Sustainable forest management through natural mangrove regeneration on Pannikiang Island, South Sulawesi

Abstract

Sustainable management of mangrove forests is determined by the ability of the forest to regenerate naturally. This study aims to determine the potential of natural stands and regeneration of mangrove forests on Pannikiang Island, Barru Regency. Determination of sample plots was done by Purposive Line Sampling plot technique. All plants in the observation transect were identified and classified based on the growth phase, namely seedlings, saplings, poles, and trees. The results showed that there were 20 species, consisting of 8 true mangroves, 5 supporting mangroves, and 7 species of mangrove associations. The estimated total volume of mangrove stands in the Pannikiang island area was 23,624.71 ≤ 39,679.45 ≤ 55,734.19 m³. The potential for natural regeneration of mangrove species on Pannikiang Island is determined by the highest Importance Value Index (IVI) from seedling to tree level. Mangrove natural regeneration with the highest IVI at all tree growth rates was dominated by the species of Brugueira gymnorhiza, Rhizophora mucronata, Sonneratia alba, and Rhizophora stylosa. These species can guarantee the survival of natural regeneration for mangrove communities on Pannikiang Island, while other species require intervention through artificial regeneration.

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