Effect of periphyton on the growth of Elodea nuttalii;

5:1 and 50:1,respectively,while the growth of periphyton,especially of epiphytic algae,was the worst,giving the least adverse effects on V.

The results showed that, for survival rates, snail consumed Vallisneria spiralis at the lowest rate, periphyton and Hydrilla verticillata at lower rate and compound foods at the highest rate.

A review on influential factors of fouling organisms on artificial reef;

Effects of fouling organisms on shellfish cultivation and its prevention;

In this paper,based on the data of fouling organisms in cultivation of shellfish(Crassostrea gigas,Argopectens irradias,Mytilus coruscus)in Nanji Mazuao Sea Area from July to November 2004,the species compositon,vertical distribution,abundance,biomass and undulation characteristics was analyzed.

Canonical correspondence analysis between attaching organisms and environmental factors on artificial reef in the Daya Bay

Using this technology to mitigate the indoor biological pollution has been paid more attention in recent years.

The air pollution and biological pollution in the stack room for ancient books can do harm to the health of ancient book librarians.

The infestation of biological pollution in the late 20th century has formed a major aspect of ecological disaster,seriously threatened the sustainable development of relevant nations and caused great concern from the academic circles.