Some Thoughts on the Across-the-Century Urban Development Strategy for the Coastal Region in China

After the reform and open-door policy.the economyin the coastal region of China has experienced great develop-ment and the urban space undergone a rapid expansion.The agglomeration of cities in the economically more devel-oped region has been amazing too.The investment environ-ment in the special economic zones and open cities of thecoastal region has been greatly improved,of which the mostdistinct areas are the Pearl Delta Area,the Yangtze DeltaArea,Jing-Jin-Tang Region and the middle and southernpart of Liaoning province. The so-called coastal region stretches from Liaoningto Guangxi and Hainan,including 12 provinces,autono-

基于RCSODS模型的东南沿海双季稻生长发育及产量模拟和验证

通过在东南沿海稻区(福建)不同区域开展的双季稻主栽品种田间观测试验,采用RCSODS模型,结合水稻品种特性和稻区气候特点,对模型参数进行调整,进行水稻试验品种的生长发育期及产量模拟预测;同时以田间观测数据验证模型模拟的准确性,结果表明基于RCSODS模型的水稻生育期模拟误差在0～5d,产量模拟的平均误差在5%以内,模拟准确率较高,模拟结果基本符合东南沿海地区水稻生长发育实际情况。

沿海防护林在滨海城市环境建设中的地位及发展对策

滨海城市作为特殊的城市类型 ,其森林依生态功能可划分为沿海防护林 ,大气净化森林 ,自然保护区和森林公园、居民点绿化森林 ,经济林及特殊人文景观森林生态功能区。该文着重论述了沿海防护林在滨海城市建设中的环境地位、经济地位和社会地位 ,并从森林生态网络体系建设和可持续发展角度 。