Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/48621
Title: GENETIC CONNECTIVITY OF FOUR MANGROVE SPECIES FROM THE MALAY PENINSULA
Authors: WEE KIM SHAN
Keywords: Avicennia alba, Bruguiera gymnorhiza, gene flow, genetic structure, Rhizophora mucronata, Sonneratia alba
Issue Date: 12-Aug-2013
Source: WEE KIM SHAN (2013-08-12). GENETIC CONNECTIVITY OF FOUR MANGROVE SPECIES FROM THE MALAY PENINSULA. ScholarBank@NUS Repository.
Abstract: As habitat fragmentation and degradation continues to threaten the integrity of genetic connectivity in mangroves, gene flow among populations becomes increasingly important for the maintenance of sufficient genetic diversity and evolutionary potential. In this thesis, I determined the effects of reproductive traits, physical barriers and ocean currents on gene flow in mangroves, by examining the genetic connectivity of four major mangrove species from the Malay Peninsula. My data revealed that the relative genetic connectivity across species reflects their relative propagule dispersal potential, indicating that dispersal traits have a significant influence over gene flow. Comparative analysis across species demonstrated that the peninsula was a differential barrier to gene flow, and that ocean currents are important in defining genetic connectivity. Understanding gene flow in mangroves and the intrinsic and extrinsic factors behind it is crucial in assessing the genetic susceptibility of mangroves towards and the potential of recovery from habitat disturbances.
URI: http://scholarbank.nus.edu.sg/handle/10635/48621
Appears in Collections:Ph.D Theses (Open)

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