scholarly journals Konsep Co-Management dalam Pendekatan Pengelolaan Lingkungan Mangrove di Desa Lubuk Kertang, Brandan Barat, Sumatera Utara

2020 ◽  
Vol 5 (1) ◽  
pp. 129
Author(s):  
A Hadian Pratama Hamzah ◽  
Trisno Anggoro ◽  
Sri Puryono
Keyword(s):  
Management Strategies ◽  
Stakeholder Analysis ◽  
Avicennia Marina ◽  
Mangrove Ecosystem ◽  
Mangrove Forests ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Importance Index ◽  
Sonneratia Alba ◽  
Mangrove Vegetation

Mangroves are one of the important coastal ecosystems that have various benefits and their uses are carried out by various stakeholders. This study aims to 1) find out and analyze the condition of mangrove resources and community beneficiaries, 2) analyze the roles and functions of each stakeholder, and 3) find out and analyze the form of co-management of mangrove ecosystem management in Lubuk Kertang Village, West Brandan, Langkat Regency. Mangrove vegetation data collection is done using the quadratic transect method; while taking socioeconomic, institutional, and interview data using survey and purposive sampling methods. Data obtained from mangrove vegetation include density, frequency, cover, and mangrove importance index. Stakeholder analysis using a matrix of interests and influences. Research shows there are 5 types of mangroves in Lubuk Kertang Village, namely Avicennia marina, Rhizophora mucronata, Rhizophora apiculata, Rhizophora stylosa and Sonneratia alba. Strategies in the context of expanding mangrove forests are with these types. Stakeholder analysis identified 16 stakeholders who were classified in 4 groups, namely subject, key players, crowd, and by standers. Mangrove management in Lubuk Kertang Village is still in the consultative stage. To improve effectiveness, management is directed at the cooperative level in the co-management spectrum with management strategies.

scholarly journals Struktur Vegetasi Mangrove berdasarkan Karakteristik Substrat di Pantai Karang Sewu, Gilimanuk Bali

2021 ◽  
Vol 4 (1) ◽  
pp. 29
Author(s):  
Pande Komang Egar Prihandana ◽  
I Dewa Nyoman Nurweda Putra ◽  
Gede Surya Indrawan
Keyword(s):  
Vegetation Structure ◽  
Sandy Loam ◽  
Avicennia Marina ◽  
Mangrove Ecosystem ◽  
Tree Level ◽  
Loss On Ignition ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba ◽  
Mangrove Vegetation ◽  
Lumnitzera Racemosa

Karang Sewu Beach is one of the areas in the West Bali National Park (TNBB) which has a natural mangrove ecosystem. One of parameters affecting mangrove growth is substrate. This research aims to determine the vegetation structure, substrate characteristics, and different vegetation groups of mangroves based on its substrate characteristics in Karang Sewu Beach. This study collected the data on vegetation structure using a plotted line method with 2x2, 5x5, 10x10 and 20x20 meters transects. Substrate texture was analyzed using a pipette method while total organic material was analyzed using the Loss on Ignition (LOI) method. Mangrove vegetation was categorized based on substrate characteristics using the descriptive quantitative method. Results showed there were nine species of mangrove found in Karang Sewu Beach, namely Ceriops tagal, Sonneratia alba, S. caseolaris, Rhizophora apiculata, R. mucronata, R. stylosa, R. lamarckii, Lumnitzera racemosa, and Avicennia marina. INP in the first station was dominated by R. apiculata for tree levels (152,88 %), pole (174,24 %), sapling (139,04 %), and seedling (111,48 %). R. lamarckii dominated the second station with a tree level value of 226,94 % while C. tagal dominated for pole level (220,82 %), sapling (243,65 %), and seedling (182,94 %). INP in the third stasion was dominated by C. tagal for pole level (103,68 %), sapling (98,77 %) and seedling (95,51 %). Mangrove substrate in Karang Sewu Beach was characterized as having a sand like texture, dusty loam, sandy loam, loamy sand, and sandy clay with moderate organic matter (2.44 %) to low (0.79 %). Mangrove vegetation grouping based on substrate characteristics in Karang Sewu Beach was different in general. A. marina is found in the middle zone, where this species is usually found in the front zone.  

scholarly journals Optimization of Mangrove Ecosystem Management in Kawasan Bungkutoko, Southeast Sulawesi as Ecotourism Area

