Spatial layout planning of intensive pig farms in the suburb: a case study of Nanyu, China
2022
Yan, Bojie | Li, Yaxing | Qin, Yanfang | Yan, Jingjie
A large number of livestock and poultry breeding were distributed in the suburbs, brought a strong environmental pressure to the cities. The issue of whether livestock and poultry breeding could be carried out in the suburbs was a key controversy in the present. To address this question, this study constructed an index system of suitability evaluation of spatial layout of intensive pig farms, calculated the average surface temperature from June to September, and obtained potential intensive pig farms in Nanyu Town. Combing above results and area index results of cultivated land spatial matched with intensive pig farm, spatial relation between cultivated land and potential intensive pig farm was built, the optimum potential intensive pig farm in Nanyu Town was determined, and its carrying capacity was calculated. Results showed that livestock and poultry breeding could be carried out in the suburbs. A total of 3403 and 3253 pieces of cultivated lands occupying 52.01% and 49.67% of the total cultivated lands had a spatial relation between potential intensive pig farms taking N and P as indices, respectively. Moreover, 14 and 15 potential intensive pig farms taking N and P as indices, respectively, in Nanyu Town were determined as optimum potential intensive pig farms. Results also indicated that most of the optimum potential intensive pig farms were suitable for constructing small- and medium-sized pig farms. Results would provide scientific basis for the planning of spatial arrangement of livestock and poultry breeding and the suburb environmental pollution control.
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