A consumption-oriented approach to measuring regional food self-sufficiency

Godenau, Dirk; Hernández, José Juan Cáceres; Martin-Rodriguez, Gloria; González-Gómez, José Ignacio

doi:10.1007/s12571-020-01033-y

Cited by 16 publications

(18 citation statements)

References 39 publications

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“…This approximation to Net Food Consumption will henceforth be denoted as NFC. Although a detailed explanation of the assumptions introduced for the calculation of local or imported production of different foods can be found in [ 16 ], some of the basic elements for understanding the nature of the procedures are briefly described below, and greater attention is paid to those aspects that refer to the measurement of the dimensions considered and the assessment of intake based on assumptions about the amount of food waste.…”

Section: Methodsmentioning

confidence: 99%

“…The BEDCA database (Spanish Food Composition Database) records the kilocalorie content per 100 g of edible portion of the foods considered. Once production volumes have been converted into edible weight as explained in [ 16 ], it is possible to evaluate their energy content. In this sense, the nutritional equivalents (kilocalories, grams of protein, grams of fat, grams of carbohydrates, grams of alcohol, and grams of saturated fatty acids, per 100 g of edible portion) published in BEDCA and some records included in [ 22 ] have been applied.…”

Section: Methodsmentioning

confidence: 99%

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Food consumption in the Canary Islands: nutritional implications of food imports and local production

et al. 2022

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Background The composition of the average diet for the Canary Islands’ population has been the subject of concern for the region’s authorities and nutrition specialists. In this study, the composition of the average diet in the Canary Islands is estimated. Method The approach is based on secondary data on local production and external trade. The breakdown of the total volume of apparent food consumption into specific product categories marketed to the consumers is achieved by applying hypotheses about losses in the distribution process. The estimation of food intake is obtained by making assumptions about the rates of food wastage in the final stage of consumption. This consumption is expressed not only in terms of edible weight and the market value associated with different food groups according to their local or imported origin, but also in terms of their energy and nutrient content. Results The results obtained suggest a high-calorie diet, close to three thousand kilocalories per person per day, with an average cost of around eight euros per person per day. Imported products, with a lower average cost per unit of energy, provide most of the carbohydrates and fats. Conclusion This study provides a complementary approach to survey-based evidence and also offers the possibility of evaluating the contributions of local or imported food to the diet.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Food consumption in the Canary Islands: nutritional implications of food imports and local production

et al. 2022

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“…The trend line analysis method mainly uses the least square method to simulate the change trend of TSPV over time per pixel [28], which can eliminate the influence of extreme climate in individual years on TSPV to a certain extent [40]. Its calculation formula is as follows: (6) where θslope is the trend slope; Yi is the standard TSPV of the i-th year (kg•hm −2 •a −1 ); and i is the annual variable. When θslope < 0, it indicates that TSPV is decreasing.…”

Section: Trend Analysismentioning

confidence: 99%

“…For a long time, the production structure, trade circulation, supply and demand relationship, etc. have been sources of great concern, both in China and abroad [2][3][4][5][6][7][8][9]. Food supply, water shortage, food security and climate change are the biggest challenges facing mankind in the future [10,11].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Population–Food Relationship from the Perspective of Climate Productivity Potential: A Case Study of Eastern Gansu in Northwest China

