【正文】
uman health, prevent fishing and other humanactivities in the sea, sea water quality and environmental quality damage. So long is the most stable ecosystem on earth. Various. Various substances from the land into the sea by marine acceptance, but the ocean itselfhad no significant change. However, in recent years, with the development ofindustry, marine pollution is being worse, the local marine environment has changed greatly, and continue to expand the trend.