The Jianghap plain is one of the important bases of China's agricultural productivity, located in central and southern Hubei province in the middle reach of Yang
Xingcuo lake, a closed one, is situated in eastern Tibetan Plateau. There are abundant snail shells Gyraulus sibirica in its sediments. Here we display the dete
Classifying the types and measuring sustainable development are important contents of theoretical studies on sustainable development. Scientifically reflecting
The fragile eco-environment is a special type of ecosystem, its response to the change of environmental conditions is very susceptive. So it is rather prone to
Laboratory- scale experiments were conducted to determine new technology of waste sludge facultative metabolism . 10-L laboratory-scale facultative reactors wer
The most popular and traditional method to analyze the source of economic growth is created by Robert. M.Solow, but it has some localizations and is not very pr
During the period of May to October in 1999, systematical studies were given to the rate of decomposition of Calamagrostis angustifolia litter, the phosphorus c