Impact of efforts hard to assess, but benefits expected in long run, Zheng Yangpeng reports in Zhejiang.

The road that runs alongside Shenjiamen port is packed with seafood restaurants that, along with the yachts that fill the marinas, dominate the view of this part of Zhoushan, an island city in Zhejiang province.

Outside each of the glass-roofed eateries, women work their beats, approaching passersby and urging, almost pleading, with them to come in and try the shrimp and clams.