Based on vegetation communities inside and outside fish-scale pits on the different slopes of small watershed,the relationships between vegetation communities inside and outside fish-scale pits and latitude as well as slope aspect are discussed.

Study on processing technology of demineralization of fish scale gelatin production;

The determination of trace cadmium in fish scale by flame atomic absorption spectrometry with enhancement of surfactant;

The hydrolysis conditions of fish scale for extracting papainase have been studied.

Study on the nutrients of the reddish fish scale;

The Extraction of Tilapia Scale Collagen Protein by Hot Water;

Enzymatic hydrolysis of fish scales and smell removal of the hydrolysate;

Differences of collagen properties from fish scale of cyprinus carpio;