金元歡，1979年入南京大學，1989年獲理學博士學位。建設部人居環境委員會特聘專家、浙江大學card區域發展研究所副所長、房地產投資研究所副所長、思源環境與發展研究院院長，并受聘多個大學研究所兼職教授和政府專家顧問，從事原生態景觀設計研究、水景設計與治理專業研究20多年，nars自然水景系統創立人和原生態景觀規劃設計的創導者。

nars自然水景系統能使水體清澈見底，景觀生動美麗，可解決目前水景中水體渾濁、發黃變臭的難題。曾主持參加數十項國內外科研項目研究和近百項橫向項目開發，發表100多篇論文，8部專著。近年來為國內知名樓盤、城市河道、 生態城市規劃、濕地公園、湖泊、水庫、水景公園、度假村和眾多園林景觀水體設計、營造nars自然水景系統，對水景設計、營造和治理有豐富的實踐經驗。

In 1979, Jin Yuanhuan became an undergraduate student at Nanjin University, he got his master’s degree and doctorate degree in 1986 and 1989. Having studied the environmental field, aquascape design and processing for more than 20 years, Jin is as the directors of some institutes  at  Zhejiang University at present.

As the founder of the NARS (natural aquascape restoration system) technique, Jin has completed many nars projects in china, and also many NARS  projects are being undertaken in different areas. NARS is a new technique to make the water body of rivers and lakes very clear and beautiful. NARS could be used for water body processing in various fields such as urban planning, landscape design, residential quarters and scenic spots etc..