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- Title
Litterfall pattern and dynamics of Bruguiera hainesii C. G. Rogers: IUCN critically endangered true mangrove species at Langkawi UNESCO Global Geopark.
- Authors
ABD. RAZAK, SITI-NURFAEIZA; JULIANA, W. A. WAN
- Abstract
Reproductive and non-reproductive litterfall plant parts of Bruguiera hainesii was examined at Sungai Kisap Forest Reserve of Pulau Langkawi. We aim to observe the litterfall dynamics of B. hainesii, which is a critically endangered true mangrove tree species. Litterfall study would give a good overview of the phenological calendar, specifically the flowering and fruiting period. Three custom-made litter traps at the dimension of 50 cm x 100 cm were established for cumulatively 13 months of data collection within 29 months observation time frame. Litterfall plant parts were separated into leaves, twigs, fruits, and flowers. The highest litterfall production of B. hainesii was in February 2016 (417.83 g ± 41.91), and the leaves were the largest component of litterfall for each month (81% - 95%). The highest fruit production was in January 2014 (eight buds) and January 2016 (five buds). Different peaks of flower production were recorded, which was in December 2013 with 260 buds and October 2015 with 140 buds. Pearson's correlation analysis showed that there was a strong positive correlation between litterfall production and air temperature (r = 0.805) but a weak negative correlation with total rainfall (r = -0.305). A proper plan for reproductive organs or seedlings propagation is recommended to safeguard the only B. hainesii population at Pulau Langkawi.
- Subjects
MANGROVE plants; FOREST reserves; GENITALIA; SPECIES; ENDANGERED plants; ATMOSPHERIC temperature; STATISTICAL correlation
- Publication
Malayan Nature Journal, 2020, Vol 72, Issue 4, p477
- ISSN
0025-1291
- Publication type
Article