Population Density and Pattern of Vegetable Cultivation in the Yogyakarta Agglomeration Area Janabadra University Abstract Due to land conversion from agriculture to urban uses, land availability for agriculture decreases that may alter food sufficiency. Basically, urban land uses with higher land rent will supersede agricultural use with lower land rent. From the agricultural perspective, plants that are more extensive and need more land will be pushed away from the urban center while the more intensive ones will be cultivated close to the urban area (market). Vegetables can be cultivated with or without soil, thus they have more flexibility in adapting to urban growth. This research aims to describe the changing pattern of vegetable cultivation in areas with dense and sparse populations in the Yogyakarta agglomeration area (Sleman and Bantul district in 2015 and 2018). LQ was calculated first and then evaluated by a supervised artificial neural network (ANN) to study the pattern. Further, clustering analysis was conducted by principal component analysis (PCA). The results indicate locations close to the city are characterized by low value yet easy to be cultivated plants (eg, water spinach), while more extensive cultivation is cultivated away from the city center (eg. chili). Knowing this pattern will help to determine the vegetable planted in specific regions, especially during the pandemic. Keywords: agglomeration, vegetables, LQ, ANN, PCA Topic: Covid-19: Issues and Challenges in Vegetables for Resilience during Pandemic |
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