Relevant bibliographies by topics / Ecological Model of Food and Nutrition

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Ecological Model of Food and Nutrition'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Ecological Model of Food and Nutrition"

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Kodish, Stephen R., Kelsey Grey, Maryam Matean, Uma Palaniappan, Stanley Gwavuya, Caitlin Gomez, Tinai Iuta, et al. "Socio-Ecological Factors That Influence Infant and Young Child Nutrition in Kiribati: A Biocultural Perspective." Nutrients 11, no. 6 (June 13, 2019): 1330. http://dx.doi.org/10.3390/nu11061330.

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This study sought to elucidate the multi-level factors that influence behaviors underlying high childhood stunting and widespread micronutrient deficiencies in Kiribati. This two-phase formative research study had an emergent and iterative design using the socio-ecological model as the guiding theoretical framework. Phase 1 was exploratory while phase 2 was confirmatory. In phase 1, in-depth interviews, free lists, seasonal food availability calendar workshops, and household observations were conducted. In phase 2, focus group discussions, pile sorts, participatory workshops, and repeat observations of the same households were completed. Textual data were analyzed using NVivo software; ethnographic data were analyzed with Anthropac software for cultural domain analysis. We found a combination of interrelated structural, community, interpersonal, and individual-level factors contributing to the early child nutrition situation in Kiribati. Despite widespread knowledge of nutritious young child foods among community members, households make dietary decisions based not only on food availability and access, but also longstanding traditions and social norms. Diarrheal disease is the most salient young child illness, attributable to unsanitary environments and sub-optimal water, sanitation, and hygiene behaviors. This research underscores the importance of a multi-pronged approach to most effectively address the interrelated policy, community, interpersonal, and individual-level determinants of infant and young child nutrition in Kiribati.
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Nadorff, Danielle, and Rahel Mathews. "Too Many Treats or Not Enough to Eat? The Impact of Custodial Grandparents on Food Security and Nutrition." Innovation in Aging 4, Supplement_1 (December 1, 2020): 350. http://dx.doi.org/10.1093/geroni/igaa057.1125.

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Abstract In the US, 28.5% of seniors are obese, with a BMI of 30 plus. The prevalence of obesity for children is also an alarming 17%, making it one of the primary public health burdens. According to the socio-ecological model, a child’s weight status can be influenced by factors related to parenting style, family, and the community. The literature reflects a significant emphasis focusing on children and their parents. However, according to the US Census, 7.5 million grandchildren are living with their grandparents, with about 1/3 of these residing in skipped-generation households. There are essential age-related differences in food preparation and eating behaviors between middle-aged and older grandparents and younger adult parents that may influence their children’s eating behaviors. Grandparents may provide a positive feeding environment, including role-modeling healthy food intake, teaching children about nutrition, and involving them in mealtimes and cooking, monitoring and encouraging children to eat nutritious foods, especially vegetables and regularly serving vegetables. However, grandparents have also reported providing energy-dense and nutrient-poor food and drinks and used food as a reward or gift. The current study aims to investigate the influence of caregiver type (grandparents only, parents only, or multigenerational households) on children’s nutrition, food security, and BMI. One-way ANCOVAs controlling for SES found that grandparent-headed households had children with more deficient diet and higher BMIs, but also less food insecurity. These results indicate that age-related changes in caregiver type are an important predictor of children’s nutritional health. Details and clinical implications will be discussed.
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Hardinsyah, Hardinsyah. "REVIEW FAKTOR DETERMINAN KERAGAMAN KONSUMSI PANGAN." Jurnal Gizi dan Pangan 2, no. 2 (July 14, 2007): 55. http://dx.doi.org/10.25182/jgp.2007.2.2.55-74.

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<p class="MsoNormal" style="margin: 0cm 12.6pt .0001pt 18pt; text-align: justify; text-indent: 27pt;"><span style="font-size: 10pt;" lang="en-us" xml:lang="en-us">Index of food intake diversity or dietary diversity reflects the nutritional quality of the diet; and it is associated with nutritional health outcomes. Understanding factors determine index of dietary diversity is important for improving nutritional-health status of the people. However, no studies have been done to capture completely the determinant factors of dietary diversity. This journal article is intended to review the determinants factor of dietary diversity from studies done in both develop and developing countries at individual and household levels. The results show that four studies analyzed the food data at individual level and the other four studies analyzed the food data at household level; and most of the studies were done in USA. Method of dietary diversity measurement and its statistical analysis varies among the studies. A few dietary diversity studies have investigated particular determinant factors with attention given to assessing nutrition knowledge and socio-demographic factors; and the others on economic and ecological factors. The present review suggested that the determinant factors of dietary diversity are nutrition knowledge, food preference, household size and composition, food availability and ecological factors, time availability for food preparation, and food purchasing power e.g. income, food expenditure and food prices. Based on this review a comprehensive conceptual framework and model of the determinant factors of dietary diversity could be developed.</span></p>
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Carins, Julia, and Sharyn Rundle-Thiele. "Fighting to eat healthfully: measurements of the military food environment." Journal of Social Marketing 4, no. 3 (September 30, 2014): 223–39. http://dx.doi.org/10.1108/jsocm-02-2014-0013.

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Purpose – The purpose of this paper is to report on a quantitative study of the food environment designed to measure aspects of support for healthy eating. Design/methodology/approach – An ecological view of eating behaviour was taken by examining the food environment that surrounded a military population of interest. Food outlets (n = 34) were assessed using the Nutrition Environment Measures Survey in store (NEMS-S), Nutrition Environment Measures Study in restaurants (NEMS-R) and military Nutrition Environment Assessment Tool (mNEAT) instruments to determine how well food outlets supported healthy eating. Findings – Despite better-than-average provision of healthy options on-base, the total environment surrounding the military base barely supports healthy eating. Average support to healthy eating was 45 per cent (NEMS) or 27 per cent (mNEAT) of support that could be measured. Individuals accessing this food environment would find few healthy alternatives, little information directing them to healthy choices and pricing and promotion that drives unhealthy eating behaviours. Research limitations/implications – This study focused on one food environment; replication is recommended to establish foundation data for benchmarking outlets, and further develop these measures for Australian settings. Future studies may assess the media environment to further extend the ecological model used. Practical implications – A method to measure the food environment is demonstrated which provides formative research insights for use when planning social marketing interventions. Consideration of these influences together with intra- and inter-personal influences offer the potential to better design social marketing healthy eating interventions, by addressing multiple levels within an ecological framework. Originality/value – This paper answers calls for social marketers to consider the influence of the surrounding environment, using methods not previously used in Australian settings.
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Glibert, Patricia M. "Phytoplankton in the aqueous ecological theater: Changing conditions, biodiversity, and evolving ecological concepts." Journal of Marine Research 77, no. 2 (December 15, 2019): 83–137. http://dx.doi.org/10.1357/002224019828474304.

