The linear relationship between river terrace and river incision was used to determine incision rate in the middle reaches of Minjiang River .

Analysis for Driving Force of Ecological Vulnerability at Upper Reaches of Minjiang River;

Effects of sub-watershed landscape patterns at the upper reaches of Minjiang River on soil erosion;

Dynamics and influence width of dry valley landscape boundary in upper reaches of Minjiang River;

Human activity intensity and its spatial distribution pattern in upper reach of Minjiang River;

Cause of the Community-based Poverty in the Upper Reach of Minjiang River and Pattern of Poverty-Alleviation;

It is one of the important forms of global ecoenvironmental deterioration, which prevents the sustainable economic development of the upper reach of Minjiang river.

The photosynthetic characteristics were determined of 4 dominant species(Rubus setchuenensis,Corylus yunnanensis,Camphlotropis macrocarpa and Quercus liaotungensis) in the degraded shrubs in Maoxian of Sichuan,which is located at the upper reaches of the Minjiang River,and their biological properties were studied based on community investigation.

The upper reaches of the Minjiang River has been a migratory passage of ethnic groups since ancient times.

Up to now, the earliest Buddhist sculpture in the Southern Dynasties in Sichuan province is unearthed from the upper reaches of the Minjiang river in the 1930s.

The problems and prevention countermeasure of the soil ecological environment in the upper reaches of the Minjiang River;

Distribution of the geological hazards in the upper reaches of the Minjiang River,Sichuan;

Taking the upper reaches of the Minjiang River as a study case,4 debris-flow gullies of river blocking type,2 debris-flow gullies of damming type and 2 of non-river-blocking type are selected for the study.