2020 ◽  
Vol 12 (1) ◽  
pp. 24
Author(s):  
Agus Salim ◽  
Risma Illa Maulany ◽  
Ngakan Putu Oka
Keyword(s):  
Development Strategy ◽  
Mangrove Ecosystem ◽  
City Government ◽  
Mangrove Forests ◽  
Bruguiera Gymnorrhiza ◽  
Mangrove Species ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Xylocarpus Granatum ◽  
Sonneratia Alba

This study aims to determine (1) Assessment of Bungkutoko Ecotourism Conditions; and (2) Supporting factors for optimizing management, and (3) strategies for optimizing management. This research will be carried out for three months from September to December 2018 in the Bungkutoko mangrove tracking ecotourism area, Kendari City, Southeast Sulawesi (Figure 1). Identification of unknown mangrove species will be carried out at the Laboratory of Conservation of forest resources and ecotourism, Faculty of Forestry, Hasanuddin University. The results of the study: (1) Biophysical potential of mangrove ecotourism in Bungkutoko, namely 8 species of mangrove plants consisting of Avicennia lanata, Rhizophora stylosa, Bruguiera gymnorrhiza, Rhizophora apiculata, Sonneratia alba, Xylocarpus granatum, Xylocarpus stylosa, Bruguiera gymnorrhiza, Rhizophora apiculata, Sonneratia alba, Xylocarpus granatum, Xylocarpus stylosa, Bruguiera gymnorrhiza, Rhizophora apiculata, Sonneratia alba, Xylocarpus granatum, Xylocarpus moluccensis, L faustis and L faecus, and Lizar. from birds and reptiles. (2) Condition of mangrove ecotourism practices in Bungkutoko Not optimal, both in terms of education, conservation and welfare. (3) The ecotourism development strategy in Bungkutoko is in quadrant II (S-T strategy). The strategies formulated in quadrant II include: increasing the availability of educational facilities, increasing efforts to preserve the environment of mangrove forests, empowering local communities, increasing Human Resources, and working with the Kendari city government and the private sector to add infrastructure.

scholarly journals KEANEKARAGAMAN JENIS MANGROVE DI DESA MENDALOK KECAMATAN SUNGAI KUNYIT KABUPATEN MEMPAWAH

2019 ◽  
Vol 7 (1) ◽  
Author(s):  
Syahrul Muharamsyah ◽  
M Sofwan Anwari ◽  
Hafiz Ardian
Keyword(s):  
Mangrove Forest ◽  
Avicennia Marina ◽  
Raw Material ◽  
Mangrove Forests ◽  
Bruguiera Gymnorrhiza ◽  
Mangrove Species ◽  
Rhizophora Stylosa ◽  
Sonneratia Caseolaris ◽  
Rhizophora Apiculata ◽  
Bruguiera Cylindrica

Mangrove forests are unique ecosystems that have ecological, biological and socio-economic functions. The function of mangrove forests on the environment is very important especially in the coastal and oceanic regions. Mangrove forests providers of wood, leaves as raw material for medicines, and natural dye. This study aims to inventory the diversity of species of mangrove vegetation in Mendalok Village, Sungai Kunyit Subdistrict, Mempawah Regency. The benefits of this study are to provide the data on mangrove forest vegetation as basic data for local government and related agencies in efforts to protect and preserve mangrove forests in Mendalok Village, Sungai Kunyit Subdistrict, Mempawah Regency. Inventory the tree in mangrove forest used a line with measured 200 meters. There are 6 lines and the distance between the lines as far as 100 meters. The lines of observation are placed by purposive sampling. The results of research found 11 types of species and consisted of 6 genera. The genera are Avicennia, Bruguiera, Ceriops, Rhizophora, Soneratia and Xylocarpus. The species found were Avicennia alba, Avicennia marina, Bruguiera cylindrica, Bruguiera gymnorrhiza, Bruguiera parviflora, Ceriops decandra, Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa, Sonneratia caseolaris, Xylocarpus mollucensis. Diversity of mangrove species in Mendalok Village, Sungai Kunyit Subdistrict, Mempawah Regency was high and should be maintained for conservation and ecotourism area. Keywords : conservation, ecotourism, mangrove, Mendalok Village

scholarly journals Regeneration capacity and threats to mangrove areas on the southern coast of Oriental Mindoro, Philippines: Implications to mangrove ecosystem rehabilitation

