Mapping adaptive capacity and smallholder agriculture: applying expert knowledge at the landscape scale
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The impacts of climate change exacerbate the myriad challenges faced by smallholder farmers in the Tropics. In many of these same regions, there is a lack of current, consistent, and spatially-explicit data, which severely limits the ability to locate smallholder communities, map their adaptive capacity, and target adaptation measures to these communities. To explore the adaptive capacity of smallholder farmers in three data-poor countries in Central America, we leveraged expert input through in-depth mapping interviews to locate agricultural landscapes, identify smallholder farming systems within them, and characterize different components of farmer adaptive capacity. We also used this input to generate an index of adaptive capacity that allows for comparison across countries and farming systems. Here, we present an overview of the expert method used, followed by an examination of our results, including the intercountry variation in expert knowledge and the characterization of adaptive capacity for both subsistence and smallholder coffee farmers. While this approach does not replace the need to collect regular and consistent data on farming systems (e.g. agricultural census), our study demonstrates a rapid assessment approach for using expert input to fill key data gaps, enable trans-boundary comparisons, and to facilitate the identification of the most vulnerable smallholder communities for adaptation planning in data-poor environments that are typical of tropical regions. One potential benefit from incorporating this approach is that it facilitates the systematic consideration of field-based and regional experience into assessments of adaptive capacity, contributing to the relevance and utility of adaptation plans.
Smallholder farmers are a major priority group for climate change adaptation strategies, but such efforts are frequently confounded by a lack of spatial or contextual information on these subpopulations. Across the developing world, there are approximately 500 million smallholder farms that represent close to two-thirds of the rural population (IFPRI 2007) and are responsible for a significant portion of the world’s agricultural production and economic output (Altieri et al. 2012). These farmers typically cultivate small areas, have few resources to maintain or increase productivity, live in environmentally fragile and remote locations, and generally lack access to technical assistance, credit, or government support (Vorley et al. 2012). Smallholder farmers are disproportionately affected by climate change, as they depend heavily on rain-fed agriculture and are therefore highly vulnerable to any changes in precipitation patterns. In addition, many smallholder farmers are food insecure, poor, and live in precarious conditions, frequently confronting situations of risk and uncertainty (Morton 2007; IFAD 2009). Given their high vulnerability to climate change, smallholder farming households and communities are a priority for climate change adaptation efforts worldwide.
In order to effectively target such efforts, policymakers, donors, and practitioners confront information barriers on the geographic distribution of smallholder farming systems and characteristics that may contribute to their overall vulnerability to climate change. In particular, decisionmakers want to better understand the relative adaptive capacity of smallholder farmers so that they can develop means of more explicitly enhancing adaptation in order to reduce overall vulnerability. Nonetheless, such information is extremely limited in many developing countries, and little is understood about the most current status of adaptive capacity within smallholder farming systems (although Bojórquez-Tapia and Eakin 2009 and Baca et al. 2014 have sought to capture this in the same study region).
The lack of information is in part due to the difficulty of obtaining data focused solely on smallholder farming communities, as a subset of the overall population in a region. Standard methods for assessing adaptive capacity rely on the collection of primary and secondary data. Primary data are used to define adaptive capacity within a specific context at the household- or community-scale. Secondary data, which are often government-generated, are used to estimate adaptive capacity locally or at broader scales (from sub-national to regional) (Holt-Gimenez 2002; Eakin et al. 2006; Alayon-Gamboa and Ku-Vera 2011; PNUD 2013; Baca et al. 2014). These approaches are often limited by data availability, quality, consistency, and reliability. In addition, challenges with bureaucratic processes, lack of clarity about data sharing policies, and poor documentation can limit utility and use of these data. Thus, there is a pressing need to sidestep these barriers and generate alternative approaches for mapping the characteristics of smallholder farming systems, assessing their vulnerability to climate change, and specifically understanding their adaptive capacity, which could be applied across data-poor countries to help improve the efficiency and targeting of climate adaptation strategies.
