Spatiotemporal dispersal study of mangrove Avicennia marina and Rhizophora apiculata propagules
The propagule dispersal pattern of the two common mangrove species, Avicennia marina (Forsk.) Vierh. and Rhizophora apiculata Blume at a mangrove fringed coast, in the southwest tip of Penang Island was examined. Propagule dispersal study of both species were carried out by release and recapture...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2022
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| Online Access: | http://journalarticle.ukm.my/20448/1/2.pdf http://journalarticle.ukm.my/20448/ https://www.ukm.my/jsm/malay_journals/jilid51bil8_2022/KandunganJilid51Bil8_2022.html |
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| Summary: | The propagule dispersal pattern of the two common mangrove species, Avicennia marina (Forsk.) Vierh. and
Rhizophora apiculata Blume at a mangrove fringed coast, in the southwest tip of Penang Island was examined. Propagule
dispersal study of both species were carried out by release and recapture method, while early developments of propagule
were observed by an on-site tethering system. A. marina propagules recorded higher dispersal rate as compared to R.
apiculata. After 60 tidal cycles, almost all propagules had moved away from the initial release site under the influence of
strong wave current. The A. marina propagules were observed to grow better and faster than the R. apiculata propagules.
However, the propagules of both species eventually failed to establish at the study site due to strong wave effect as well
as unfavourable soil condition. A. marina and R. apiculata were found to adopt different strategies in propagule dispersal
and early growth. A. marina was notably better adapted to thrive in the coastal environment. In a similar open coastal
area, wave current and soil condition are suggested to be the most critical factors affecting the mangrove propagule
dispersal and early establishment. |
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