西宁市自然及人为因素与城市环境生态系统的作用机制

本文通过对西宁市地貌、气候、水文等自然因素及人类活动与环境生态系统的作用机制的研究，得知自然因素、人类活动，特别是人工地貌正在越来越大的程度上影响着城市环境生态系统，而这种或优或劣的影响所导致的反馈又作用于前者的演化，从而产生良性或恶性的循环。为西宁市的环保、城建等有关部门统筹规划，避免和改善自然和人为因素的不良效应，避免城市地貌灾害的发生，控制热岛效应，防治环境污染，提供有关理论依据。

PRELIMINARY STUDY OF THE ACTION'S MECHANISM OF URBAN NATURE SYSTEM,ANTROPOGENIC ACTION AND THE URBAN ENVIRONMENTAL SYSTEM IN XINING

After the preliminary study of the action's mechanism of Urban nature system,antropogenic action and the urbsn environmental climate especial antroPOgenic land forms has great effects on environment syStem,and reaction of environment system influence and act evolution of land form,climate &hydrology,so cycle well or worse.Remand the deportments concerned,such as:department of UrbsnconStruction etC.should overall planning,avoid and improve worse effort,contral heat island,avoid anddminister environment POllute.