The objectives of this study were to (1) develop a participatory method to delineate distinct agricultural landscapes and map the adaptive capacity of smallholder farmers in data-limited contexts, (2) apply the method systematically to understand the adaptive capacity of smallholder farmers in three Central American countries (Costa Rica, Guatemala, and Honduras), and (3) use the information generated to understand the variation in adaptive capacity of smallholder farmers across farming systems and regions.
We focused on two farming systems, coffee and subsistence, which are the predominant forms of smallholder agriculture in the region (Baca et al. 2014). Central America is a relevant focus region because the effects of climate change are already evident: significant changes in precipitation, temperature, stream flow, and water availability have been observed over the last several decades and climate projections show further changes along these same trends (Aguilar et al. 2005; Giorgi 2006). Land availability severely limits the growth potential for agriculture in Central America, and climate change impacts further exacerbate those limits for both agricultural productivity and suitability (Aguilar et al. 2005; Läderach et al. 2010). Both types of farmers are highly vulnerable to climate change, due to their reliance on rain-fed agriculture. Subsistence farmers depend on their land for food security and limited income generation and typically have very limited access to financial or technical assistance. Smallholder coffee farmers are similarly vulnerable to climate change. Coffee is sensitive to temperature variability and temperature increase (Ovalle-Rivera et al. 2015), which can cause significant reductions in yield, aggravated by pest and disease outbreaks that can increase under changing climatic conditions (Baca et al. 2014; Bunn et al. 2015; Ovalle-Rivera et al. 2015; Avelino et al. 2015).
Our analysis was conducted at the landscape scale, with landscape defined as a geographic zone in which the mix of farming systems and related agricultural practices is distinct from surrounding areas. We did not predetermine the size of individual landscapes. Instead, we utilized expert knowledge and national context to inform the spatial dimensions of these units of analysis. Within each landscape, we focused on understanding the current profiles and farming systems of smallholder coffee and subsistence farmers. While the methodology was piloted in Central America, this approach can be similarly applied in any country interested in quickly and efficiently mapping populations of smallholder farming communities and characterizing their relative adaptive capacity, recognizing that local conditions within landscapes could vary.
We used the definition of adaptive capacity put forth by the Intergovernmental Panel on Climate Change (IPCC) as the “ability of a system to adjust to climate change to moderate potential damages, to take advantage of opportunities, or to cope with the consequences” (IPCC 2007). As a concept, adaptive capacity is often interchanged with coping ability and resilience (Smit and Wandel. 2006). As a measure, it is dynamic across space and time, with both local context and macro-scale conditions influencing the characterization of adaptability from the household to the global scale (Smit and Wandel. 2006). These traits of dynamism and cross-scalar influences help justify the inclusion of an analytical approach that integrates the input of experts who hold a view to the current local and regional setting. As such, this approach, along with similar methods to integrate rapid assessment, expert input, and geospatial technologies, represents a relatively low cost and effective tool for governments, donors and practitioners interested in using spatially-explicit information needed to assess the adaptive capacity of farming communities, identify those most vulnerable, recommend appropriate adaptation measures, and efficiently target the implementation of climate adaptation measures.
2 Materials and methods
To map and characterize the adaptive capacity of smallholder farmers in unique agricultural landscapes, we developed a method that harnesses expert input across several stages of the process, and takes advantage of the breadth and depth of knowledge accumulated by national-level experts familiar with multiple production regions in each country. The expert mapping and classification process borrows from both rapid rural appraisal (RRA) methodologies associated with the fields of rural agricultural development and disaster risk management (Chambers 1981) and the burgeoning field of participatory geographic information systems (PGIS) (Brown and Kyttä 2014). The map plays a central role in the process of data collection, serving as a forum for dialogue and a negotiation space for validation of expert input. The following sections outline the main methodological steps used for data collection and analysis, both of which took place in June 2013 through May 2014.
