system dynamics
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2022 ◽  
Vol 147 ◽  
pp. 105617
Author(s):  
Xiaoqing Gou ◽  
Hui Liu ◽  
Yujie Qiang ◽  
Zhihui Lang ◽  
Haining Wang ◽  
...  

2022 ◽  
Vol 205 ◽  
pp. 112458
Author(s):  
Saleh Shadman ◽  
Christina M.M. Chin ◽  
Novita Sakundarini ◽  
Eng Hwa Yap ◽  
Shadreen Fairuz ◽  
...  

2022 ◽  
Vol 9 (2) ◽  
pp. 22-30
Author(s):  
Muhammed Çelik ◽  
◽  
Zehra Vildan Serin ◽  

Predicting a sustainable food safety policy for the near future is among Turkey's priority problems. In this context, this study aims to predict Turkey's sustainable food safety policies. For this reason, the system dynamics model, which is a dynamic cycle-based method with stock and flow diagrams, is used in this paper. This study supposed the six different scenarios for 2020 and 2050. Data were selected as population, productivity rate, arable land fertility rate, and annual food consumption (per capita). The purpose of creating these scenarios; To determine the most appropriate policy to ensure food safety in Turkey. In the first scenario, we assumed that the current situation continues. In the second scenario, the average productivity rate was increased by 1.5%. The third scenario assumes that annual per capita food consumption rises to 1.2 tonnes per year. In the fourth scenario, the total fertility rate is accelerated by 2%. In the fifth scenario, we assumed that the arable land loss rate decreased by 1/3. Finally, we assumed that the sixth scenario covers all the second, third, fourth, and fifth scenarios and that 2 points reduce food losses. In conclusion, the findings show that food security responds positively in scenarios 2 and 6. However, in other scenarios, food security is negatively affected. The findings show that the sixth scenario is the best-case scenario. To ensure food security, it is necessary to reduce arable land losses and food waste. Training farmers and control of the food supply chain will be beneficial for sustainable food security in Turkey. We recommend that policymakers consider these recommendations.


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