| Recently, with the problem of ecological security happening frequently in global, the issue on land resources ecological security also gradually expands. Based on the relevant research results of domestic and foreign, the article takes a typical area as the research object, then set up a regional characteristic index system of land resources ecological security. By the dynamic evaluation of land ecological security in jianghan plain from2002to2011, the situation of land resources ecological security in different areas are analysised during the period.And then, efforts on the ecological security problem in relevant areas are made,which is aimed at coming up with impactful countermeasures. The.main conclusions of this article are as follows:(1) In the eight major cities of Jianghan plain in Hubei province in2011, the comprehensive value of land resource ecological security in Jingmen and Yichang are best Their comprehensive values are0.77528and0.72593, and also they are in good conditin. On the contrary, Wuhan and Xiaogan are the relatively poor areas, whose comprenhensive values are0.54818and0.54875, under a sensitive state.(2) Generally, the comprenhensive values in many areas have improved in the recent ten years between2002and2011, though, there is a certain fluctuation. A big gap exists in different cities on the comprehensive value.(3) In2002-2011, with the development of economic in areas, the ecological security of land resources in plain area remaines stable on the whole, with a slightly rising from0.64012to0.64582.With a substantial increase in investment over environmental protection, it can be expected that the status of ecological security of land resources in plain areas will be improved during the12th Five-Year Plan Period.(4) Acoording to the situation of land ecological security in Jianghan Plain, Hubei province, it is urgent to deal with the series of problems that is how to make full use of land resource and how to advance the land ecological security. |
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