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Phytoplankton communities, from lakes to oceans, are changing with anthropogenic nutrient loading and climate change. So, too, are the tools by which phytoplankton are quantified and characterized, yielding a torrent of new data and new types of data that can be related to ecosystem function. New insights have been gained about the physiology of resource acquisition by phytoplankton, allowing new relationships between phytoplankton biodiversity and function to be developed. Despite years of emphasis on the use of inorganic substrates in support of phytoplankton nutrition, it is now well understood that phytoplankton rely on a broad suite of substrates, both dissolved and particulate. Simple characterizations of limiting nutrients are not sufficient to understand how phytoplankton biodiversity is changing, or may change, in future conditions. Ecological theory is also advancing. Ecological stoichiometry brings the seemingly divergent concepts of nutrient limitation and trophic interactions together by recognizing that different organisms both within and between trophic groups have fundamentally different elemental requirements, that food web structure is a function of not only food quantity but also food quality, and that these interactions result in a complex suite of feedbacks that shape community composition. Trait-based (functional response) approaches are increasingly applied in characterizing ecosystem function and response, and new models are also emerging allowing new genomic data to be incorporated in models of ecosystem function. Climate change and altered nutrient loads should continue to motivate both new dynamic balance model architectures and new experimental investigations that support them. This article uses the metaphor of ecological theater to convey contemporary trends and themes against the backdrop of a changing world. There is potential for the outcome of the aqueous play to be characterized as tragedy with more harmful taxa emerging, but with continued science advancements—and if efforts to reduce nutrient pollution and control climate change become global priorities—there can be optimism in the face of tragedy.
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Aboussaleh, Y., R. Capone, and H. El Bilali. "Mediterranean food consumption patterns: low environmental impacts and significant health–nutrition benefits." Proceedings of the Nutrition Society 76, no. 4 (June 29, 2017): 543–48. http://dx.doi.org/10.1017/s0029665117001033.

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The Mediterranean dietary patterns comply better with recommended nutrient and micronutrient intakes. The Mediterranean diet (MD) was associated with reduced mortality and lower risk for metabolic chronic diseases. It has also low ecological, carbon and water footprints due to its high share of plant-based foods. In fact, the share of plant-based dietary energy is higher in the Mediterranean than in Northern Europe. The Mediterranean hotspot is a major centre of plant and crop diversity. Mediterranean people gather and consume about 2300 plant species. This review paper aims at highlighting the nutrition–health benefits of the MD and analysing the main environmental impacts of the Mediterranean food consumption patterns. There is a growing body of scientific evidence that the MD has significant health–nutrition benefits and low environmental footprints, so there is urgent need to reverse the ongoing erosion of the MD heritage and to promote it as a sustainable diets model.
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Lihoreau, Mathieu, Michael A. Charleston, Alistair M. Senior, Fiona J. Clissold, David Raubenheimer, Stephen J. Simpson, and Jerome Buhl. "Collective foraging in spatially complex nutritional environments." Philosophical Transactions of the Royal Society B: Biological Sciences 372, no. 1727 (July 3, 2017): 20160238. http://dx.doi.org/10.1098/rstb.2016.0238.

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Nutrition impinges on virtually all aspects of an animal's life, including social interactions. Recent advances in nutritional ecology show how social animals often trade-off individual nutrition and group cohesion when foraging in simplified experimental environments. Here, we explore how the spatial structure of the nutritional landscape influences these complex collective foraging dynamics in ecologically realistic environments. We introduce an individual-based model integrating key concepts of nutritional geometry, collective animal behaviour and spatial ecology to study the nutritional behaviour of animal groups in large heterogeneous environments containing foods with different abundance, patchiness and nutritional composition. Simulations show that the spatial distribution of foods constrains the ability of individuals to balance their nutrient intake, the lowest performance being attained in environments with small isolated patches of nutritionally complementary foods. Social interactions improve individual regulatory performances when food is scarce and clumpy, but not when it is abundant and scattered, suggesting that collective foraging is favoured in some environments only. These social effects are further amplified if foragers adopt flexible search strategies based on their individual nutritional state. Our model provides a conceptual and predictive framework for developing new empirically testable hypotheses in the emerging field of social nutrition. This article is part of the themed issue ‘Physiological determinants of social behaviour in animals’.
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Tallant, A. "Nutrition Discovery Photovoice Project: Using the Social Ecological Model to Understand Food Choices among First Year College Students." Journal of the American Dietetic Association 111, no. 9 (September 2011): A51. http://dx.doi.org/10.1016/j.jada.2011.06.181.

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Busse, H. A., W. Jogo, M. Fofanah, H. Tesfay, M. Hadush, E. Kiflom, and S. Schulz. "Participatory Assessment of Factors Influencing Nutrition and Livelihoods in Rural Ethiopia: Implications for Measuring Impacts of Multisector Nutrition Programs." Food and Nutrition Bulletin 38, no. 4 (April 13, 2017): 468–84. http://dx.doi.org/10.1177/0379572117703265.

