Mangrove Ecosystem Resilience Based on Recruitment Indices on the Coast of West Muna Regency, Indonesia
Keywords:
Mangrove ecosystem, recruitment indeces, resilience, cycle of resilienceAbstract
This study aims to determine the resilience of mangrove ecosystems with a Recruitment Indices approach in the coastal of West Muna Regency. The research method used quadrant transects (10 x 10 m2). Analysis of the resilience indices is based on the RI with the equation RI = Ln ((0.7 x DSd/DT )+ (DSp/DT)). The results showed that station I and station II found the highest RI of total mangrove ecosystem with values ??of 1.43 and 1.38. In contrast, stations III and IV were the lowest, with RI values ??of 1.07 and 1.05, respectively. Meanwhile, the highest RI values ??for mangrove species on the coast of West Muna Regency were B. gymnorrhiza and B. cylindrica, with RI = 1.70 and RI = 1.63, respectively. In comparison, the lowest was S. alba (RI = 0.90) and R. stylosa (RI = 1.22). Based on the RI value, the mangrove ecosystem on the coast of West Muna Regency is in the high resilience category (RI = 1.25 ± 0.20). It indicates that the mangrove ecosystem on the coast of West Muna Regency has good regeneration and growth abilities so that it can recover even though it is under ecological pressure.
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