"Land-based pollution sources" refers to the sites or facilities that discharge from the land into the sea pollutants which cause or may cause Marine environment pollution.
陆地污染源(简称陆源)，是指从陆地向海域排放污染物，造成或者可能造成海洋环境污染的场所、设施等。
2
Firstly, as a matter of fact, industrial pollutants account for more than 80% of the land pollution which is now causing us huge problems in every aspect of our lives.
首先，事实上，工业污染对土壤的污染超过了80%，现如今，这些影响到了我们生活的各个方面。
3
Any major changes in the kinds, quantities and density of the discharged land-based pollutants must be reported in a timely manner.