scholarly journals Potential of Natural Regeneration Mangrove Seedling on The Coast of Davi Village Biak Numfor Regency, Papua

2021 ◽  
Vol 9 (2) ◽  
pp. 197
Author(s):  
Jemmy Manan ◽  
Abraham W. Manumpil ◽  
Pilipus Y. Asaribab ◽  
Dandi Saleky
Keyword(s):  
Relative Frequency ◽  
Mangrove Ecosystem ◽  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Mangrove Seedlings ◽  
Ceriops Tagal ◽  
Bruguiera Cylindrica ◽  
Important Value Index

Mangrove ecosystem is an important ecosystem in coastal areas which is a habitat for various types of organisms. The existence of mangrove ecosystems in nature is strongly influenced by the availability of mangrove seedlings and seedlings because they are closely related to the secondary succession process in natural habitats. This research was conducted to analyze the potential for regeneration of mangrove seedlings in the coastal area of Dafi Village, Biak Numfor Regency, Papua. Data collection on the potential for regeneration of mangrove seedlings was carried out using the belt transect method. Analysis of species composition and structure of mangrove vegetation at the seedling level used analysis of species density, relative density, species frequency, relative frequency, and important value index. A total of seven mangrove species were found in the coastal area of Dafi Village, Biak Numfor Regency, consisting of Bruguiera gymnorrhiza, Bruguiera cylindrica, Ceriops Tagal, Rhizophora apiculata, Rhizophora mucronata, Rhizophora Stylosa, and Lumnitzera racemoza. The highest species density and relative density values were found in Bruguiera gymnorrizha and Cerops tagal, while the lowest was Rhizophora mucronata and Lumnitzera racemoza. The highest value of species frequency and relative frequency was Bruguiera gymnorrizha, while the lowest was Rhizophora mucronata. The highest Importance Value Index (INP) of mangrove seedlings was found in Ceriops tagal and Bruguiera gymnorrizha, while Rhizophora mucronata had the lowest INP compared to other species.Keywords: Mangrove Ecosystem; Mangrove Regeneration; Important Value Index AbstrakEkosistem mangrove merupakan ekosistem penting di wilayah pesisir yang menjadi habitat bagi berbagai jenis organisme. Keberadaan ekosistem mangrove dialam sangat dipengaruhi oleh ketersediaan anakan dan semai mangrove, karena sangat berkaitan erat dengan proses suksesi sekunder pada habitat alami. Penelitian ini dilakukan dengan tujuan menganalisis potensi regenerasi semai mangrove di Pesisir Kampung Dafi Kabupaten Biak Numfor Papua. Pengumpulan data potensi regenerasi semai mangrove dilakukan dengan menggunakan metode belt transek. Analisis komposisi jenis dan struktur vegetasi mangrove tingkat semai menggunakan analisis kerapatan jenis, kerapatan relatif, frekuensi jenis, frekuensi relatif, dan  indeks nilai penting. Total tujuh jenis mangrove ditemukan di Pesisir Kampung Dafi Kabupaten Biak Numfor yang terdiri atas jenis Bruguiera gymnorrhiza, Bruguiera cylindrica, Ceriops Tagal, Rhizophora apiculata, Rhizophora mucronata, Rhizophora Stylosa, dan Lumnitzera racemoza. Nilai kerapatan jenis dan kerapatan relatif tertinggi ditemukan pada jenis Bruguiera gymnorrizha dan Cerops tagal, sedangkan terrendah adalah jenis Rhizophora mucronata dan Lumnitzera racemoza. Nilai frekuensi jenis dan frekuensi relatif tertinggi adalah jenis Bruguiera gymnorrizha sedangkan yang terendah adalah jenis Rhizophora mucronata. Indeks Nilai Penting (INP) semai mangrove tertinggi ditemukan pada  jenis Ceriops tagal dan Bruguiera gymnorrizha sedangkan jenis Rhizophora mucronata  memiliki INP terrendah dibanding jenis lainnya.Kata kunci: Ekosistem Mangrove; Regenerasi Mangrove; Indeks Nilai Penting

scholarly journals Sebaran spesies dan status kerapatan ekosistem mangrove di pesisir Kabupaten Muna Barat, Sulawesi Tenggara

2020 ◽  
Vol 10 (3) ◽  
pp. 461-478
Author(s):  
Rahman Rahman ◽  
Yusli Wardiatno ◽  
Fredinan Yulianda ◽  
Iman Rusmana
Keyword(s):  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Calophyllum Inophyllum ◽  
Rhizophora Apiculata ◽  
Xylocarpus Granatum ◽  
Sonneratia Alba ◽  
Ceriops Tagal ◽  
Bruguiera Cylindrica

