Analysis of environmental economics indicated: compared with the farmers who adopted the no-tillage cast-transplant without duck technique and those who adopted the conventional-tillage cast-transplant without duck technique,the farmers adopting the rice-duck ecological management technique with no-tillage showed a possible income increase of 2166yuan/hm~2 and 4207yuan/hm~2, respectively.
Annual ecological and economic nitrogen fertilizer application amounts in this rice and wheat double maturing area are 281.9 kg/hm 2 and 336.3 kg/hm 2, respectively, with the calculation methods of traditional economics and environmental economics.
Comprehensively applied environment economics and industrial economics, the paper gives the definition and model of modern water economy, and analyses the present situation of water resources in China especially in Wuhan, emphasizing on the market mechanism of water environment protection in Wuhan.
Chapter Two makes further study into the theoretical bases including oceanology, environment ethnics, landscape ecology, eco-capacity, clean production, environment economics and tourism system as well as their applications in ecotourism.
In the process of developing seashore ecotourism, such theories as sustainable development, oceanology, landscape ecology, eco-capacity, environment economics, etc. should be aptly used to conduct the practice of tourism development. Furthermore, the notions of development such as environment ethnics, clean production, and ecology friendship, etc.
Series environmental economy methods are put into calculation. The conclusion is that 6.24% percent of Jilin Province GDP in 2001year comes from exhausting natural resources and environment. As a result, the green GDP is 1905.57 hundred million.
With western economics, environment economics and resources economics as the guide, for the problems of tourist environment in the exploitation of tourist resources, from the analyses of karst resources exploitation and environmental economy, the paper studies the composingof economic value, methods of measurement and evaluation and function pricing model of karst tourist resources, the special ecologic resources.
However, many Chinese researchers in the field have long studied the concerned issues from the different perspectives of the economics of population, the economics of resources and the economics of environment and other related fields.