Cheng

Shuyan

2022

Atmosphere

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Suffering from the double blow of the new crown pneumonia epidemic and floods, food security issues have once again become a source of concern. Eastern Gansu is an important dry farming area in northwestern China, and agricultural production has been greatly affected by climate change. Based on the climate data of 17 national meteorological stations in eastern Gansu from 1961 to 2020 and the data on population, grain planting area and grain production in each region from 1986 to 2019, using the Thornthwaite Memorial model, this paper analyzed the climate production potential (TSPV), population carrying capacity and population carrying capacity index in eastern Gansu, and then revealed the relationship between population and food in eastern Gansu. The findings and results revealed that: (1) over the past 60 years, the temperature in eastern Gansu has been increasing and precipitation has been decreasing; (2) TSPV has been increasing. Moreoever, the spatial distribution was significantly different, showing a trend of decreasing from the southeast to the northwest. Lintao, Huining, and Jingtai displayed a decreasing trend, while other areas exhibited an increasing trend. Precipitation was the main limiting factor for TSPV; (3) Grain production continued to increase due to changing hydrothermal conditions and improved production efficiency. Cultivated land–population carrying capacity and climate production potential–population carrying capacity (TSPV–population carrying capacity) both exhibited a significant increasing trend (p < 0.01). Cultivated land–population capacity increased from southeast to northwest, and all stations expressed an increasing trend. TSPV–population carrying capacity increased from southeast to northwest, and the whole region displayed an increasing trend. Even in extremely reduced production years, TSPV–population carrying capacity was also greater than cultivated land–population carrying capacity. This revealed that, under ideal conditions, TSPV–population carrying capacity can fully meet the needs of the current population. (4) The population carrying capacity index showed a significant downward trend (p < 0.01). It showed a trend of decreasing from south to north, and whole area underwent a decreasing trend consistently, indicating that the population–food relationship in eastern Gansu tended to be balanced. This result was conducive to correct assessment of the relationship between people and food in the study area, and provided a reference for formulating food policies.

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“…On the one hand, qualitative methods, such as socio-empirical surveys, are able to finely illustrate the stakeholders' behaviors [18]. On the other hand, quantitative food assessments can give an overview of the status of the food supply and demand [19][20][21][22][23][24][25], whereas other methodologies are focused on the current spatial distribution of crops and land use change dynamics (e.g., in urban areas) [26,27].…”

Section: Introductionmentioning

confidence: 99%

Foodshed, Agricultural Diversification and Self-Sufficiency Assessment: Beyond the Isotropic Circle Foodshed—A Case Study from Avignon (France)

et al. 2021

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The regionalization of food systems in order to shorten supply chains and develop local agriculture to feed city regions presents particular challenges for food planning and policy. The existing foodshed approaches enable one to assess the theoretical capacity of the food self-sufficiency of a specific region, but they struggle to consider the diversity of existing crops in a way that could be usable to inform decisions and support urban food strategies. Most studies are based on the definition of the area required to meet local consumption, obtaining a map represented as an isotropic circle around the city, without considering the site-specific pedoclimatic, geographical, and socioeconomic conditions which are essential for the development of local food supply chains. In this study, we propose a first stage to fill this gap by combining the Metropolitan Foodshed and Self-sufficiency Scenario model, which already considers regional yields and specific land use covers, with spatially-explicit data on the cropping patterns, soil and topography. We use the available Europe-wide data and apply the methodology in the city region of Avignon (France), initially considering a foodshed with a radius of 30 km. Our results show that even though a theoretically-high potential self-sufficiency could be achieved for all of the food commodities consumed (>80%), when the specific pedological conditions of the area are considered, this could be suitable only for domestic plant-based products, whereas an expansion of the initial foodshed to a radius of 100 km was required for animal products to provide >70% self-sufficiency. We conclude that it is necessary to shift the analysis from the size assessment to the commodity-group–specific spatial configuration of the foodshed based on biophysical and socioeconomic features, and discuss avenues for further research to enable the development of a foodshed assessment as a complex of complementary pieces, i.e., the ‘foodshed archipelago’.

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A consumption-oriented approach to measuring regional food self-sufficiency

Cited by 16 publications

References 39 publications

Food consumption in the Canary Islands: nutritional implications of food imports and local production

Food consumption in the Canary Islands: nutritional implications of food imports and local production

Evaluation of Population–Food Relationship from the Perspective of Climate Productivity Potential: A Case Study of Eastern Gansu in Northwest China

Foodshed, Agricultural Diversification and Self-Sufficiency Assessment: Beyond the Isotropic Circle Foodshed—A Case Study from Avignon (France)

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