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Forests 2015, 6(5), 1439-1453; doi:10.3390/f6051439

Applying Effective Population Size Estimates of Kandelia obovata Sheue, Liu and Yong to Conservation and Restoration Management

Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China
School of Life Science and Engineering, Chongqing Three Gorges University, Chongqing 404001, China
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editors: Francis E. Putz and Eric J. Jokela
Received: 17 December 2014 / Revised: 26 March 2015 / Accepted: 21 April 2015 / Published: 28 April 2015
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Effective population size (Ne) is a crucial metric for evaluating the current status of genetic diversity and conservation management. Population of Kandelia obovata, a mangrove species that is patchily distributed along the estuaries off Southeastern China, is genetically structured. Here, we applied skyline analyses to infer the demographic history of K. obovata based on Amplified Fragment Length Polymorphisms (AFLP) data. Congruent trends of population growth rate among populations, but concurrent change in Ne estimates, were inferred in all populations. The recent rapid habitat expansion explains the high census population size but small Ne of populations in Northern Taiwan. Our study also revealed lower Ne of reforested populations than their sources. In silico demographic analyses simulate the small or biased sampling of seedlings for reforestation and revealed over 90% and 99% Ne reduction when only 1/2 and 1/10 samples were collected, respectively. These results emphasize the importance of a comprehensive sampling of seeds for restoration. Overall, this study rendered, not only the current Ne of K. obovata populations, but also indicates the importance of Ne estimation on restoration. View Full-Text
Keywords: conservation; demography; effective population size; Kandelia obovata; restoration conservation; demography; effective population size; Kandelia obovata; restoration

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Huang, B.-H.; Ruan, Y.; Li, J.-Q.; Liao, P.-C. Applying Effective Population Size Estimates of Kandelia obovata Sheue, Liu and Yong to Conservation and Restoration Management. Forests 2015, 6, 1439-1453.

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