中文摘要：

环境效应是天然气水合物科学体系中重要一环,同时,有关该领域的调查研究也是人类安全、环保、经济、科学地利用水合物资源的可靠保证。海底天然气水合物所孕育的独特的生态系统、与之关联的重大地学、环境问题以及资源的勘探开发均是充满魅力而又富有挑战的科学新领域。梳理了当前全球范围内有关水合物环境效应的大部分研究工作,综述了与天然气水合物环境有关的生物效应、化学效应和物理效应的研究现状及内容,着重强调了与该领域相关的基础问题和焦点问题,展望了该领域未来发展的趋势,希望藉此为我国的水合物环境效应调查与评价工作向纵深推进提供参考依据,并能引起广大研究者的兴趣与重视。

英文摘要：

As one of the most important parts of the natural gas hydrate system,the study of environmental effect is critical to safe exploration and development of gas hydrate.The unique seafloor ecosystems supported by gas hydrate,the important geological and environmental issues involved and the geat potential as a new energy reserve are all attractive and challenging new fields of science for the human society.In this review,we inspected the most current survey and research work in this field world widely,and explicitly put forward the three kinds of environmental effects,i.e.the biological effect,chemical effect and physical effect,and especially highlighted the fundamental questions and key issues in this field.Our ultimate goal is to prospect the trend and needs of environmental effect in the future development of natural gas hydrate,provide some necessary references for the survey and assessment of gas hydrate,so as to attract comprehensive interests in the questions from the society.