Mangrove merupakan ekosistem pesisir yang sangat penting bagi manusia karena memiliki fungsi ekonomi, fisik, dan ekologi. Salah satu wilayah pesisir yang merupakan habitat ekosistem mangove adalah pesisir Kabupaten Muna Barat. Adanya pembangunan berdampak pada pengurangan luas dan kerapatan ekosistem mangrove sehingga mempengaruhi struktur dan status kerapatan ekosistem mangrove. Jumlah spesies mangrove yang ada di pesisir Kabupaten Muna Barat adalah sepuluh spesies yang terdiri Bruguiera cylindrica, Bruguiera gymnorrhiza, Rhizophora mucronata, Rhizophora apiculata, Rhizophora stylosa, Sonneratia alba, Xylocarpus granatum, Ceriops tagal, Scyphiphora hydrophyllacea, dan Calophyllum inophyllum. Total kerapatan mangrove adalah 752 pohon/ha yang terdiri dari 879 pohon/ha pada stasiun I, 621 pohon/ha pada stasiun II, 687 pohon/ha pada stasiun III, dan 820 pohon/ha pada stasiun IV dengan status kerapatan termasuk pada kategori rendah.

scholarly journals DESKRIPSI STRUKTUR LAHAN REHABILITASI MANGROVE DI KABUPATEN PROBOLINGGO PROPINSI JAWA TIMUR

2017 ◽  
Vol 12 (2) ◽  
Author(s):  
Ariesia Ayuning Gemaputri
Keyword(s):  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Ceriops Tagal ◽  
Ceriops Decandra

Kawasan hutan mangrove di Jawa Timur terdapat di sepanjang pantai utara mulai Kabupaten Tuban sampai dengan Kabupaten Situbondo seluas sekitar 19.916 hektar (Perum Perhutani, 1994). Keberadaan hutan mangrove tersebut kini semakin memprihatinkan, dimana penyusutan hutan mangrove di Kabupaten Probolinggo mencapai 580 hektar pada tahun 2001 (Kompas, 2001), dan 229,5 hektar di Kabupaten Situbondo (Pemerintah Kabupaten Situbondo, 2005). Dengan laju penurunan hutan mangrove yang demikian cepat, maka diperkirakan hutan mangrove akan lenyap pada tahun 2010 (Ramono, 2003). Kegiatan rehabilitasi hutan mangrove yang dilaksanakan sampai saat ini hanya terbatas pada penanaman pohon-pohon mangrove yang rusak karena penebangan, padahal keberhasilan upaya rehabilitasi juga sangat dipengaruhi oleh kondisi lahan, jenis mangrove, dan tata cara penanaman. Hasil penelitian yang dilakukan pada 3 (tiga) lokasi di pantai utara Jawa Timur bagian timur menunjukkan bahwa, tanah-tanah didominasi oleh fraksi pasir (13,80-94,92 %), pH asam (8,06-8,94), tingkat salinitas tinggi (0,2302-2,4843 %), kapasitas tukar kation rendah (7,8837-27,2901 me/100g), dan kandungan bahan organik rendah (0,1851-2,4675 %). Sehingga jenis mangrove yang dapat direkomendasikan untuk ditanam di Kabupaten Probolinggo pada zona paling dekat dengan darat (belakang) adalah Ceriops decandra, dan Ceriops tagal, pada zona tengah antara lain Bruguiera gymnorrhiza, dan Xylocarpus mollucensis, pada zona paling dekat dengan laut (depan) adalah Rhizophora apiculata, Rhizophora mucronata, dan Rhizophora stylosa.

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 KONDISI VEGETASI DAN PERUBAHAN TUTUPAN LAHAN EKOSISTEM MANGROVE PULAU TANAKEKE KABUPATEN TAKALAR PROVINSI SULAWESI SELATAN

2021 ◽  
Vol 13 (2) ◽  
pp. 305-318
Author(s):  
Aswin ◽  
Ario Damar ◽  
Gatot Yulianto
Keyword(s):  
Maximum Likelihood ◽  
Supervised Classification ◽  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Purposive Sampling ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba ◽  
Ceriops Tagal ◽  
Lumnitzera Racemosa

Ekosistem mangrove merupakan salah satu ekosistem pesisir dengan tingkat produktivitas yang tinggi, sehingga keberadaannya dapat memperkaya kawasan pesisir dan menjaga keseimbangan ekosistem. Penelitian ini bertujuan untuk menjelaskan perubahan luasan dan sebaran ekosistem mangrove dalam kurun waktu 20 tahun, yakni dari tahun 2000 sampai dengan 2020 dan untuk mengetahui kondisi vegetasi ekosistem mangrove di Pulau Tanakeke. Penelitian ini dilakukan pada bulan Januari hingga April 2020 di Pulau Tanakeke. Penentuan lokasi penelitian menggunakan metode purposive sampling. Analisis perubahan luasan ekosistem mangrove dari tahun 2000 sampai 2020 menggunakan metode supervised classification dengan analisis maximum likelihood, sedangkan kondisi vegetasi ekosistem mangrove menggunakan metode analisis indeks nilai penting (INP) dan indeks keanekaragaman jenis. Hasil penelitian menunjukkan bahwa ekosistem mangrove di Pulau Tanakeke dari tahun 2000 sampai 2020 mengalami degradasi seluas -337,41 ha (28,32% dari luas tahun 2000). Pada lokasi penelitian ditemukan 9 jenis mangrove, yaitu Bruguiera gymnorrhiza, Ceriops tagal, Rhizophora stylosa, Rhizophora apiculata, Rhizophora mucronata, Sonneratia alba, Phemphis acidula, Lumnitzera racemosa dan Ceriops decandra. Mangrove jenis Rhizophora mucronata memiliki indeks nilai penting tertinggi yaitu sebesar 192,55%, sementara untuk keanekaragaman jenis secara umum tergolong rendah.

