Soil Respiration of Different Land Use Types on Beach Land in the Middle and Lower Reaches of the Yangtzi River;

San Martino (I-72/58) plantation with different densities were measured on the beach land of Yangtze River in Anqing City,Anhui Province.

GIS based risk zoning and assessment of flood disaster in the middle and lower reaches of the Yangtze River Basin;

The vast expanse of the paddy field and drylands with crisscross footpaths between in the middle and lower reaches of the Yangtze River have constituted a unique ecological environment together with nearby lakes and ponds.

The paper conducts a preliminary research into the grain logistical cost in the middle and lower reaches of the Yangtze River within the frame of the world market in the 1920 s & 1930 s.

The middle and lower reaches of the Yangtze River is the major area for copper(gold) and iron resources of China, in which “integral whole of multiplaces” copper deposits make up a special type of large and superlarge deposits along the circum Pacific metallogenic belt.

The paper analyzes the evolution of lakes in the middle and lower reaches of Yangtze River in the scale and time perspective,and points out that the lakes are formed by the special tectonic movement,geomorphological condition,as well as climate changes.

The application prospect of winter-overseeding techniques of cool-season turfgrass on warm-season turf in the Middle and Lower Reaches of Yangtze River;