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Agricultural interventions more effectively improve nutrition when they are adapted to local contexts and engage multiple sectors. However, evidence is limited for how to design and measure the impacts of such interventions. We piloted a participatory methodology to collect community feedback to inform the design and selection of measures for a multisector nutrition intervention in Ethiopia. Study participants were purposively recruited from 6 rural districts in Tigray and the Southern Nations, Nationalities, and Peoples’ regions. Qualitative data were collected from 12 focus group discussions with smallholder farmers (men and women) participating in a nutrition-sensitive agriculture intervention. The Sustainable Livelihoods Approach (SLA) combined with an ecological systems model informed the survey tool and analyses. Analyses revealed 3 key findings. First, there were regional differences in how communities defined assets important for nutrition. Second, when asked to prioritize which assets were most important, communities selected every SLA capital category; however, the types of assets within each category differed by region. Third, the most commonly reported barriers to good nutrition were traditional feeding behaviors (eg, men eating before women) and lack of nutrition knowledge. How households use assets to enhance nutrition is influenced by diverse and dynamic cultural, social, economic, and ecological factors. The participatory methods piloted in this study present a novel approach to identify contextually relevant household, community, and institutional assets used to support food and nutrition security.
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Pradhan, Aliza, Raju S., Nithya D. J., Akshaya Kumar Panda, Rupal D. Wagh, Mahesh R. Maske, and Bhavani R. V. "Farming System for Nutrition-a pathway to dietary diversity: Evidence from India." PLOS ONE 16, no. 3 (March 18, 2021): e0248698. http://dx.doi.org/10.1371/journal.pone.0248698.

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Farming is the main livelihood of a majority of people in India. The country is also home to a large population of undernourished people. This indicates potential for mainstreaming the nutrition dimension in the farming system to impact on nutrition outcomes. A Farming System for Nutrition (FSN) study was conducted in two agro-ecologically different locations from 2013–2018, to explore the feasibility of nutrition-sensitive agricultural interventions. The baseline survey in 2013–2014 revealed that the population in the study area was largely undernourished and that household diets were cereal-dominated. The FSN model was designed in consultation with community members, to increase availability of nutrient-dense cereals and pulses, by enhancing production and crop diversification at the farm level, promoting cultivation of nutrient-rich fruits and vegetables in nutrition gardens and supporting interventions to promote access to animal foods. Nutrition awareness initiatives were undertaken to build capacity at the local level and translate production diversity to consumption diversity. An endline survey was conducted in 2017 (July-October), following three years of intervention. Crop, vegetable and animal food production and food consumption was compared with the baseline data. There was evidence of higher production and consumption of nutrient rich foods, improved household dietary diversity; and understanding and acceptance of nutrition-sensitive agriculture. The number of items consumed under each food group, frequency of consumption of food and average per capita intake of nutrient-rich foods were found to have improved. The results provide evidence regarding feasibility of location-specific FSN models to promote sustainable and healthy diets, using locally available plant and animal food resources, to address nutrition deficiencies in farm families.
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Dissertations / Theses on the topic "Ecological Model of Food and Nutrition"

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Alkhuzaim, Faisal Kh. "“I Want Ketchup on my Rice”: The Role of Child Agency on Arab Migrant Families Food and Foodways." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7258.

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This exploratory research study examines changes in food and foodways (food habits) among Arab migrant families in a small community in Tampa, Florida. It also explores how those families’ children may play a role in the process of change. Within this community, I conducted my research study at a private school, where I recruited families with children between the ages of eight and seventeen. In applying the ecological model of food and nutrition and the developmental niche theoretical framework, this research draws on qualitative methods, including structured interviews with parents; focus group discussion with parents; a food survey; and children’s focus groups that included engaging activities such as vignettes (role playing), free-listing and sorting, and one-day food menus. I used MAXQDA 18 software for qualitative data analysis, and the results show that the main factors aiding in post-migration food and foodways changes are time constraints (lifestyle), ingredients, and availability and accessibility of permissible food (halal). Parent did not mention their children as a main factor; however, they perceive influence of their children. Feeding practices such as rewarding, restriction, forcing, and family meals were emerging themes, and children express their agency around those practices. Children developed their own agency regarding food because of their social and physical environments. Older children perceived their influence on their families’ food and foodways by introducing food items to their own families.
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Kenny, Tiffannie. "The Inuit Food System: Ecological, Economic, and Environmental Dimensions of the Nutrition Transition." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36157.

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From the Arctic to the South Pacific, Indigenous Peoples have experienced a rapid nutrition transition involving the decline of traditional/subsistence-based ways of life and the adoption of a “Western” diet that is high in saturated fats, sugar, and processed foods. This dietary shift has been paralleled by an increased prevalence of obesity, diabetes, and, other diet-related chronic diseases. In the Arctic, rapidly changing biophysical conditions, globalization, and integration into market economies are collectively challenging access to both country foods and nutritious market foods. Food security and nutrient adequacy thus remain elusive for Inuit communities of northern Canada. Premised upon the view that human well-being is predicated upon complex and dynamic interactions between ecosystems, economies, and societies, this dissertation integrates multiple lines of inquiry and scales of engagement (community, regional, and national) to further understanding of the nutrition transition among Inuit in Canada. The thesis is comprised of two sections. Section 1 bridges the often disparate fields of human nutrition and wildlife conservation by addressing key questions about the status and management of Arctic species, and the implications for Inuit food security and health. For example, caribou (Rangifer tarandus) populations across the circumpolar north are currently experiencing dramatic declines in abundance and restrictions on Inuit subsistence harvest are currently implemented for several caribou populations. Caribou, however, is the primary source of protein and several micronutrients involved in the prevention of anemia (e.g. iron zinc, copper, riboflavin, and vitamin B12) in the contemporary diet of Inuit adults. Caribou consumption is also positively associated with hemoglobin levels in Inuit adults. Section 2 considers elements of the market food system in Inuit communities. We found that the most popular market foods consumed by Inuit (e.g. sweetened beverages, added sugar, and bread) contribute significantly to total diet energy while contributing minimally to most micronutrients. Using optimization models, we have demonstrated that a nutritious diet (one meeting Health Canada dietary reference intake values) is theoretically feasible based on a mix of country food and market food, and at relatively little additional cost from current diets. However, significant deviations in patterns of food expenditure away from sweetened beverages, towards dairy, and whole fruits and vegetables would be required. Taken collectively, this thesis provides important information, as well as new tools, and approaches, for communities, wildlife conservation and public health professionals to jointly promote ecosystem and human health in a rapidly changing environment.
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Flamm, Laura Jayne. "Fair Food: Justice and Sustainability in Community Nutrition." Miami University Honors Theses / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=muhonors1270965544.

