Study On Forest Resources Change And Its Influence On Economic And Social Activities

Forest is the main body of the terrestrial ecosystem and is closely linked with human's exist. Forest harvests reclaim and other activities make forest resource changes greatly in Da Hingan Ling Mountains, this article make Songling District as study area and study forest recourses change in more than twenty year. Then study the influence on human economic and social activities. The research results are as follows:1. Forest resources' change. After more than twenty years' harvest, the number of the resources and the quality of the forest is decline.2. The influence on the industry. Forest resources' change promote the first industry and accelerate the development of the third industry ; forest economy plays a very important role in the second industry, so when the forest resources reduce and there is almost no forest can be harvested, the second industry decline and its percentage in whole GNP is decrease.3. Forest resources' change has an important impact on human migration. Because of resources' change, the employment opportunities are deduced. The population of emigration is more than immigration afterABSTRACT1980th, the population of Songling Forest Bureau is decrease after 1994.