研究领域：
地理信息分析与应用、资源环境信息系统等。
承担课程：
地图学、地理信息系统原理、GIS空间分析等
科研成果
主持项目：
1.国家自然科学基金：基于农用地养分收支平衡的多情景畜禽养殖废弃物还田空间分配研究，41601601。
2.福建省自然科学基金项目：畜禽养殖废弃物集中处理中心空间选址研究，2020J01830。
3.福建省自然科学基金项目：基于畜禽养殖废弃物承载力因子的城郊畜禽养殖容量估算研究，2016J01713。
4.福建省自然科学基金项目：基于GIS的县域畜禽养殖场空间布局适宜性评价研究，2011J05115。
5.福建省高等学校新世纪优秀人才支持计划，3230412301。
6.福建省中青年教师教育科研项目：基于养殖场(小区)/自然村(散养)尺度的区域畜禽养殖适度规模估算研究，JAT160388。
7.福州市科技项目：畜禽养殖场空间布局决策支持研究，2013-S-109。
代表性论文：
1. Yan, B.J., Li,Y.X., Yan, J.J., Shi,W.J. Potential reduction of greenhouse gas emissions from pig production in China on the basis of households’ pork consumption. Environment International, 2023,177:108008.
2. Yan, B.J., Li,Y.X., Qin, Y.F., Shi,W.J., Yan, J.J. Spatial-temporal distribution of biogas production from agricultural waste per capita in rural China and its correlation with ground temperature. Science of the Total Environment, 2022, 287:152987.
3. Yan, B.J., Li,Y.X., Qin, Y.F., Yan, J.J. Spatial layout planning of intensive pig farms in the suburb: a case study of Nanyu, China. Environmental Science and Pollution Research, 2022, 29 (29):44819-44831.
3. Yan, B.J., Yan, J.J., Li,Y.X., Qin, Y.F., Yang, L.J. Spatial distribution of biogas potential, utilization ratio and development potential of biogas from agricultural waste in China. Journal of Cleaner Production, 2021, 292:126077.
4. Yan, B.J., Li,Y.X., Qin, Y.F., Yan, J.J., Shi,W.J. Spatial-temporal analysis of the comparative advantages of dairy farming: taking 18 provinces or municipalities in China as an example. Computers and Electronics in Agriculture, 2021, 180:105846.
5. Yan, B.J., Li, Y.X., Qin, Y.F., Yan J.J. Spatial layout planning of the pig northward movement based on GIS. Environmental Science and Pollution Research, 2021, 28(30):41051-41060.
6. Yan, B.J., Li,Y.X., Yan, J.J., Shi,W.J. Spatial site selection for a centralized treatment center of livestock excreta: taking Nantong Town as an example. Computers and Electronics in Agriculture, 2021, 180:105885.
7. Yan, B.J., Yan, J.J., Shi, W.J., Li, Y.X. Study on the comprehensive comparative advantages of pig production and development in china based on geographic information system. Clean Technologies and Environmental Policy, 2020, 22, 105-117.