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Mitchell, Ellen Sullivan. "Women's experience of food cravings : a biopsychosocial model /." Thesis, Connect to this title online; UW restricted, 1986. http://hdl.handle.net/1773/7219.

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Urbina, Jezabel. "Improving Nutrition among Supplemental Nutrition Assistance Program Recipients Using a Monetary Incentive Model." ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/5668.

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The Supplemental Nutrition Assistance Program (SNAP) is the United States' largest government assistance program that aims to alleviate food insecurity. The SNAP program allows low-income individuals and families the ability to purchase nutritious foods through a monthly benefit. However, the current body of literature presents evidence of the program's counterproductive effect. The purpose of this study was to determine whether incentivizing SNAP recipients to purchase additional fruits and vegetables was beneficial in increasing such purchases. Social cognitive theory was used as a theoretical framework to address research questions associated with shopping patterns and attitudes and beliefs. This quantitative study used a randomized controlled trial to study differences between incentivized and control groups. The Healthy Incentives Pilot Program (HIP) used a stratified sampling of 55,095 SNAP households receiving benefits between July, 2011, and December, 2012. Statistical analyses (t test, Pearson correlation, and multiple regression analysis) were conducted to identify changes in food shopping patterns and eating behaviors associated with the HIP intervention. Results indicated that (a) incentivizing SNAP recipients leads to an increase in fruit and vegetable purchase, and (b) a correlation exists between fruit and vegetable purchase and attitudes and beliefs. No correlation was found between the intervention and changes in food shopping patterns. Positive social change implications include the improvement of health outcomes in over 43 million people currently enrolled in the SNAP program on a national level.
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Malkin-Washeim, Diana Louise. "Electronic Benefit Transfer: Food Choices, Food Insecurity, and Type 2 Diabetes." ScholarWorks, 2015. http://scholarworks.waldenu.edu/dissertations/1318.

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The purpose of this research was to examine food security for people with prediabetes participating in the Supplemental Nutrition Assistance Program (SNAP), focusing on their food choice decisions and coping strategies over a 30-day benefit cycle that potentially increases the risk of Type 2 diabetes. A cross-sectional, quantitative design based on food choice process model constructs was used. SNAP participants (n = 36) with prediabetes, aged 21â??70 years, were recruited as outpatients from Bronx Lebanon Hospital and completed self-reported questionnaires on demographics and health, food security, and food frequency. Descriptive statistics, Pearson chi square tests, and regression analysis were performed using SPSS. Also, independent t test, and Levene's test were used for ad hoc analysis to assess variation of food choice decisions over 30 days. Of the sample, 5% had low and 95% very low food secure status. Food security status did not predict coping strategies (p = .724); however, food security status and type of coping strategy had a moderate relationship (p < 0.01; r =.60). Food choices of 11 food categories changed over a 30-day cycle with greatest variation for Week 1, compared to Weeks 2â??4 (p < .005). Use of coping strategies to minimize hunger was limited. Very low food security associated with certain coping strategies disrupted eating patterns. Disrupted eating patterns affect food variation over time, increasing the intake of non-nutrient-dense foods and the risk of obesity and Type 2 diabetes. The implications for positive social change include the potential to change SNAP's benefit allotments, make nutrition education mandatory, and create a nutrition package, thereby lowering food insecurity and the risk of Type 2 diabetes.
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Brooks, Alison Suzanne. "Development of an East Tennessee Tri-County Community Food Assessment Instrument to Aid in the Construction and Implementation of a Working Food Model." Digital Commons @ East Tennessee State University, 2005. https://dc.etsu.edu/etd/997.

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The purpose of this study was to determine the needs and relationships of high-risk community members in Cocke County Tennessee to food sources. Cocke County was chosen as the representative county in this pilot study due its high percentage of residents living at or below the poverty level, which can lead to hunger and food insecurities. A community food assessment was conducted among residents participating in a commodities disbursement program in Cocke County. Two hundred seven individuals participated in this survey. The results of the surveys were posted and analyzed using an online statistical analysis software program. With the needs of the Cocke County community identified, steps will be taken to implement a plan of action and the results from this study will also be used as a model to identify needs in both Greene and Hancock counties as well as other counties in the Northeast Tennessee region.
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Chakona, Gamuchirai. "Changes in household food security, nutrition and food waste along an agro-ecological gradient and the rural- urban continuum in mid-sized South African towns." Thesis, Rhodes University, 2017. http://hdl.handle.net/10962/6484.