2.1 Landscape characterization survey
Our first step involved the development of a standardized survey instrument to extract information related to general agricultural practices and socioeconomic characteristics of farming communities in a given landscape. This was administered to a group of experts with in-depth experience and knowledge of agricultural systems in each country.
Data collected included: average farm size, forms of land tenure (private, leased, communal, and informal), specific conventional or conservation practices associated with crop production (integrated pest management, use of synthetic fertilizers, chemical pesticides and disease control, riparian buffer conservation, different forms of irrigation, organic agriculture, mechanized labor, soil conservation, living fences, and re-planting or re-seeding of crops), type of market for crop sales (local, regional, national, international), types of on-farm assets (financial, social, physical, human, and natural) or services farmers might have access to, migration trends, social networks, alternative forms of household income, history of cultivation in the landscape, and the potential willingness of farmers to shift to other crops. Portions of the survey focused on either smallholder coffee farming (and producing) or subsistence farming within the landscape, including specific questions related to average size of landholding and land tenure characteristics. The survey also included questions about how extreme natural events (shock events) might have affected the landscape in the recent past (about five years), including the type of event, which cropping systems were impacted, and whether or not farmers received assistance. The survey instrument was pre-tested with colleagues from the Tropical Agricultural Research and Higher Education Center (CATIE), who would also be considered experts in certain regions. The full survey instrument for landscape characterization is included in Supplementary Online Material (SOM 1).
2.2 Expert mapping interviews
Summary of the institutional affiliations and years of experience for experts who participated in the landscape mapping, characterization, validation, and definition of adaptive capacity
Total # Experts
# Experts by institutional affiliation
• Associations of agricultural producers
• Centers of investigation and agricultural extension offices
• Independent consultants
• International corporations and corporate institutes
• National corporations
• Government agencies & institutes
• Non-governmental organizations (NGOs)
Ave # years field experience
# experts in validation workshops
Asset categories, associated variables, and expert majority agreement on relationship with adaptive capacity
Associated variables for measure of adaptive capacity
Increased (+) / Lowered (−) Adaptive Capacity
Investments to improve crop production:
- Fertilizers, pesticides
- Soil preparation / tilling
- Irrigation (high-input)
- Diverse income sources
- Recent migrants (last 5 years)
- Male population has out-migrated, leaving majority female-headed households
- Household heads migrate seasonally for work outside zone
- Youth population has out-migrated, leaving elderly as household head
Receive assistance after extreme events
Mitigation of crop damage:
- chemical control of pests and disease
- integrated pest management (IPM)
- market or small grocery store for sales
- storage for crop product
- crop transportation to market
- agricultural machinery/equipment
Access to human labor
Implements soil conservation practices
In each one-on-one interview, we first reviewed a standard base map (1:500,000 scale), which included the most current land use and land cover data available for the country of focus: Costa Rica (2010), Guatemala (2003), and Honduras (2009). We also presented reference maps that included spatial layers of roads, political/administrative divisions, rivers and other bodies of water, populated centers, and national protected areas networks to facilitate the identification of the landscapes. Then, we asked experts to identify regions where they had spent at least two years offering extension services or conducting project work. Within these regions, each expert would then begin delineating polygons to represent unique agricultural landscapes and respond to the survey for each landscape drawn. The typical duration of an interview was one and a half hours, and experts were able to contribute two to three landscapes on average. Upon completion of this first round of one-on-one interviews, experts defined 177 landscape polygons, including 36 for Costa Rica, 54 for Guatemala, and 87 for Honduras.
2.3 Validation workshops
We convened three workshops in each country in mid-2013 to: (a) review the previously delineated landscapes and survey results from landscape characterization that resulted from the one-on-one interviews, (b) resolve areas of landscape overlap, and (c) attempt to fill in gaps in each country. We invited experts from the original one-on-one mapping interviews and additional experts with similar expertise and profiles. Following the validation workshops, we identified gaps for each country (e.g. in the Petén region of Guatemala and the Sarapiquí region of Costa Rica) and utilized our existing networks to identify additional experts with knowledge of those regions, whom we then connected with for additional mapping interviews.
