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All Journal Acta Aquatica: Aquatic Sciences Journal Tomini Journal of Aquatic Science
Faizal Kasim
Jurusan Manajemen Sumber Daya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry Materials Science & Nanotechnology Other

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Analisis kondisi eksisting struktur komunitas mangrove Kawasan Pesisir Bolihutuo Kabupaten Boalemo Provinsi Gorontalo Yowan Moha; Maria Kriscintya Any Bay; Sentia Sentia; Faizal Kasim
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 9: No. 2 (August, 2022)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v9i2.8122

Abstract

This study aimed to determine the existing condition of mangroves located in one of the coastal areas of Tomini Bay, precisely on the coast of Bolihutuo Village, Boalemo Regency, Gorontalo Province. The Data collection was carried out from August to September 2021. The procedures include the biophysical sampling of mangroves using the plot line transect method at three stations to distinguish the tree and saplings growth level of mangroves and their environmental conditions, also the extent area digitized from the google earth images. The results show that there are ten species as the richness of species occupying 60.61 ha of this mangrove forest with a salinity range of 21.33 ppt - 22.44 ppt. In general, the diversity of mangrove species in this area has a low category (H'<1). Furthermore, the results of the analysis of ecological development through the important value (IVI) record that R. stylosa was the dominant species at the tree level (112.69%) and sapling (62.14%), with different co-dominance, namely R. mucronata for the tree level (66.99%) and C. decandra at the sapling level (38.94%). The dominance of R. stylosa is supported by the basal area of their tree, which ranges from 0.98 - 1.22 m2. Overall, the relative frequency values between categories of all species ranged from 5.56 - 16.67% (saplings) and 5.26 - 15.79% (trees), while the relative density ranged from 0.46% - 45.48% (saplings) and 0.63% - 54.40% (trees).Keywords: Mangrove patch; Dominant rank, IVI, Species richness; R. stylosa
Co-Management pengelolaan ekosistem mangrove di Desa Langge Kecamatan Anggrek Kabupaten Gorontalo Utara Miranti Khairunisa Abudi; Sri Nuryatin Hamzah; Faizal Kasim
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 9: No. 2 (August, 2022)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v9i2.8124

Abstract

Mangroves are one of the important ecosystems that are currently being damaged. This research aimed to 1) determine the existing condition of Langge Village's mangroves and their utilization, 2) analyze stakeholders, the influence and mapping of co-management, and 3) analyze the form of co-management, roles, and responsibilities of stakeholders towards mangrove management in Langge Village. This research was conducted in August-November 2021. Mangrove vegetation data was collected using the line transect method; while the stakeholder data collection is done by open interviews. The data obtained from mangrove vegetation are frequency and density; while the stakeholders are in the form of interests, influence, implementation of co-management, and the roles and responsibilities of stakeholders. Based on this study, 16 species of true mangroves were found at 3 observation stations from Avicennia, Bruguiera, Ceriops, Rhizophora, Sonneratia, and Xylocarpus groups. Mangrove management in Langge Village is at the Advisory Committee stage or the advocacy stage.Keywords: Co-Management; management; mangrove; stakeholders
Characteristics of Avicennia lanata (Ridley) Species for mangrove restoration on the coast of North Gorontalo Faizal Kasim
Tomini Journal of Aquatic Science VOLUME 3 ISSUE 1, MAY 2022
Publisher : Gorontalo State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/tjas.v3i1.15541

Abstract

Research on the rare mangrove Avicennia lanata (Ridley) is based on the habitat affinity of this species on the coast of North Gorontalo observed during 2017-2019. The current search was carried out in geographically isolated areas (land and islands) using a combination of tracking and Point Centered Quarter (PCQ) techniques to observe the substrate condition and elevation of the mangrove patch habitat, as well as to observe the morpho-anatomical character of the stand. The results showed that the habitat affinity of A. lanata species in North Gorontalo covers a wide range of substrate types, including mud, sandy mud, sand, muddy sand, and sandy and muddy soil on land with an elevation of 5.11–6.57 MDPL. The morpho-anatomical character as a distinguishing feature of A. lanata species from other Avicennia species found in leaves, stems, and fruit, could only be observed clearly in individual stands and trees. This study recommends restoration/monitoring of mangrove species A. lanata (Ridley) with a mixed-species restoration approach and community-based co-planting in a long-term mangrove restoration program in the coastal area of North Gorontalo.
Co-Authors Maria Kriscintya Any Bay Miranti Khairunisa Abudi Sentia Sentia Sri Nuryatin Hamzah Yowan Moha