【正文】
astructure and operation and management costs, covering 30 to 40 percent reduction in benefits are enormous. conclusion Over the years, the Chinese people39。s ocean transportation, The spread of breeding, and soliciting, foreign Marine species39。s more,Marine fishing vessels increased dramatically, fishing segment has improved steadily . these cause serious destruction of the resources and even make them die out. alien species invasion 3. with the development of China39。s awareness of resource protection is weak and the legal concept is thin. We often destruct at first and protect when situation is terrible, so many land aquatic anisms and marine life have disappeared from our sight. As a result of Kinds of reasons, the Chinese marine biodiversity and the marine environment isstill is worrying.