2.4 Characterizing and measuring adaptive capacity
2.4.1 Expert online survey
In order to define an overall index measure of adaptive capacity, we distributed an interactive online survey to all expert participants. Each was asked to: (1) assign twenty variables from the original landscape characterization survey into the five asset categories (natural, human, social, physical, and financial) and (2) qualify each variable as either contributing to a low or high degree of adaptive capacity (Table 2). We selected these asset categories and the set of potential variables from the survey based on similar studies (Bojórquez-Tapia and Eakin 2009; Eakin et al. 2011; Baca et al. 2014). This expert-driven categorization of variables resulted in an uneven distribution across asset categories. For example, experts consistently assigned six variables to the physical asset category and five to the social asset category, whereas human and natural capital categories were only assigned one variable each.
2.4.2 Calculation of index
Based on this expert input, we were able to construct an index measure for adaptive capacity, which we could also utilize to compare relative adaptive capacity scores across all three countries. First, we assigned variables to an asset category based on majority agreement of experts from the online survey. Second, we re-coded the values so that a value of 1 indicates high adaptive capacity, and 0 indicates low adaptive capacity. In this way, when survey responses for each landscape were summed, a high total number indicated a high adaptive capacity, while a lower number indicated a lower adaptive capacity. We further simplified the adaptive capacity index to fit within a range of 0–5 points (with 0 indicating a low adaptive capacity and 5 indicating a high adaptive capacity), where each of the five asset categories contributes equally (one point) to the index score for that landscape.
If there was too little information for a specific asset category, we took a conservative approach in calculating the index. We never assumed that, in the absence of data, variables contributed to a high adaptive capacity. Because the landscape characterization survey included specifications about both smallholder coffee and subsistence agriculture, many of the resulting landscapes in our study had multiple adaptive capacity scores, one for each type of farming system. All information collected from our group of experts was compiled into a master database and digitized for analysis in a geographic information system (GIS). With this, we were able to generate descriptive statistics and cross-group (farming systems and countries) comparisons.
3.1 Profiles of subsistence farming and smallholder coffee systems
For subsistence agriculture in our set of expert-defined landscapes, across all three countries, the main crop production was basic grains, the most common form of tenure was as an individual (private) landowners, and farm plots were typically less than two hectares. Within the broader category of basic grains for subsistence agriculture, experts in Guatemala and Honduras consistently defined it as representing a cropping mix of maize and beans, while for Costa Rica subsistence farming suggested a diverse grouping of vegetables, pulses, and grains. For all three countries, the experts we interviewed associated subsistence farming with cultivation where the output is tied mainly to a combination of on-farm consumption with some product directed for sale at local markets. Experts defined smallholder coffee as similarly having small average farm sizes (less than two hectares), primarily held by individual landowners, and with production directed to local, national, and even international markets (typically through collection centers).
Experts listed coffee as the dominant cropping form in 20 % (n = 15) of landscapes in Costa Rica. When an expert identified coffee production in a landscape, it was typically the sole form of production and land use, with pasture, vegetables, and basic grains only occasionally listed as representing a relatively small proportion of the landscape area. Only in a few landscapes in Costa Rica does smallholder coffee appear as a secondary cropping system (based on area cultivated), and that is primarily in landscapes where pasture is the dominant land use. For our set of expert-mapped landscapes in Costa Rica, there is not a single instance where basic grains (subsistence agriculture) are listed as the main agricultural use.
The opposite was the case for Guatemala and Honduras. In Guatemala, our expert respondents mapped more landscapes where the primary agricultural practice is subsistence agriculture for basic grains (37 landscapes, or 36 %) rather than coffee production (21 landscapes, or 20 %). For Honduras, experts listed subsistence agriculture as the primary system within 34 landscapes (28 %) while smallholder coffee production was dominant for 22 landscapes (18 %). From landscapes in both Guatemala and Honduras, we observed more instances where both basic grains and coffee intermix within the same landscape, along with forested land and pasture (Fig. 1). In Guatemala, cardamom cropping systems emerged as an additional example of smallholder crops, often mixed with coffee and basic grains in the central-western region of the country.
