西沙群岛永兴岛礁坡石珊瑚覆盖率的空间变化
施祺,严宏强,张会领,赵美霞
Spatial variations of stony coral cover on the reef slope of Yongxing Island,   Xisha Islands
SHI Qi,YAN Hong-qiang,ZHANG Hui-ling,ZHAO Mei-xia
热带海洋学报 . 2011, (2): 10 -17 .  DOI: 10.11978/j.issn.1009-5470.2011.02.010