bio-diversity

The upper Minjiang river is a unique nature area, with the dry valley, complex geological structure and abundant of bio-diversity.

岷江上游地区自然地理特征独特，干旱河谷发育，地质构造复杂、生物多样性丰富，从现有的考古发掘来推断，岷江上游人文景观演绎的历史，最早可以追述到新石器时代。

With the increase of population and decrease of petroleum output in Daqing area, the change of land use is more notable and the intensity of land use is more strengthened, which lead to the land deterioration, soil and water pollution, bio-diversity decreased.

随着人口增长和石油产量的逐年降低，大庆市对土地利用模式的改变及对土地利用强度的加大，导致土地退化，土壤污染，水污染加重和生物多样性降低等后果；

There are many problems existing in developing Eco-Tourism in Natural Conservation Areas, such as resources shortage, environment pollution, and bio-diversity decreasing. In terms of these problems, this paper put forward some basic principles on management plan of Eco-tourism in Natural Conservation Areas.

针对在自然保护区发展生态旅游存在许多问题，诸如自然环境破坏、自然资源匮乏、环境污染、生物多样性减少、管理不完善等问题，提出了在自然保护区发展生态旅游的基本原则。