3.2 Characteristics of adaptive capacity
When examining the relative contribution of each asset category to the adaptive capacity score across landscapes and within each country, there were several key differences. First, smallholder coffee systems exhibited higher physical capital and increased access to credit (financial capital) than subsistence farming, and this was consistent across all three countries. In Costa Rica, natural capital contributed more to higher adaptive capacity for smallholder coffee than for subsistence farmers. Second, experts in Costa Rica and Honduras indicated that remittances comprised an important source of household income in the majority of subsistence agriculturalist and smallholder coffee communities (61 % of landscapes in Costa Rica, 71 % in Honduras). However, in Guatemala, this was the case for fewer than half of all landscapes. Finally, migration dynamics among smallholder farming landscapes differed somewhat across the three countries. Within Honduras, experts indicated that the main migration trend present in smallholder farming communities was a recent flow of in-migration. While this was also the case for the majority of landscapes in Costa Rica and Guatemala, the other common trend for these countries was for household women to take over the role of head-of-household while men practiced temporary migration for work.
3.3 Shocks and responses among smallholder farming systems
For all three study countries, experts selected disease and pest outbreaks as the type of shock that most affected smallholder coffee systems, ranging from 50 to 63 % of landscapes where smallholder coffee is dominant. This comes as no surprise, given the effects of the coffee rust outbreak across Central America, most notably affecting crops in 2012 (Cressey 2013; FEWS-NET 2016). Disease outbreaks can be characterized as environmental or climate-induced shocks that follow a fast pathway, as compared with slower onset shocks, such as drought (Gray and Bilsborrow 2013). Drought and flooding factored closely behind disease and pest outbreaks for Guatemala and Honduras, and in both these countries, drought primarily impacted subsistence farming. Overall, experts indicated that landscapes received external assistance to help respond to shocks most often when impacted by disease and pest outbreaks, as compared with drought or flooding events. Of the three countries, Costa Rica had the highest proportion of landscapes that received outside assistance, and more specifically in response to disease and pest outbreaks. Guatemala registered as experiencing the lowest degree of assistance in response to any form of shock (fewer than 25 % of landscapes).
4.1 Methodological assessment
Our methodology, which used expert mapping and expert input to assess components of adaptive capacity, allowed us to systematically characterize agricultural landscapes and define landscape-scale adaptive capacity for smallholder farmers in all three countries, despite the lack of secondary data sources and data gaps. Experts provided a wealth of information on the averaged conditions of farming systems and communities within individual landscapes and their relative adaptive capacity based on their long-term experiences in these regions. In addition, experts helped identify various elements factored into determining farmer adaptive capacity within a country-level context, allowing us to create an adaptive capacity index to compare across all landscapes. Our methodology was therefore not only useful for characterizing individual landscapes but also scalable for both cross-landscape comparisons of adaptive capacity within individual countries and cross-national comparisons.
This approach could be easily applied to other developing countries with poor or incomplete data on agricultural production, farmer livelihoods and adaptive capacity, as it depends solely on expert input, workshops, online surveys, and someone to guide the process. The approach provides a combination of both quantitative and qualitative information. As such, this methodology offers an important step forward for countries interested in understanding the adaptive capacity of different communities and identifying which regions can be targeted for more in-depth investigations of the vulnerability of smallholder agriculturalists to climate change.
Our experiences point to three considerations to ensure successful implementation of this approach. First, it is important that the right set of experts are identified and involved in the process. Experts involved should have both long-term and current in-field experience and interaction with these farming communities as well as experience across sub-national regions. We found in-depth understanding of agricultural practices to also be important, but this was not necessarily tied to the expert’s field of expertise. For this study, the selection of field experts working at a sub-national or regional level was most appropriate for our scale of analysis. This sub-national scale can be challenging for both spatial and contextual analysis. Our set of expert respondents could, for the most part, be defined as connectors or intermediary actors who communicate across scales of interest.
