From June to October 2008, we samplinged and checked a natural pond at Yingbin Hotel Quanzhou. Also we inspected and evaluated the status change of the eutrophicated water by analyzed the integrated trophic state in-dex of the water. As the result of this test:1) most of the pond is in nutritional status, they wil change to be in a mild eutrophication when much exog-enous pol ution come into the circumstances;2) the relationship of total nitrogen、total phos-phorus and chlorophyl-a is direct proportion;3) this natural ecosystems has excel ent anti-impac-tive power to the exogenous pol ution of N and P.
万方数据