2020 ◽  
Vol 21 (8) ◽  
Author(s):  
AARON FROILAN RAGANAS ◽  
ANNALEE S. HADSALL ◽  
NELSON M. PAMPOLINA ◽  
STEFAN HOTES ◽  
DAMASA B. MAGCALE-MACANDOG
Keyword(s):  
Dominant Species ◽  
Avicennia Marina ◽  
Mangrove Ecosystem ◽  
Regeneration Capacity ◽  
Southern Coast ◽  
Mangrove Species ◽  
Rhizophora Apiculata ◽  
Mangrove Ecosystems ◽  
Sonneratia Alba ◽  
Ecosystem Rehabilitation

Abstract. Raganas AFM, Hadsall AS, Pampolina NM, Hotes S, Magcale-Macandog DB. 2020. Regeneration capacity and threats to mangrove areas on the southern coast of Oriental Mindoro, Philippines: Implications to mangrove ecosystem rehabilitation. Biodiversitas 21: 3625-3636. Regeneration capacity is important as it determines the fate of an ecosystem. This study assessed six mangrove areas in the southern coast of Oriental Mindoro, Philippines to evaluate their regeneration capacity status. Four mangrove ecotypes were delineated namely seaward, middle, landward and riverine zones at each mangrove ecosystem, where dominant mangrove species were identified and selected for regeneration capacity study. Three subplots measuring 1 x 1 m2 were laid within the five 10 x 10 m2 survey plots established per zone. The juveniles were counted and categorized according to their height classes, using linear regeneration sampling method; where: RCI (≤40 cm) considered seedlings; RCII (41-150 cm) as saplings; and RCIII (151-≤300 cm) as small trees. Potential threats both anthropogenic and natural were determined through key informant interviews. Seven dominant species were identified across ecotypes in all mangrove sites, namely Avicennia marina, Avicennia rumphiana, Ceriops decandra, Rhizophora apiculata, Rhizophora mucronata, Sonneratia alba, and Xylocarpus granatum. RCI (seedlings) is the most abundant across mangrove sites irrespective of the dominant species. Fishpond operation within the mangrove stand is considered a major threat to the juveniles and most mangrove ecosystems. Therefore, protection and constant monitoring of these mangrove ecosystems are necessary to ensure regeneration success in the future.

scholarly journals Produksi Serasah Musiman pada Berbagai Spesies Mangrove di Pesisir Kabupaten Muna Barat, Sulawesi Tenggara

2020 ◽  
Vol 25 (3) ◽  
pp. 323-333
Author(s):  
Rahman Rahman ◽  
Yusli Wardiatno ◽  
Fredinan Yulianda ◽  
Iman Rusmana
Keyword(s):  
Leaf Litter ◽  
Mangrove Ecosystem ◽  
Litter Production ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba ◽  
Wet Weight ◽  
Bruguiera Cylindrica ◽  
Leaf Litter Production

Mangrove litter production is important in the displacement of organic matter from mangrove vegetation to water such as in the coast of West Muna Regency. However, one factor influencing it is the frequency of rainfall. This research, therefore, aims to determine the influence of the frequency of rainfall in mangrove ecosystem by obtaining data through the fractional wet weight. The results showed that the biomass fraction with the largest amount were Rhizophora mucronata, Rhizophora apiculata, and Sonneratia alba with of 31.59; 31.07; and 30.96%, respectively, while the lowest was Rhizophora stylosa, Bruguiera cylindrica, and Bruguiera gymnorrhiza with of 30.07; 30.10; and 31.95%, respectively. The species with the largest leaf litter production was Bruguiera cylindrica, with of 1.72 g.m-2.day-1 which occurred in April and the lowest was Rhizophora apiculata, 0.24 g.m-2.day-1 in August. The species with the largest leaf litter production was Bruguiera cylindrica, 1.96 g.m-2.day-1 which occurred in May and the lowest was Sonneratia alba, 0.29 g.m-2.day-1 in August. In addition, the species with the largest fruit litter production was Rhizophora apiculata, 1.76 g.m-2.day-1 in April and the lowest was Sonneratia alba, 0.32 g.m-2.day-1 in September. The total litter production was 18,75 g.m-2.day-1 consisted of 6,69 g.m2.day-1 leaf litter, 6,54 g.m-2.day-1 branch litter, and 5,52 g.m-2.day-1 fruit litter. The higher the frequency of the rain, the greater the litter production.   Keywords: biomass fraction, seasonal litter production, West Muna Regency

scholarly journals Analisis Kesesuaian Ekowisata Mangrove Di Desa Taddan Kecamatan Camplong Kabupaten Sampang

