黄河三角洲湿地发展概述及治理修复建议OA

The Yellow River Valley holds a very important status on economic and social development as well as the ecological security of China.At the lower reaches of the Yellow River develops the Yellow Riv-er Delta where the widest,youngest and most perfect costal wetland ecosystem on the warm temperate zone of the world distributed.The Yellow River Delta boasts the unique geological landform which deter-mines its ecological diversity,also with an important international significance for protection,so more meaningful studies and great protection should be implemented in this region.The paper based on the poli-cies and regulations as well as the status quo of wetland area decreasing,put forward some issues on the study content,such as shoreline variation,erosion and deposition rate,geomorphology,as well as the res-toration methods of decompression and diversion to expand the Yellow River Delta wetland,with the aim of providing effective reference to strengthen ecological protection and promoting high-quality development of the Yellow River Delta wetland and the Yellow River Valley as a whole.