 2007).…”

Section: Introductionmentioning

confidence: 99%

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Cooperative management and its effects on shade tree diversity, soil properties and ecosystem services of coffee plantations in western El Salvador

2009

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We compared how management approaches affected shade tree diversity, soil properties, and provisioning and carbon sequestration ecosystem services in three shade coffee cooperatives. Collectively managed cooperatives utilized less diverse shade, and pruned coffee and shade trees more intensively, than individual farms. Soil properties showed significant differences among the cooperatives, with the following properties contributing to differentiation: N, pH, P, K, and Ca. Higher tree richness was associated with higher soil pH, CEC, Ca, and Mg, and lower K. Higher tree densities were associated with lower N, K, and organic matter. Although we found differences in the incidence of provisioning services (e.g., fruit), all plantations generated products other than coffee. No differences were observed between C-stocks. The history and institutional arrangements of cooperatives can influence management approaches, which affect ecosystem properties and services. Our study corroborates that interdisciplinary investigations are essential to understand the socioecological context of tropical shade coffee landscapes.

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Section: Institutional Historysupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Cooperative management and its effects on shade tree diversity, soil properties and ecosystem services of coffee plantations in western El Salvador

2009

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“…As trees in coffee AFS provide a range of ES that are not directly related to coffee production, they are usually referred to as companion trees and increasingly promoted as a ''climate-smart'' practice, improving the resilience of coffee production by creating favourable microclimate conditions, as well as improving soil health Beer et al 1998;Campbell et al 2014;Nzeyimana et al 2013;Vaast et al 2006). Trees in AFS increase the biodiversity that enhances biological control of P&D (Staver et al 2001;Bos et al 2007;Perfecto et al 2007;Tscharntke et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Local tree knowledge can fast-track agroforestry recommendations for coffee smallholders along a climate gradient in Mount Elgon, Uganda

et al. 2017

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Arabica coffee (Coffea arabica) is economically important for many smallholder farmers in the Mount Elgon region of East Uganda, but its production is increasingly threatened by climate change. However, ecosystem services (ES) provided by companion trees in coffee agroforestry systems (AFS) can help farmers adapt to climate change. The objectives of this research were to develop agroforestry species recommendations and tailor these to the farmers' needs and local context, taking into consideration gender. Local knowledge of agroforestry species and ES preferences was collected through farmer interviews and rankings. Using the Bradley-Terry approach, analysis was done along an altitudinal gradient in order to study different climate change scenarios for coffee suitability. Farmers had different needs in terms of ES and tree species at different altitudes, e.g. at low altitude they need a relatively larger set of ES to sustain their coffee production and livelihood. Local knowledge is found to be gender blind as no differences were observed in the rankings of species and ES by men and women. Ranking species by ES and ranking ES by preference is a useful method to help scientists and extension agents to use local knowledge for the development of recommendations on companion trees in AFS for smallholder farmers.

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“…With regard to Musaceae, Farfán-Valencia (2005) provides a complete summary. For timber-yielding species, there is a complete study available (Detlefsen and Somarriba 2012) along with the frequently used estimations of Beer et al (1997).…”

Section: Sourcesmentioning

confidence: 99%

“…Finally, society provides external inputs (EI), which are those inputs that are not recycled. EI plus BR constitutes total inputs consumed (TIC).In the case of coffee, NPP can be divided into three different layers: the coffee layer (or coffee plant) (CL), comprising the bean, leaves, and wood; the herbaceous layer (HL), comprising the small plants and grass; and the shade layer (SL), made up of various species of trees that perform a crucial ecological and socio-economical role in the production of many tropical agrarian systems, including coffee (Perfecto et al 1996;Beer et al 1997). This article reconstructs the production of the CL and the HL in annual series, between 1935 and 2010 (Fig.…”

mentioning

confidence: 99%

Energy flows in the coffee plantations of Costa Rica: from traditional to modern systems (1935–2010)

Infante-Amate

Picado

2017

Reg Environ Change

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This article addresses energy flows in the coffee agro-ecosystems of Costa Rica within the context of the socio-ecological transition, between 1935 and 2010, accounting for the shift from traditional to modern tropical agriculture. Estimating indicators of energy efficiency in crop management makes it possible to analyze the changing productive rationality of growers by studying end uses of all biomass appropriated from coffee agro-ecosystems. Coffee land and labor productivity, as expected, multiplied (by factors of 2.01 and 1.56, respectively). However, considering total biomass produced in coffee agro-ecosystems, productivity did not display such a significant increase. In contrast, all other energy efficiency indicators declined. Final energy return on investment (FEROI) fell from 1.02 in 1935 to 0.51 in 2005. External final EROI fell even farther, from 18.90 down to 1.86. The socio-ecological transition brought about the loss of multifunctionality in the final use of products derived from coffee agroecosystems, as new products replaced traditional ones.Keywords Energy return on investment . Coffee . Agroforestry . Energy efficiency . Socio-ecological transition IntroductionThe study of energy flows in farming, understood in a broad sense, represents an effective and versatile way to describe the major changes that have taken place in agrarian systems during the transition from traditional to modern management approaches, as well as to analyze the environmental problems generated in this process. Scholars have used a variety of methods, from traditional energy balances (Leach 1976) to energy return on investment (EROI) (Tello et al. 2016) and life cycle assessment (LCA) (Haas et al. 2000) to analyze energy flows in farming. One aim, from the perspective of environmental and energy sustainability, has been to compare the energy efficiency of traditional and modern systems (Cleveland 1995; or organic vs. conventional management (e.g., Smith et al. 2015). Another approach, from the social sciences and humanities, uses energy flows to study the material foundations and dynamics by which traditional societies were sustained, endeavoring to overcome perspectives that focus exclusively on cultural or monetary concerns. Such studies have assessed hunter-gatherer societies (Rappaport 1969), the collapse of civilizations (Tainter 1990), and the subsistence of peasant farming societies (Infante-Amate 2014).This article evaluates energy flows in Costa Rica's coffee agro-ecosystems within the context of the socio-ecological transition (SET) and the BGreen Revolution,^between 1935 and 2010, spanning both of the aforementioned perspectives within a tropical agricultural system. It estimates indicators about the energy processes of coffee production systems, evaluating its evolving energy efficiency. There is some published research about energy balances in coffee production in Nicaragua (Cuadra and Rydberg 2006), Brazil (Giannetti et al. 2011a, b;Turco et al. 2012;Flauzino et al. 2014;Muner et al. 2015), and Costa ...

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Untitled

Cited by 402 publications

References 0 publications

Cooperative management and its effects on shade tree diversity, soil properties and ecosystem services of coffee plantations in western El Salvador

Cooperative management and its effects on shade tree diversity, soil properties and ecosystem services of coffee plantations in western El Salvador

Local tree knowledge can fast-track agroforestry recommendations for coffee smallholders along a climate gradient in Mount Elgon, Uganda

Energy flows in the coffee plantations of Costa Rica: from traditional to modern systems (1935–2010)

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