2021 ◽  
Vol 12 (2) ◽  
pp. 115-125
Author(s):  
Maywa Widiya Pratiwi ◽  
Firman Farid Muhsoni
Keyword(s):  
Avicennia Marina ◽  
Line Transect ◽  
Rhizophora Mucronata ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba

Kawasan hutan mangrove memiliki keanekaragaman hayati dan biota yang beragam, kawasan ini potensial dikembangkan sebagai kawasan ekowisata bahari. Tujuan penelitian ini untuk mengetahui indeks kesesuaian wisata, daya dukung kawasan, dan daya dukung pemanfaatan ekowisata mangrove di Desa Taddan Kecamatan Camplong Kabupaten Sampang. Metode pengambilan data mangrove menggunakan transek garis dan plot (Line Transect Plot). Hasil penelitian mendapatkan jenis mangrove di lokasi penelitian adalah Rhizophora stylosa, Rhizophora mucronata, Rhizophora apiculata, Sonneratia alba, Avicennia marina, dan Aegiceras cornitulatum. Kesesuaian kawasan untuk dimanfaatkan sebagai kawasan ekowisata bahari kategori mangrove untuk semua stasiun pada kondisi sesuai bersyarat. Daya dukung kawasan menunjukkan hasil kemampuan suatu kawasan dalam menyediakan ruang bagi pemanfaatan sebanyak 199 orang per hari, sedangkan untuk per trip sebanyak 25 orang per trip. Daya dukung pemanfaatan dengan mempertimbangkan persentase kawasan untuk konservasi sebesar 10% maka diperoleh hasil sebanyak 20 orang per hari

scholarly journals Mangrove Community Characteristics and Local Fishermen’s Utilization in North Sulawesi Province: Case study on boat raft fishermen in Sauk village, Labuan Uki bay, Bolaang Mongondow regency

2016 ◽  
Vol 4 (2) ◽  
pp. 139
Author(s):  
Ridwan Lasabuda ◽  
Lawrence J. L. Lumingas ◽  
Rose O. S. E. Mantiri
Keyword(s):  
Fishing Ground ◽  
Density Level ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Purposive Sampling ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba ◽  
Mangrove Vegetation ◽  
Avicennia Officinalis ◽  
Vegetation Characteristic