Second, there is a need to have a formal process for reconciling overlapping or contested information. Our approach of holding one-day map validation workshops in each country allowed for us to resolve overlaps in a systematic way. Incorporating a larger group of experts, served as a way to reduce potential expert input bias and provide more conservative and consensus characterizations of landscapes. Finally, it is important that the results of the mapping exercises are validated with a broad set of experts to ensure their scientific robustness and external validity of the results.
Bias is an important consideration, especially when considering research that involves valuation or the creation of indices or measures of well-being. Ultimately, we would argue that there is no way to completely eliminate bias from this type of research. Even when utilizing public domain data for analysis, there is inherent bias in the selection of variables to include in measures of adaptive capacity, as well as bias present when developing decision rules for ranking those variables. As a team, our strategy was to prioritize reducing researcher bias at every possible step, and we shifted potential bias to our expert respondents who have more in-depth and local experience.
4.2 Factors that affect the adaptive capacity of smallholder farmers in central American landscapes
Our results characterize smallholder coffee and subsistence farming systems for three countries in a region where climate change-related trends such as extended dry seasons, shorter and more intense rainy seasons, and related incidents of crop pest and disease outbreaks are currently impacting agricultural yields and smallholder livelihoods. This translates to higher food insecurity within the region, especially for those communities already located within the Corredor Seco (Van der Zee Arias et al. 2012) and impacted by the 2015 drought, such as those within Guatemala and Honduras (FEWS-NET 2016). Across the three countries, our experts strongly associated higher adaptive capacity with increased access to markets, credit, on-farm labor, investments in soil conservation, secure land tenure, and less dynamic migration. Overall, these characteristics align closely with what we understand from the literature on assets, adaptation, and coping strategies for smallholder coffee and subsistence farmers in this region (Campos et al. 2014; Alayon-Gamboa and Ku-Vera 2011; Altieri and Koohafkan 2009; Eakin et al. 2006).
Interestingly, there were two instances where the expert characterization and valuation diverged from our understanding from the literature. In the first case, the majority of experts categorized “receives remittances” as indicative of lower adaptive capacity. Having access to a remittance-based stream of income could, on average, increase a household’s capacity to respond to shocks or a community’s overall resilience simply by representing a form of income that is not tethered to land use, thereby decreasing vulnerability to localized shock events, such as those that might result from climate change (Ellis 2000; Bebbington and Perreault 1999). Depending on the context, remittances can result in more input-heavy and intensified agricultural production or relieve the household’s need to focus on agriculture as the primary livelihood strategy (Lambin and Meyfroidt 2010). This is a relevant evidence gap to address within Central America, given the economic contribution remittances make within many countries in the region. Our set of expert-defined landscapes for Honduras ranked highest in terms of receiving remittances, a characteristic that is matched at the national-scale with remittance in-flows representing more than 17 % of GDP (World Bank 2016).
In the second instance, the majority of experts perceived the variable “receiving external assistance” after shock events to represent a certain level of dependence and inability to mobilize internal coping strategies to respond and adapt post-shock. Whereas our initial assumption had been that receiving external assistance would represent some degree of improved access to services and strengthened governance, our expert group viewed this characteristic as indicative of greater need and lower adaptive capacity. It is this divergence between the assessment of experts and our own a priori assumptions about the characterization of adaptive capacity that underscores the value of incorporating local context and a participatory process when attempting to characterize complex aspects of adaptive capacity.
Smallholder coffee farming communities consistently ranked higher in our overall expert assessment of adaptive capacity than subsistence agriculture. Despite the translation by experts of “receiving external assistance” as signifying an inability to cope, subsistence agriculture in Guatemala was scored as having low adaptive capacity, even when indication of external assistance was absent. For both Guatemala and Honduras, climate change will continue to exacerbate existing stresses (e.g. drought conditions) that take a particularly heavy toll in regions where subsistence agriculture is dominant. This, along with further predicted decreases in maize production and yields throughout northern Central America (FEWS NET 2016), translates to a need for policymakers and donors to target strategies for subsistence farmers in both countries that help them at the household level to diversify agricultural production and income and increase access to services to bolster social capital within communities.
