Marine Biology

, Volume 150, Issue 3, pp 321–328 | Cite as

Conservation genetics of Lumnitzera littorea (Combretaceae), an endangered mangrove, from the Indo-West Pacific

  • Guohua Su
  • Yelin Huang
  • Fengxiao Tan
  • Xiaowei Ni
  • Tian Tang
  • Suhua ShiEmail author
Research Article


Mangrove forests, with their ecological significance and economic benefits, are vital inter-tidal wetland ecosystems. Lumnitzera littorea (Combreataceae) is a non-viviparous mangrove distributed in tropical Asia and North Australia. Due to natural and human impacts, populations of this species have been isolated, fragmented, and highly disturbed. In China, L. littorea is an endangered species, restricted to small regions of Hainan Island. The genetic composition of five populations of this species from the Indo-West Pacific (South China, Malay Peninsula, Sri Lanka, North Australia) was assessed using inter simple sequence repeat (ISSR) makers. At the species level, expected mean heterozygosity (He) was 0.240 with 75.6% of loci polymorphic (P). However, genetic variation was much lower at the population level (P = 37.1%, He = 0.118). A high coefficient of gene differentiation (Gst = 0.515) and low level of gene flow (Nm = 0.470) indicated significant genetic differentiation among populations. AMOVA also indicated that more than half the total variation (58.4%) was partitioned among populations. The high degree of differentiation observed among populations emphasizes the need for appropriate conservation measures that incorporate additional populations into protected areas, and achieve the restoration of separate, degraded populations.


Gene Flow Inter Simple Sequence Repeat Mangrove Forest Mangrove Species Malay Peninsula 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank Dr. Norman Duke, Dr. Sonjai Havanond, Dr. Xuejun Ge, Mr. Cairong Zhong, and Dr. L.P. Jayatissa for their assistance in the collection of plant material. This study was supported by grants from the National Natural Science Foundation of China (30070053, 30230030, 30300033, 30470119, 30500049), the Natural Science Foundation of Guangdong Province (001223, 5003316), International Foundation for Sciences (D/3836-1), the Start-up Research Funds for Young Teachers from Sun Yat-Sen University, the Chung Hungta Science Foundation of Sun Yat-sen University, the Qiu Shi Science and Technology Foundation and the National Key Project for Basic Research (973) grant 2003CB715904.


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Guohua Su
    • 1
    • 2
  • Yelin Huang
    • 1
  • Fengxiao Tan
    • 1
    • 3
  • Xiaowei Ni
    • 1
  • Tian Tang
    • 1
  • Suhua Shi
    • 1
    Email author
  1. 1.State Key Laboratory of Biocontrol, Key Laboratory of Gene Engineering of the Ministry of Education, School of Life SciencesSun Yat-Sen UniversityGuangzhouChina
  2. 2.South China Botanical GardenGuangzhouChina
  3. 3.College of Agronomy of South China Agriculture UniversityGuangzhouChina

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