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The lack of dietary diversity is a severe problem experienced by most poor households globally. Most poor communities are at high risk of inadequate intake of micronutrients resulting from diets dominated by starchy staples. The present study considered the diets, dietary diversities and food security of women of reproductive age between 15-49 years, households and communities along the rural-urban continuum in three mid-sized towns situated along an agro-ecological gradient in South Africa. A 48-hour dietary recall was performed across two seasons (twice in summer and once in winter) and focus group discussions were held to gather all information including food abundance, seasons of food scarcity as well as coping strategies which households employ during periods of food shocks. Households were further asked to quantify any type of food waste that they could have generated in the previous 48 hours. Nutritional status of children under the age of five in all three towns was also measured using height-for-age (HAZ) and mid-upper arm circumference (MUAC) as indicators of stunting and wasting respectively. The household surveys were conducted with 554 women randomly selected in rural, peri-urban and urban locations of Richards Bay, Dundee and Harrismith. For nutritional status, the sample consisted of 216 children who were randomly selected from the sampled households in rural, peri-urban and urban locations of the study sites. Household Dietary Diversity Scores (HDDS) and Women’s Dietary Diversity Scores (WDDS) were calculated from the food items consumed by each household and each woman over a two-day period, respectively. Household food access was also measured for each household using Household Food Insecurity Access Scale (HFIAS). The mean WDDS and HDDS for the wettest site of Richards Bay (3.8±0.29 and 8.44±1.72, respectively) was significantly higher than at Dundee (3.4±0.30 and 7.76±1.63, respectively) and Harrismith (3.5±0.27 and 7.83±1.59, respectively) which were not different from one another. The mean HFIAS for Dundee (9.39±7.13) was significantly higher than that in Richards Bay (5.57±6.98) and Harrismith (6.43±6.59) which were not significantly different from one another. Dietary diversity scores were also significantly higher in urban locations than in peri-urban and rural ones whilst HFIAS was significantly lower in the urban locations than peri-urban and rural locations. There was lower dependence on food purchasing in Richards Bay compared to Dundee and Harrismith where the majority of the population was purchasing most of their food. The majority of Richards Bay households were involved in subsistence agriculture and also produced a surplus for sale, as well as collecting wild foods, which improved food security, unlike Dundee and Harrismith. Food insecurity was higher in rural and peri-urban areas compared to urban areas. In all towns, food was always available throughout the year but was beyond the reach of many households. In urban areas food was readily available and only limited by access, whereas rural populations have limited access to affordable food and face higher prices. The peri-urban populations were more food insecure because of high levels of poverty, unemployment and lack of access/entitlements to land. Periurban dwellers are therefore more sensitive to changes in incomes and food prices because they lack safety nets to absorb income or price shocks as they purchase more, rather than growing their own food. Household dietary diversity was significantly negatively correlated with household food access, that is households with low HDDS had higher HFIAS scores. Due to high levels of food insecurity, a greater percentage of children under the age of five years were stunted (35 %) and wasted (18 %). There were no significant differences in stunting along the agro-ecological gradient, along the rural-urban continuum and sex of child. However, significant differences were observed in child wasting along the agro-ecological gradient with Harrismith having more wasted children than the other two towns, which were not significantly different from each other. Significant differences were also observed between MUAC and sex of child where male children had higher MUAC than females. Wasting was significantly negatively associated with HDDS, with children from households with low HDDS tending to have large MUAC thus showing an inverse association among HDDS and obesity. However, further studies are needed to confirm this finding. In general food insecurity was closely associated with low wealth, food expenditure, large household size and limited access to land. The study did not find any significant role in the use of wild foods and social grants in improving food security for those households who were consuming wild foods and those receiving social grants. Although a greater percentage of households were food insecure, significant amounts of unprepared food (495±179 g per household) were wasted in Richards Bay alone in 48 hours mainly because the food had passed the best before date or had visibly gone bad. The amount of food waste was closely significantly negatively associated with household size. In general, the prevalence of food insecurity and wasting followed the agro-ecological gradient, with households in Richards Bay where the area.
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Stadler, Kathleen M. "Empowerment Process Model for Implementing Participatory Strategies: Testing a Model That Describes the Context of Food and Nutrition Problems of Dominican Women." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30587.

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In this participatory action research study, an Empowerment Process Model (EPM) was tested for the development of feasible action plans that addressed the priority concerns and the implicit food and nutrition problems of village families within their current socio-economic and political context. The Visual Verification Survey (VVS) was used to test the EPM results and its usefulness with similar participants. An EPM with 24 village women and a VVS with 68 village women were purposefully sampled in two locations in Dominica, West Indies, along with key informant interviews with eleven agency leaders to identify, prioritize, and describe their perceptions of villagers' life problems, the root causes of the problems, and solutions. This community-based approach used participatory non-written activities and locally developed visual aids to empower Dominican women to develop feasible action plans: a sewing workshop, how to start a business workshop, coffee house project, and women's group. Thematic content analysis and participatory activities were used to identify the themes and "give voice" to the participants' perceptions of top prioritized life problems: unemployment and economic issues, alcohol and drug abuse, lack of educational services, and teenage pregnancy. When specifically asked, the women identified basic health, food, and nutrition concerns, such as a steady income to buy food, a variety of foods to maintain health, and an accessible, clean water supply. The study revealed substantial differences in the rankings between the EPM and VVS women. The differences may have been influenced by the women's educational level, family situation, and previous involvement in community activities and leadership roles. Similar top prioritized root causes associated with many life problems by the women included lack of educational services, facilities and qualified teachers; and girls exchanging sexual favors for money or possessions. Overall, key informants and the Dominican women participants had similar perceptions of prioritized life problems of typical Dominican families. The results of the research demonstrated the need for site-specific programs and assessments using participatory non-written activities to engage a variety of women and to satisfy their diverse needs and locations. To become effective and sustainable, nutrition programming should be integrated into overall life problems.
Ph. D.
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Keller, Sylvia D. "Validation of Peer-Teaching-Peer Paraprofessional Model in Teen Parenting Nutrition Education." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/390.

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Each year, teen pregnancy occurs in 750,000 15-to-19 year-old women in the United States (U.S.). Utah has the youngest population and the lowest teen abortion rates in the U.S. Approximately 73% of teen pregnancies in Utah result in live births. The prevalence of teen pregnancy and the nutritional risk to mother and child result in a much greater need for social support, such as nutrition education. Current literature shows that the paraprofessional model is effective in increasing positive behavior change through nutrition education. Presently, there is a lack of evidence that paraprofessional teens are capable of accurately and effectively teaching their peers nutrition information. This pilot study aims to measure the effectiveness of the peer-teaching-peer paraprofessional model in teen parenting nutrition education, and to demonstrate that peer educators ages 18-22 are capable of teaching their peers accurate nutrition information as effectively as adult paraprofessionals. In this pilot study, two females were trained to become paraprofessional peer educators. To supplement the training of peer educators, this pilot study developed and recorded a nutrition presentation for all six lessons of the paper version Missouri Extension Teen Parenting curriculum. Each trained peer educator taught 10 to 13 clients (ages 14 to 19) over three weeks. For evaluation, the study used pre/post comparisons. Assessment tools include teaching evaluations, pre-post test on nutrition knowledge, 24-hour dietary and physical activity recalls, and behavioral checklist. There was a significant difference in pre-post tests in knowledge, behavior, and exit survey among participants, indicating that peer educators are able to teach their peers effectively. Although not significant, peer educators' teaching accuracy score was high and improved consistently. Eighty-three of participants like or very much liked to be taught by their peers. Findings from this study showed great potential in having adolescents teach their peers as effectively as older educators.
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Books on the topic "Ecological Model of Food and Nutrition"

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Cleveland, David Arthur. Food from dryland gardens: An ecological, nutritional, and social approach to small-scale household food production. Tucson, Arizona, USA: Center for People, Food, and Environment, 1991.