While smallholder coffee exhibits higher adaptive capacity in our study, as a farming system, it still poses a set of unique challenges for policymakers needing to design and prioritize adaptation strategies. The investment made by coffee farmers includes time and labor in addition to financial investment, and the entire system is strongly tethered to the land. Therefore, it is incredibly hard to reduce the exposure of smallholder coffee systems to climate change or to recommend a shift from one form of agricultural production to another. The connection that smallholder coffee systems have to more national and international markets, while potentially beneficial for increasing financial capital, can also make these farmers more vulnerable to economic shocks.
While our study finds that smallholder coffee and subsistence farming systems share many similar characteristics, recommendations on how to more efficiently target and increase the adaptive capacity of coffee farmers could look quite different than those for subsistence agriculturalists. Supporting strategies for subsistence agriculturalists to adapt in a changing climate might fall within the responsibility of the state and related government institutions. In the case of smallholder coffee, policymakers could target the involvement of non-governmental actors along the commodity chain, as well as more international donors, to help increase aspects of human and financial capital that allow coffee farmers to more easily adapt in place and respond to disease outbreaks on their farm.
In addition, newer strategies are emerging that focus on avoiding the shift to adaptation strategies that emphasize higher inputs of chemicals and mechanization as a way of mitigating future climate-induced shocks. Such strategies invest in strengthening agricultural extension programs to promote adaptation practices for smallholders that are ecosystem-based. This could generate important short-term livelihood benefits as well as long-term benefits through ensuring improved ecosystem health (Vignola et al. 2015). Such ecosystem-based adaptation strategies recognize the benefits that local ecosystems can yield in terms of smallholder crop production, and buffers from the impacts of negative environmental or climate shocks. Evidence is still building on the effects of ecosystem-based adaptation (EbA) strategies on adaptive capacity. Ecosystem-based strategies promote the adoption of agricultural practices that are already recognized to benefit both smallholder coffee and subsistence agriculturalists and their crop production in the long-term (Vignola et al. 2015).
The methodology we have used in this study can be replicated, revised, and explored at different spatial scales and geographies. It can help decision-makers in Central America as well as other developing regions, where smallholder farmers are key constituents of the population and limited information is available on their adaptive capacity. While this approach does not replace the need for collecting reliable and consistent data on these farming systems for the public domain (e.g. agricultural censuses), it can work to complement and ultimately enhance analysis of those data by systematically integrating and summarizing the contextual knowledge of local experts. We see the approach as one that is transferable to other countries that face critical data gaps, while the involvement of experts helps account for sub-national contexts.
The results from this expert-informed mapping and characterization of adaptive capacity for smallholder coffee and subsistence farmers provide policymakers, donors and practitioners with detailed, spatially-explicit, and up-to-date information not only on where these farming systems are located, but also on farmers’ specific agricultural practices and ability to cope in response to shocks, such as those induced by climate change. While it is challenging for countries to effectively reduce the vulnerability of their more marginalized populations through focusing on their degree of exposure or sensitivity (as other recognized components of vulnerability), policymakers can leverage attention and assistance to increase the adaptive capacity of these populations. A rapid mapping assessment and farming system characterization, such as the one we present here, can provide guidance on where to focus adaptation plans at a national level and how to strategically target and implement adaptation efforts within smallholder farming communities to improve their ability to cope and adapt in place.
This study was conducted as part of the CASCADE project (“Ecosystem-based Adaptation for Smallholder Subsistence and Coffee Farming Communities in Central America”). This project is part of the International Climate Initiative (ICI). The German Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety (BMUB) supports this initiative on the basis of a decision adopted by the German Bundestag.
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