Satellite observed rapid inland aquaculture expansion in Jianghan Plain, China from 2016 to 2022
文献类型:期刊论文
作者 | Wang, Chen4,5; Dong, Jinwei4; Zhou, Yan3; Cui, Yifeng4; Chen, Xi4; Di, Yuanyuan4; Xiao, Xiangming2; Zhang, Geli1 |
刊名 | AQUACULTURE
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出版日期 | 2025-04-15 |
卷号 | 599页码:742132 |
关键词 | Inland freshwater aquaculture Rice-crayfish fields Google earth engine Jianghan Plain Spatial-temporal variation pattern |
ISSN号 | 0044-8486 |
DOI | 10.1016/j.aquaculture.2025.742132 |
产权排序 | 2 |
文献子类 | Article |
英文摘要 | Inland freshwater aquaculture which includes a new crop-aquaculture system accounts for 77 % of aquaculture production worldwide and contributed significantly to the global demand for fish products. Previous aquaculture monitoring efforts, however, mainly focused on coastal aquaculture ponds and hardly covered inland freshwater aquaculture areas. Here, based on the time-series Sentinel-1 and 2 data and the Google Earth Engine (GEE) platform, we developed a hierarchical framework for mapping inland freshwater aquaculture with different aquaculture types (both aquaculture ponds and rice-crayfish fields) in the Jianghan Plain (JHP), one of the most important inland freshwater aquaculture regions in China. First, we constructed two phenological temporary windows (T1 and T2) and used an automatic threshold extraction method (OTSU approach) to generate potential aquaculture layers in both two temporary windows. Second, based on the potential aquaculture layer in T1, the actual aquaculture was further distinguished from other water bodies (e.g., lakes, rivers, and ditches) by combining spectral and texture features and utilizing a random forest classifier from 2016 to 2022. Finally, by the differences in variations in aquaculture ponds and rice-crayfish fields in T1 and T2, we generated annual 10m maps of fine aquaculture area in the Jianghan Plain from 2017 to 2022, with overall accuracies (OA) of 87.5 %-98.7 % and Kappa coefficients of 0.81-0.98. We found a significant increase in the total aquaculture area in the JHP, from 2266 +/- 66 km2 in 2016 to 4766 +/- 111 km2 in 2022, with rice-crayfish fields contributing the most, mainly related to a series of stimulus policies. This study proposed a novel framework for monitoring complex inland freshwater aquacultures over large areas and revealed the rapid expansion of inland aquaculture in South China. |
URL标识 | 查看原文 |
WOS关键词 | LAND |
WOS研究方向 | Fisheries ; Marine & Freshwater Biology |
语种 | 英语 |
WOS记录号 | WOS:001416273400001 |
出版者 | ELSEVIER |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/212374] ![]() |
专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
通讯作者 | Zhang, Geli |
作者单位 | 1.China Agr Univ, Coll Land Sci & Technol, Beijing 100193, Peoples R China 2.Univ Oklahoma, Sch Biol Sci, Norman, OK 73019 USA; 3.Henan Univ, Coll Geog & Environm Sci, Kaifeng 475004, Peoples R China; 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 5.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China; |
推荐引用方式 GB/T 7714 | Wang, Chen,Dong, Jinwei,Zhou, Yan,et al. Satellite observed rapid inland aquaculture expansion in Jianghan Plain, China from 2016 to 2022[J]. AQUACULTURE,2025,599:742132. |
APA | Wang, Chen.,Dong, Jinwei.,Zhou, Yan.,Cui, Yifeng.,Chen, Xi.,...&Zhang, Geli.(2025).Satellite observed rapid inland aquaculture expansion in Jianghan Plain, China from 2016 to 2022.AQUACULTURE,599,742132. |
MLA | Wang, Chen,et al."Satellite observed rapid inland aquaculture expansion in Jianghan Plain, China from 2016 to 2022".AQUACULTURE 599(2025):742132. |
入库方式: OAI收割
来源:地理科学与资源研究所
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