This study aims to analyze the characteristics of mangrove vegetation in Sauk village, Labuan Uki bay, and to know the exploitation activities and the community’s perception on mangrove ecosystem. Mangrove vegetation characteristic data were collected using transect line method in 3 stations, while mangrove utilization and community’s perception data were obtained through field observation, questioners, and structured interviews. Respondent sampling used purposive sampling, and the respondents were representatively selected based on profession background as boat raft fishermen.Results showed that mangroves in Sauk village consisted of 8 species, Avicennia officinalis Aegiceras floridum, Rhizophora apiculata, R. mucronata, R. stylosa, Bruguiera gymnorrhiza, Sonneratia alba, and S. casiolari. The density level was 689 trees.ha-1 (categorized as rare according to the decree of Living Evironment Minister Numbered 201/2004) and the mean vegetation spread was 95.16 M widely available from 22.70 Ha.People used the mangrove for firewood, building materials, boat frame, fish drying place, net dye material (tree skin), dahannya dibuat wadah bunga buatan, and fishing ground. Some people of the village clear cut the mangroves for boat sailing route, despite violating Indonesian Law numbered 27/ 2007 jo Low numbered 1/2014 concerning coastal area and small islands management.Sixty percent of the respondents understood that mangroves can be cut for various benefits, 40% knew that mangrove area is source of income, 40% as source of firewood, 10% as place where fish lay their eggs, and 10% as coast protection from abrasion.Keyword : mangrove, boat raft fishermen, Sauk village, Labuan Uki bay.ABSTRAKPenelitian ini bertujuan untuk   menganalisis karaktersitik vegetasi mangrove yang ada di desa Sauk Teluk Labuan Uki dan  mengetahui aktivitas pemanfaatan serta  persepsi masyarakat tentang ekosistem mangrove. Data karakteristik vegetasi  mangrove diambil menggunakan metode transek line  di 3  stasiun. Sedangkan data pemanfaatan mangrove dan persepsi masyarakat dikumpulkan melalui teknik observasi lapangan, pengisian kuesioner dan wawancara terstruktur. Pengambilan sampel responden menggunakan metode purposive sampling. Responden dipilih secara representatif berdasarkan latar belakang profesi sebagai nelayan bagan perahuHasil penelitian menggambarkan bahwa mangrove yang ada di  desa Sauk terdiri dari 8  spesies : Avicennia officinalis (api-api), Aegiceras floridum (api-api), Rhizophora apiculata (lolaro), Rhizophora mucronata(lolaro), Rhizophora stylosa (lolaro), Bruguiera gymnorrhiza (ting), Sonneratia alba (lolaro)  dan Sonneratia casiolari (posi-posi). Tingkat kerapatan 689 pohon/ha (kategori jarang sesuai Kepmen Lingkungan Hidup No 201 Tahun 2004). Ketebalan vegetasi mangrove rata2 95,16 meter dari luas yang tersedia 22,70 Ha.Masyarakat memanfaatkan mangrove untuk : sumber kayu bakar, dibuat bahan bangunan, dibuat rangka kapal, tempat menjemur ikan, kulitnya sebagai pewarna jaring, dahannya dibuat wadah bunga buatan, tempat menangkap ikan dan biota air lainnya. Selain itu ada oknum masyarakat desa Sauk yang menebang mangrove untuk membuat lintasan perahu,  dimana kegiatan ini bertentangan dengan UU No.27 Tahun 2007 jo UU No.1 Tahun 2014 tentang Pengelolaan Wilayah Pesisir dan Pulau2 Kecil. 60 % responden memahami bahwa mangrove adalah tumbuhan yang bebas ditebang untuk dimanfaatkan berbagai kepentingan. 40 % responden memahami kawasan mangrove adalah sumber pencaharian masyarakat lokal, 40 % responden memahami sebagai sumber untuk mencari kayu bakar, 10 % responden memahami sebagai tempat bertelur ikan, dan 10 % responden memahami sebagai penahan abrasi pantai.Keyword : mangrove, nelayan bagan perahu, desa Sauk, Teluk Labuan Uki

scholarly journals Percentage of Mangrove Canopy Cover and Mollusks Abundance in Benoa Bay Mangrove Ecosystem

2021 ◽  
Vol 5 (3) ◽  
pp. 105
Author(s):  
Shintani Asri Tinambunan ◽  
Nyoman Dati Pertami ◽  
Ni Made Ernawati
Keyword(s):  
Canopy Cover ◽  
Avicennia Marina ◽  
Mangrove Ecosystem ◽  
Line Transect ◽  
Hemispherical Photography ◽  
Bruguiera Gymnorrhiza ◽  
Mangrove Species ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
The Relationship

This research was conducted to determine the condition of the mangrove ecosystem based on its canopy cover and to determine the types of mollusks (Bivalves and Gastropods) associated with the Benoa Bay mangrove ecosystem. Hemispherical photography is a method for observing mangrove canopy cover and line transect method for mollusks. The composition of mangrove species found in the research location were five species, namely Rhizophora stylosa, Rhizophora mucronata, Rhizophora apiculata, Bruguiera gymnorrhiza, and Avicennia marina. The percentage of mangrove canopy cover in the Benoa Bay mangrove ecosystem is in a good category (average = 76.59%). There are eight types of mollusks found in the research location. There are two types of bivalves (Polymesoda bengalensis and Gafrarium pectinatum) and six types of gastropods (Nerita balteata, Nerita picea, Neritina turrita, Pila ampullacea, Cassidula aurisfelis, and Littoraria melanostoma). The relationship between the percentage of mangrove canopy cover and abundance of mollusks in the Benoa Bay mangrove ecosystem is very strong (r) of 0.920. The higher the percentage value of mangrove canopy cover, the higher the mollusks abundance.

scholarly journals Vegetation Structure and Damage Level Mangrove Forest in Manomadehe Island, Subdistrict South Jailolo, North Maluku Province

2021 ◽  
Vol 21 (1) ◽  
pp. 222
Author(s):  
Salim Abubakar ◽  
Riyadi Subur ◽  
Masykhur Abdul Kadir ◽  
Rina Rina ◽  
Adi Noman Susanto ◽  
...  
Keyword(s):  
Relative Density ◽  
Vegetation Structure ◽  
Mangrove Forest ◽  
Mangrove Forests ◽  
Mangrove Species ◽  
Rhizophora Stylosa ◽  
Xylocarpus Granatum ◽  
Sonneratia Alba ◽  
Mangrove Vegetation ◽  
Ceriops Tagal

