AUTHOR=Zhang Yuqian , Luo Huanqi , Su Chenchen , Li Yue , Xu Chen , Wang Huijuan TITLE=How does the National Key Ecological Function Area policy affect the upgrading of the industrial structure?—based on the examination of the Yellow River Basin in China JOURNAL=Frontiers in Environmental Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1446322 DOI=10.3389/fenvs.2024.1446322 ISSN=2296-665X