ASSESSMENT OF LITTERFALL PRODUCTION OF MANGROVES RECOVERING FROM TYPHOON DURIAN (2006) IN CAN GIO, HO CHI MINH CITY
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Abstract
The study assesses litterfall production of mangroves recovering disturbance caused by typhoon Durian in Can Gio, Ho Chi Minh City from 11/2019 to 10/2020. Fallen samples were collected by net traps located in three areas: undestroyed forest (F), destroyed and not cleared forest (G), and cleared broken forest (R). The total litterfall production was 59,03 ± 8,76 g/m2/month, 56,92 ± 5,99 g/m2/month, and 43,05 ± 9,22 g/m2/month, respectively for zone F, G, and R. The predominance of Rhizophora apiculata in the F zone is the reason for the higher yield of this region than in the R zone. The sediment’s salinity, the removal of salt through the leaves, and the influence of strong winds caused litterfall production in the dry season to be higher. Litterfall production in Can Gio is much lower than that of other mangroves in Vietnam and around the world. This suggests that the surveyed mangrove ecosystem has not yet entered the mature and stable stage.
Keywords
Can Gio mangrove, litterfall production, recovering mangroves, typhoon Durian
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References
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