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Los alimentos y su relacion con el medio ambiente: Prácticas ancestrales de autosuficiencia socioeconómica. Lima, Perú?]: Cultural Cuzco, 2010.

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Owuor, J. O. Food and nutrition surveillance and planning in Kilifi District, Kenya: A model for district based multi-sectoral policy formulation and planning. Nairobi: Ministry of Planning and National Development, 1995.

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Kraus, Sibella. Kids cook farm-fresh food: Seasonal recipes, activities & farm profiles that teach ecological responsibility. Sacramento: California Department of Education, CDE Press, 2002.

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Unger, Suanne. Qaqamiiĝux̂: Traditional foods and recipes from the Aleutian and Pribilof Islands : nourishing our mind, body and spirit for generations. Anchorage, Alaska: Aleutian Pribilof Islands Association, Inc., 2014.

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Food stamp fraud as a business model: USDA's struggle to police store owners : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, second session, March 8, 2012. Washington: U.S. G.P.O., 2012.

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Mason, Pamela, and Tim Lang. Sustainable Diets: How Ecological Nutrition Can Transform Consumption and the Food System. Taylor & Francis Group, 2017.

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Galvin, Kathleen A. Food procurement, diet, activities and nutrition of Ngisonyoga, Turkana pastoralists in an ecological and social context. 1988.

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Galvin, Kathleen M. Food procurement, diet, activities and nutrition of Ngisonyoka, Turkana pastoralists in an ecological and social context. 1985.

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Smitasiri, Suttilak, and Mahāwitthayālai Mahidon. Sathāban Wičhai Phōtčhanākān., eds. Social marketing Vitamin A-rich foods in Thailand: A model nutrition communication for behavior change process. 2nd ed. Nakhon Pathom, Thailand: Institute of Nutrition, Mahidol University, 1993.

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Book chapters on the topic "Ecological Model of Food and Nutrition"

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Chen, Aijuan, and Steffanie Scott. "The farmers’ cooperative model in China’s ecological agriculture sector." In Organic Food and Farming in China, 60–80. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2019. |: Routledge, 2018. http://dx.doi.org/10.4324/9780203701706-4.

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Avena, Nicole M., Miriam E. Bocarsly, and Bartley G. Hoebel. "Food Addiction: Analysis With an Animal Model of Sugar Bingeing." In Handbook of Behavior, Food and Nutrition, 1687–704. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-92271-3_109.

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Guedes, Rubem Carlos Araújo. "Cortical Spreading Depression: A Model for Studying Brain Consequences of Malnutrition." In Handbook of Behavior, Food and Nutrition, 2343–55. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-92271-3_148.

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Werner, Wilfried, and Janos Warnusz. "Ecological evaluation of long-term application of sewage sludges according to the legislative permissions." In Plant Nutrition for Sustainable Food Production and Environment, 577–79. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_183.

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Ten Berge, H. F. M., and J. J. M. Riethoven. "Applications of a simple rice-nitrogen model." In Plant Nutrition for Sustainable Food Production and Environment, 793–98. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_256.

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Pritchard, Bill. "The Impacts of Climate Change for Food and Nutrition Security: Issues for India." In Climate Change Challenge (3C) and Social-Economic-Ecological Interface-Building, 11–23. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31014-5_2.

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Dernini, S., D. Lairon, E. M. Berry, G. Brunori, R. Capone, L. M. Donini, M. Iannetta, et al. "The Med Diet 4.0 framework: a multidimensional driver for revitalizing the Mediterranean diet as a sustainable diet model." In Sustainable diets: linking nutrition and food systems, 187–98. Wallingford: CABI, 2019. http://dx.doi.org/10.1079/9781786392848.0187.

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Parker, David R., and Judith F. Pedler. "Reevaluating the free-ion activity model of trace metal availability to higher plants." In Plant Nutrition for Sustainable Food Production and Environment, 107–12. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_19.

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Dyball, Robert, Federico Davila, and Bronwyn Wilkes. "A Human Ecological Approach to Policy in the Context of Food and Nutrition Security." In Handbook of Systems Sciences, 1–26. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-0370-8_11-1.

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Dyball, Robert, Federico Davila, and Bronwyn Wilkes. "A Human Ecological Approach to Policy in the Context of Food and Nutrition Security." In Handbook of Systems Sciences, 1–26. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-0370-8_11-2.

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Conference papers on the topic "Ecological Model of Food and Nutrition"

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Casi, C. "28. Sami food practices and traditional ecological knowledge." In 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition. The Netherlands: Wageningen Academic Publishers, 2019. http://dx.doi.org/10.3920/978-90-8686-892-6_28.

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Freitass, Charles N. C., Filipe R. Cordeiro, and Adenilton J. Da Silva. "Food Recognition System for Nutrition Monitoring." In XV Encontro Nacional de Inteligência Artificial e Computacional. Sociedade Brasileira de Computação - SBC, 2018. http://dx.doi.org/10.5753/eniac.2018.4415.

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This research consists of the analysis of the methods of image recognition, focusing on the problem of food classification, aiming to use the methods in a mobile application for the assistance in food monitoring and control. Thus, the development of the work contemplates the use of the deep learning method, focused on the recognition of food in images, with the use of neural convolution networks (CNN). For this purpose, a data set consisting of more than 1000 images and 5 food classes was constructed in order to simulate the SimpleNet, MiniVGGNet and Small Xception models, and thus define a learning model for food classification.
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Kadhim, Atheer J., and Azhar A. Majeed. "The impact of toxicant on the food chain ecological model." In PROCEEDINGS OF THE 2020 2ND INTERNATIONAL CONFERENCE ON SUSTAINABLE MANUFACTURING, MATERIALS AND TECHNOLOGIES. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0030690.

