ANALISIS BIOEKOLOGI MANGROVE DAN KEPITING BAKAU DI DAERAH RESTORASI MANGROVE DESA MARGA SUNGSANG KECAMATAN BANYUASIN II KABUPATEN

APRIYANTO, APRIYANTO and Suwignyo, Rujito Agus and Ulqodry, Tengku Zia (2025) ANALISIS BIOEKOLOGI MANGROVE DAN KEPITING BAKAU DI DAERAH RESTORASI MANGROVE DESA MARGA SUNGSANG KECAMATAN BANYUASIN II KABUPATEN. Masters thesis, Sriwijaya University.

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Abstract

Mangrove ecosystems play a crucial role in climate change mitigation, coastal protection, and habitat provision for economically important biota such as mangrove crabs (Scylla spp.). Land conversion into plantations has significantly damaged mangroves, including on the east coast of South Sumatra, particularly in Marga Sungsang Village. This damage has resulted in a decline in mangrove crab populations and disrupted community livelihoods. Mangrove restoration using the mangrove crab silvofishery approach (Sylvo-crab) is a sustainable solution that combines vegetation rehabilitation and aquaculture. This study aims to determine the growth of mangrove vegetation and the growth of mangrove crabs (S. tranquebarica and S. paramamosain) in the mangrove restoration area on the coast of Marga Sungsang Village, Banyuasin, South Sumatra. The data measured include environmental parameters of mangrove and mangrove crab habitats, monthly mangrove survival rates, quarterly mangrove height growth, branch and leaf counts, and measurements of carapace length, width, and weight of mangrove crabs to determine the correlation between carapace width and weight. The results of the study showed that the survival rate of mangroves for 13 months based on the highest seedling was shown by R. mucronata at 70%, R. apiculata at 55%, B. gymnorrhiza 37%, and K. candel 36%. While based on the highest propagule seeds were shown by R. apiculata 70% and B. gymnorrhiza 40%. The growth of mangrove plants showed that R. apiculata seedlings had the most significant increase in height compared to R. mucronata, K. candel, and B. gymnorrhiza, while the propagules of R. apiculata and B. gymnorrhiza showed faster growth in height in the early phase compared to the seedlings. Meanwhile, based on the monthly growth rate, K. candel showed the most consistent growth. The growth pattern of mangrove crabs based on the correlation between carapace width and body weight in non-mangrove ponds showed that S. tranquebarica was negatively allometric (male) which means the carapace width was more prominent and was positively allometric (female) with more dominant body weight. In contrast, S. paramamosain exhibits negative allometric behavior in both sexes, indicating a greater carapace width. However, in mangrove ponds, both males and females exhibit a positive allometric pattern, indicating a greater body weight.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Mangrove Restoration, Marga Sungsang, Sylvo-Crab, Scylla paramamosain, Scylla tranquebarica
Subjects:	Q Science > Q Science (General) > Q1-295 General
Divisions:	11-Postgraduates Study > 95129-Environment Management (S2)
Depositing User:	Apriyanto Apriyanto
Date Deposited:	29 Jul 2025 02:04
Last Modified:	29 Jul 2025 02:04
URI:	http://repository.unsri.ac.id/id/eprint/181282

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