seaweed farming
... that 40,000 people were estimated to make a living from seaweed farming in the Philippines in 1997?
... that 40,000 people were estimated to make a living from <b id="mwGMU"><a href="./Seaweed_farming" id="mwGMY" rel="mw:WikiLink" title="Seaweed farming">seaweed farming</a></b> in the <a href="./Philippines" id="mwGMc" rel="mw:WikiLink" title="Philippines">Philippines</a> in 1997?