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Al-Nazer, Ahmed, and Tarek Helmy. "Toward a Cross-Cultural and Cross-Language Multi-agent Recommendation Model for Food and Nutrition." In 2012 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT). IEEE, 2012. http://dx.doi.org/10.1109/wi-iat.2012.263.

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Niyonshuti, Eric, and Figen Kırkpınar. "Assessment of the Last Decades Studies and Developments in Broilers Nutrition." In International Students Science Congress. Izmir International Guest Student Association, 2021. http://dx.doi.org/10.52460/issc.2021.003.

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The poultry industry has advanced remarkably over the past 30 years. In particular, broiler production has been the most successful than any other sector in the animal industry. Production standards of broilers have continuously improved over this period, with modern broilers reaching a live average weight of 2.5 kg at 33 – 35 days. Today, under normal conditions, a broiler chicken can gain an average weight of 65 g per day and can attain 1.5 feed conversion ratio (FCR). Genetic selection brought about by breeding companies has played a big part in the improvements of broiler growth, and advances in nutritional management have provided about 10 to 15% of these changes. In conclusion, future broiler nutrition studies are going to be continued on the plane of economic criteria, determination of alternative feedstuffs and their cultivation, production of new feed additives, sustainability, and food or product quality. However, broiler nutrition studies are expected to contain not only pure and applied nutrition but also to answer and to enlighten some discussed issues such as to support animal welfare, consumer health, and ecological equilibrium. In this review, the latest improvements in feed formulation with much attention on metabolizable energy (ME) and crude protein (CP), feeding systems and feed presentation, use of feed additives to enhance feed use and broiler performance are discussed.
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Rasskazova, Ieva, and Asnate Kirse-Ozolina. "Field pea Pisum Sativum L. as a perspective ingredient for vegan foods: a review." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.019.

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Dry seeds of peas (Pisum sativum L.) have long been used as a staple food and feed globally, and its nutritional, health and ecological benefits comply with growing demand for novel vegan foods intended for health and sustainability conscious individuals. The aim of this study was to review research findings and latest information on field pea usage as a functional ingredient in vegan foods. Monographic method was used to analyse field pea Pisum sativum L. usage as a diverse and multifunctional ingredient in vegan foods, covering latest available information on chemical composition of field pea and main food ingredients made from field pea, focusing on the varieties from which yellow split pea is produced; their impact on ready product’s nutrition, sensory properties and application in food industry. Major types of novel vegan foods containing field peas available on market were named. Pea protein, starch and fibre have demonstrated functional properties in different food systems, including – emulsification, oil-in-water system stabilisation, texture modification, binding, gelation, foaming, and solubility. It is functionally possible and nutritionally and ecologically desirable to develop novel vegan foods intended as animal product alternatives with acceptable sensory properties.
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"Promoting Healthy Nutrition through Educational Escape Games." In InSITE 2019: Informing Science + IT Education Conferences: Jerusalem. Informing Science Institute, 2019. http://dx.doi.org/10.28945/4362.

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Aim/Purpose: The increased production of processed food, rapid urbanization, and changing lifestyles have led to a shift in dietary patterns so people are now consuming more unhealthy foods. To change unhealthy dietary patterns, there is a need to educate the individuals to keep a balanced diet that is rich in nutritional requirements. One way to educate a heterogeneous population, from preschool to adults, is by learning through games. Background: In recent years, the use of games as a pedagogical method is gaining momen-tum. Game-based learning (GBL) refers to any learning environments or activities that use games to support learning and teaching. GBL enables learners to practice skills that traditional teaching may not offer and promote more efficient learning. GBL includes various types of games; one of them is escape games (EG), which have become a popular trend in the world. Because EG are a relatively new phenomenon, the research on their development and educational value is still in its initial stages. Methodology: The current study is set to develop a methodology for ‘educational EG’ and to examine its role in promoting knowledge, awareness, and motivation toward a healthy nutrition. The study’s theoretical framework is guided by the situated learning theory, as EG are situated in a unique setting that instigates interactions between the players and between them and the learning environment. The research questions are 1. What is the educational potential of escape games? 2. Whether and how can EG promote knowledge, awareness, and motivation toward a healthy nutrition? 3. What are the predicting factors of knowledge, awareness, and motivation toward a healthy nutrition, in the context of educational EG? Contribution: The research’s contributions are in three levels: In the theoretical level, the study contributes a layer of knowledge on situated learning environments, offering a new model for the development and implementation of educational EG. In the methodological level, the study presents valid and reliable research tools for examining the effectiveness of educational EG. In the practical level, the study provides a tangible EG kit on healthy nutrition. Findings: Initial findings indicated on an overall increase in the participants’ positive views about EG as a situated learning environment. The findings also indicated that participation in an EG has a potential to promote knowledge and awareness of nutrition-related issues. The players’ motivation to learn about nutrition increased after participating in the game, mainly due to an increase in their sense of self-efficacy.
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"Capturing Bio-Sensing Solutions: Biomonapp’s Story about the Seasons of Change across a Global Sustainable Landscape - Monitoring for Sustainable Bioremediation in Rural & Urban Farms, Soil, Agronomy, & Aquaculture." In InSITE 2018: Informing Science + IT Education Conferences: La Verne California. Informing Science Institute, 2018. http://dx.doi.org/10.28945/4052.