Mangrove forest is a natural resource typical of tropical coasts, which has multiple benefits with a very broad impact when viewed from social, economic and ecological aspects. Management of natural resources must be very prudent because it takes a long time to be able to recover when damage / extinction has occurred. The purpose of this study was to determine the composition of mangrove species, the structure of mangrove forest vegetation (species density, relative density of species, frequency of species, relative frequency of species, species cover, relative cover of species and important values) and to determine the level of damage. Extraction of mangrove vegetation using the "spot check" method. The transects are drawn perpendicular to the coastline along the mangrove vegetation. The composition of mangrove species were 7 species, namely Rhizophora apiculata, R. stylosa, Bruguirea gymnorrhiza, Ceriops tagal, Sonneratia alba, Xylocarpus granatum and Aegiceras floridum. In the vegetation structure, the highest density and relative density were found in Rhizophora stylosa and the lowest was Xylocarpus granatum. The highest species and relative frequencies were Rhizophora stylosa, R. apiculata and the lowest were Bruguiera gymnorrhiza. The highest type and closure were Sonneratia alba and the lowest was Ceriops tagal. Meanwhile, the highest importance was in Sonneratia alba and the lowest was Xylocarpus granatum. Overall, the density value of mangrove species on Manomadehe Island is 2796 trees / ha so that the condition of the mangrove forests on Manomadehe Island is still in the good category (very dense).

scholarly journals Keanekaragaman Vegetasi Mangrove di Pantai Tanamon Sulawesi Utara (Diversity of Mangrove Vegetation in Tanamon Beach North Sulawesi)

2014 ◽  
Vol 3 (2) ◽  
Author(s):  
Eka Yuningsih ◽  
Herni E.I Simbala ◽  
Febby E.F Kandou ◽  
Saroyo Sumarto
Keyword(s):  
Avicennia Marina ◽  
Importance Value Index ◽  
Importance Value ◽  
Purposive Sampling ◽  
Terminalia Catappa ◽  
Nypa Fruticans ◽  
Rhizophora Apiculata ◽  
Xylocarpus Granatum ◽  
Sonneratia Alba ◽  
Mangrove Vegetation

AbstrakStudi keanekaragaman dan indeks nilai penting telah dilakukan pada vegetasi mangrove di kawasan Pantai Tanamon dengan menggunakan metode purposive sampling. Ukuran petak ditentukan dengan menggunakan kategori pengelompokan semai (2x2 m2), pancang (5x5 m2), tiang (10x10 m2) dan pohon (20x20 m2). Keanekaragaman vegetasi mangrove di Pantai Tanamon ditentukan dengan menggunakan rumus indeks keanekaragaman Shannon-Wienner. Hasil penelitian menunjukkan bahwa keanekaragaman vegetasi tergolong sedang dengan nilai indeks 1,412. Di kawasan Pantai Tanamon terdapat 6 jenis mangrove yaitu Avicennia marina, Sonneratia alba, Xylocarpus granatum, Rhizophora apiculata, Nypa fruticans dan Terminalia catappa. Indeks nilai penting tertinggi pada pada X. granatum untuk kategori semai (72,977 %), A. marina untuk kategori pancang (80,357 %), A. marina untuk kategori tiang (91,623 %) dan S. alba untuk kategori pohon (142,191 %).Kata kunci: mangrove, keanekaragaman, PantaiTanamonAbstractA study on the diversity and the importance value index of mangrove vegetation in the area of Tanamon Beach was conducted using purposive sampling method. Plot size was determined using classification category of seedling (2x2 m2), stake (5x5 m2), pole (10x10 m2) and tree (20x20 m2). The diversity of mangrove vegetation in the Tanamon Beach was determined using the diversity index formula of Shannon-Wienner. The results indicated that vegetation diversity was medium and the index value was 1.412. The mangrove vegetation consisted of 6 species, i.e. Avicennia marina, Sonneratia alba, Xylocarpus granatum, Rhizophora apiculata, Nypa fruticans and Terminalia catappa. The highest importance-value-index was in the X. granatum seedling (72.977 %), A. marina stake (80.357 %), A. marina pole (91.623 %) and S. alba tree (142.191 %).Keywords: mangrove, diversity, Tanamon Beach

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