Multiple Layer Microbial-Earthworm Eco-filter System (MMEEF) with combination of microbe and earthworm is a representative of micro-fauna to form artificial ecosystem and is a new wastewater treatment technique to degrade pollutants for sewage treatment.

The application of hybrid ecological filter bed and photocatalytic technology to treatment of landscape water in a residential area was introduced with an engineering example.

Due to its advantages of high hydraulic load,good treatment effect,low energy consumption and convenient management,the gravity-flow compound ecological filter bed is very suitable for the ecological management of Chinese urban rivers.

Studie on biological feature and complex ecology of Volvariella brumals in Guizhou;

Aiming at the water current situation and water environmental characteristics of Yulong River,a biological recombination filter was proposed to harness Yulong River.