生态旅游是实现旅游可持续发展的重要途径,并不断受到旅游界的热宠,西南民族地区发展生态旅游具有很多优势,依据生态旅游相关理论研究西南民族地区生态旅游的发展具有重要意义。本文在研究生态旅游发展的基础上,运用S W O T分析法对西南民族地区生态旅游发展的优势、劣势、机遇和威胁等方面进行了全面分析论证,并据此提出了西南民族地区生态旅游发展的战略选择。
Despite its recency as a research area, ecosystem service research has developed over the last decade into a signiifcant area of science. In this paper we review recent advances and challenges in ecosystem service research. Our review ifnds that （i） Ecosystem services are ubiquitous in biosphere. But they are treated differently among scientific communities. In order for the concept of ecosystem services to make a large and meaningful contribution to conservation and human wel-being, it needs to be clearly deifned and put into a framework so that it is both ift for a given research purpose and operational for management decisions. In addition, there is not one classiifcation scheme for al purposes. Ecosystem services should be classiifed based upon both the characteristics of ecosystem services of interest and a context for which the concept of ecosystem services is being mobilized. （i ） As sources of human wel-being, ecosystem services have several key ecological and economic characteristics such as complexity, spatial scales, public-private goods aspect and benefit dependence. Understanding these characteristics is a prerequisite for measuring, modeling, valuing and managing ecosystem services. （iii） Human demands for ecosystem services and the supply and use of them are three necessary linkages between ecosystems and human well-being. They are of great importance to such vital issues as ecological conservation and social equity. In most cases, integrated studies involving multi-disciplines, multi-sectors and multi-districts on those three linkages should be carried out to support sound ecosystem service management decisions. And （iv） ecosystem services have multiple value attributes including utilitarian values and non-utilitarian values. In the processes of making decisions concerning the use of ecosystem services, al kinds of values are usual y played out on a common and not always level playing ifeld. They intersect and interact in various ways, and may complement or counter-balance each oth