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Aim/Purpose: This paper addressed the topics of sustainable agronomy, aquaculture, hydroponics and soil monitoring methods that show how to move towards a repairing mode and bioremediation in many locations across the globe. Background: Sixty percent of the world’s major terrestrial ecosystems are being degraded; the human ecological footprint is spreading across the globe. The major human impact on terrestrial ecosystems in the form of depletion of ground water, over grazing of livestock, clearing for agriculture, timber and urban development, soil damage from off road vehicles, hydroelectric dams and reservoirs, and air pollution from urban areas and power plants. The cost to bio remediate is in the trillions. Methodology: AG biotech methodologies and applications Contribution: The paper bridges such gaps and informs about brave entrepreneurs and university and community individuals with innovative ideas and emerging technologies that gain the momentum for funding and monitoring nutrient uptake and toxic removal of harmful chemicals from water, soil, plants and fish for restoration to take place. Such techniques begin to conquer the giant by restoring the wealth to our soils and water, rural and urban farmlands and forests that retain and capture natural capital and ensure that nutrition and value added resources minerals are not lost. Findings: Biomonapp can detect and make recommendations for repairing & making sustainable solutions, many entrepreneurs & academics have pioneered ways to find SUS solutions Recommendations for Practitioners: Read from the articles and books listed in the references of this paper to understand the need for bioremediation. Use Biomonapp to diagnose water, soil & fish problems & find solutions. Attend conferences & seminars about SUS responsibility & phytoremediation Recommendation for Researchers: To investigate the phytoremediation and bioremediation techniques. Applications for Biomonapp for plants, water, soil, & animals to rejuvenate and repair water, soil and urban & rural communities Impact on Society: These ideas give the power back to local people who can learn to enhance their lives not only by foods but the sustainable green jobs that are being created to make sure urban and rural areas truly are sustainable. Future Research: The results of monitoring with biosensors & bio monitoring methods with regards to sustainable bioremediation, renovating, continued SUS responsibility training, continued evidence of repair and protecting natural capital & ecosystem services
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Bormane, Santa. "The role of integrated marketing communication for ustainable development in food production." In 22nd International Scientific Conference. “Economic Science for Rural Development 2021”. Latvia University of Life Sciences and Technologies. Faculty of Economics and Social Development, 2021. http://dx.doi.org/10.22616/esrd.2021.55.008.

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The decrease in food production output, the suspension of production, and the decrease in product demand have influenced the operation of producers and their communication with customers in 2020. This brings to the forefront the producer's role in the use of IMC for sustainable development in Latvia. The purpose of the survey of leading specialists at Latvian food producers was to find out their opinion on the trends of development and a sustainable use of IMC in business. The object of the research: IMC for sustainable development. The subject: IMC for sustainable marketing at Latvian food producers. The study uses monographic, quantitative, qualitative methods – interviews of leading specialists of producers. It represents a follow-up to the author's previous studies in the food retail industry where she researched food retail chains and conducted a survey of buyers. She developed a conceptual model of IMC for sustainable business development and found that each sector has peculiarities in product selling, service provision, etc., yet there are also common trends that apply to all industries. The author urges further market research, covering producers. The results show some trends: 1) the motivation to use IMC for sustainable development has grown due to the increased use of technologies; 2) extended periods of sedentarism have exacerbated the problem of overweight in society and given rise to demand for healthy ecological products, including natural ingredients in production; 3) the risk of employee illness and the reorganization of production has contributed to the use of digital marketing.
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Esenwein, Fred. "“Planetary Reconstruction”: Richard Neutra’s School Lessons from Puerto Rico." In 2016 ACSA International Conference. ACSA Press, 2016. http://dx.doi.org/10.35483/acsa.intl.2016.59.

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Puerto Rico, while a U.S. territory, lacked the education, health, and sanitation infrastructure found in the continental United States. Neutra’s task was to design facilities to improve the infrastructure. While the aesthetic of the buildings is considered Modernist architecture, Neutra was very sensitive to the structures of local communities. His school designs were didactic in the way people engaged the architecture by learning about fluid mechanics and sanitation through passive designs and planning. Gardens and agricultural practices were introduced to improve food and nutrition. Education and food reforms required local knowledge even though there is a broader scientific knowledge that understands how these conditions can thrive in a particular locality. Architecturally, Neutra adjusted the Modernist style to perform in tropical Puerto Rico. Having contributed to the development of Puerto Rico and anticipating the economic boom in the U.S., Neutra’s proposal for the American community is one that was developed from the global south meant to conserve local values, and yet it was conceived as a model plan that was independent of a particular location.
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Reports on the topic "Ecological Model of Food and Nutrition"

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DiGrande, Laura, Sue Pedrazzani, Elizabeth Kinyara, Melanie Hymes, Shawn Karns, Donna Rhodes, and Alanna Moshfegh. Field Interviewer– Administered Dietary Recalls in Participants’ Homes: A Feasibility Study Using the US Department of Agriculture’s Automated Multiple-Pass Method. RTI Press, May 2021. http://dx.doi.org/10.3768/rtipress.2021.mr.0045.2105.

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Objective: The purpose of this study was to assess the feasibility of administering the Automated Multiple-Pass Method (AMPM), a widely used tool for collecting 24-hour dietary recalls, in participants’ homes by field interviewers. Design: The design included computer-assisted personal interviews led by either a nutritionist (standard) or field interviewer. Portion estimators tested were a set of three-dimensional food models (standard), a two-dimensional food model booklet, or a tablet with digital images rendered via augmented reality. Setting: Residences in central North Carolina. Participants: English-speaking adults. Pregnant women and individuals who were fasting were excluded. Results: Among 133 interviews, most took place in living rooms (52%) or kitchens (22%). Mean interview time was 40 minutes (range 13–90), with no difference by interviewer type or portion estimator, although timing for nutritionist-led interviews declined significantly over the study period. Forty-five percent of participants referenced items from their homes to facilitate recall and portion estimation. Data entry and post-interview coding was evaluated and determined to be consistent with requirements for the National Health and Nutrition Examination Survey. Values for the number of food items consumed, food groups, energy intake (average of 3,011 kcal for men and 2,105 kcal for women), and key nutrients were determined to be plausible and within reasonably expected ranges regardless of interviewer type or portion estimator used. Conclusions: AMPM dietary recall interviews conducted in the home are feasible and may be preferable to clinical administration because of comfort and the opportunity for participants to access home items for recall. AMPMs administered by field interviewers using the food model booklet produced credible nutrition data that was comparable to AMPMs administered by nutritionists. Training field interviewers in dietary recall and conducting home interviews may be sensible choices for nutrition studies when response rates and cost are concerns.
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