LED,;
South;
China;
Sea;
Institute;
of;
Oceanology,;
Chinese;
Academy;
of;
Sciences,;
Guangzhou;
510301,;
China;
Graduate;
University;
of;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;
中国; 华南; 海岸湿地; 退化趋势; 退化原因; 保护对策; 珊瑚礁; 红树林;