In order to assess the cities' human settlement, this paper proposes a new method according to the elements of niche suitability by the following: (1) the author selects meticulously 25 leading indicators what can reflect the best coupling between the reality niche and the best approximate niche; (2) the author sets up a new quantitative model of multiplies indices using niche suitability on assessing the cities' human settlements. By the way, the indices those the author uses to set up the model are form the economical, social and environmental niche respectively. The new method and the model...
