Food security and nutrition and sustainable agriculture

Increasing the production of food from the ocean is seen as a pathway toward more sustainable and healthier human diets.

This is a special issue on food systems for children and adolescents with research on food marketing, nutrition and sustaining healthy diets and food supply chains. It brings together research advancing SDGs 2, zero hunger, SDG 3, good health and wellbeing and SDG 12, responsible production and consumption. 

Using China Health and Nutrition Survey data, this study employs a consistent two-step quadratic almost ideal demand system model, with addressed problems of endogeneity of total expenditure and zero shares, to estimate the food demand elasticities among adults in rural areas with regard to the different income strata.
Targeted interventions have important under-explored potential for reducing meat consumption. We hypothesized that group-specific interventions targeting reduction for reducer, moderate-hindrance, and strong-hindrance meat eaters would be effective. All participants were randomly assigned to one of three treatment conditions designed for these three meat-eating groups, or to a control condition. Following the intervention, up to 28 days of food diaries were gathered to measure their consumption of animal products, which were weighted according to their greenhouse gas emissions.
Research on the relationship between vegetarianism and subjective well-being (SWB) has produced inconsistent results, which may partly be due to small sample sizes and divergent operationalizations of well-being.
Agroecosystems make up a significant portion of terrestrial ecosystems and receive a disproportionally high amount of terrestrial nitrogen inputs from fertilizer, leading to nitrogen loss and associated environmental problems. Integrated crop livestock systems, such as pasture-integrated crop rotations, may be more environmentally sustainable however the long-term effects of this management practice on soil microorganisms and nitrogen transformations are not well understood.
Plant parasitic nematodes (PPNs) cause huge agricultural and silvicultural losses every year. Most studies that investigated various mechanisms for killing nematodes used the model organism Caenorhabditis elegans. Pseudomonas chlororaphis is an important biocontrol bacterium with great application potential in agriculture. Pseudomonas chlororaphis strains have the potential to control PPNs. In our previous study, we obtained one P. chlororaphis-like bacterium, namely, SPS-41, from the rhizosphere of sweet potato. This strain exhibited wide-spectrum of antifungal activity.
Elsevier, Global Food Security, Volume 27, December 2020
Intervening in the food environment is critical to improve the diets and nutrition of children and adolescents. Little is known about the most effective interventions targeting children and adolescents, particularly in low- and middle-income countries (LMICs). We conducted a scoping review of the literature to examine influence of external and personal food environment interventions on the diets and nutrition of children and adolescents. Most of the included studies examined interventions in school settings in the United States, with few studies from LMICs.
In this paper, we conducted a narrative review to describe age-specific characteristics that inform how children and adolescents interact with their food systems and how that relationship influences their diets. Children of all ages are active agents in determining the foods they eat. Numerous intrapersonal, interpersonal, and environmental characteristics influence their diets, and these shift over time.