"Numbers have plummeted due to a myriad of different factors including over-abstraction, habitat degradation, pollution, impacts on redds, in-stream barriers, climate change, and pressures associated within the marine environment."
The ONS has been criticised recently for the quality of its data, particularly the Labour Force Survey, which is used to compile Neet figures.
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来源：阿里研究院：《“银发+AI”应用 趋势报告》
Author(s): Jiachen Xie, Jianteng Wang, Xudong Rong, Dongdong Zhao, Enzuo Liu, Chunnian He, Chunshen Shi, Naiqin Zhao