scholarly journals Phtytochemical screening and thin layer choromatography (TLC) profiling of mangrove family Rhizophoraceae and Avicenniaceae

2021 ◽  
Vol 8 (1) ◽  
pp. 01
Author(s):  
Andriani Rafael
Keyword(s):  
Thin Layer ◽  
Avicennia Marina ◽  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Ceriops Tagal ◽  
Ceriops Decandra ◽  
Bruguiera Cylindrica

 Abstrak Penelitian ini adalah dari melaksanakan Februari hingga April 2017. menyalak dari tujuh spesies bakau yaitu ,. Ceriops decandra (Griff.) Ding Hou;  Ceriops tagal ( Perr.) CB Rob .; dan Bruguiera cylindrica ; Bruguiera gymnorrhiza (kiri) Lam; Rhizophora stylosa Griff .; Rhizophora mucronata Lam .; dan Avicennia marina (Forsk.) Vierh. Analisis fitokimia dan profil KLT dari ekstrak kasar kulit kayu yang dibandingkan. Analisis kualitatif menunjukkan bahwa Gonggongan Ceriops decandra (Griff.) Ding Hou, Ceriops tagal ( Perr.) CB Rob.,Bruguiera cylindrica, Bru guiera gymnorrhiza ( Kiri ) Lam, Rhizophora stylosa Griff. , Rhizophora mucronata Lam ., Dan Avicennia marina (Forsk.) Vierh. memiliki beberapa metabolit sekunder yang penting, yaitu senyawa Fenol, Tanin, dan Flavonoid. Flavonoid hanya ada di Avicennia marina (Forsk.) Vierh. Profil KLT menunjukkan bahwa dibandingkan DENGAN Nilai R f standar , Terdapat doa Titik hati kromatogram Ekstrak kasar  Rhizophora stylosa Griff. sama dengan nilai standar (nilai RfFlavonoid-glikosida turun antara = 0,18; 0,26; 0,30) menunjukkan bahwa Rhizophora stylosa Griff mungkin mengandung Flavonoid-glikosida dan asam fenolat ( nilai R f asam fenolat, 0,63-0, 84). Sedangkan Avicennia marina (Forsk.) Vierh mungkin mengandung asam fenolat. Namun, masih ada senyawa yang belum diketahui yang perlu diidentifikasi dalam penelitian lebih lanjut. Kata kunci: mangrove, fitokimia, Kromatografi Lapis Tipis 

scholarly journals Kondisi Ekologi Mangrove Di Pulau Mantehage Kecamatan Wori Kabupaten Minahasa Utara Provinsi Sulawesi Utara

2015 ◽  
Vol 3 (2) ◽  
pp. 41
Author(s):  
Yostan Lahabu ◽  
Joshian N. W. Schaduw ◽  
Agung B. Windarto
Keyword(s):  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Rhizophora Stylosa ◽  
Rhizophora Apiculata ◽  
Sonneratia Alba ◽  
Ceriops Tagal

Mangrove adalah tumbuhan yang tumbuh diantara garis pasang surut. Hutan mangrove memiliki fungsi ekologis dan ekonomis yang sangat penting, tetapi sangat rentan terhadap kerusakan apabila kurang bijaksana dalam mempertahankan, melestarikan dan pengelolaannnya. Penelitian ini dilakukan di Pulau Mantehage Kecamatan Wori Kabupaten Minahasa Utara Provinsi Sulawesi Utara. Tujuan penelitian ini adalah untuk mengidentifikasi jenis-jenis mangrove dan mengetahui kondisi ekologi vegetasi hutan mangrove yang terdapat di kawasan Pulau Mantehage. Metode yang digunakan yaitu metode line transek kuadran. Data yang didapatkan selanjutnya diolah dengan analisis struktur komunitas. Terdapat 8 jenis mangrove yang teridentifikasi di Pulau Mantehage, yaitu : Rhizophora mucronata, Rhizophora apiculata, Rhizophora stylosa, Bruguiera gymnorrhiza, Bruguiera cylindrical, Ceriops tagal, Sonneratia alba, dan Lumnitzera littorea. Hasil analisis vegetasi mangrove menunjukkan ekosistem dalam keadaan belum stabil Hal ini didasarkan pada nilai indeks keanekaragaman yang masuk dalam kategori rendah (H’= 0,93, H’= 0,91, H’=1,07, H’=1,38). Nilai indeks keseragaman dari tingkat semai, pancang, tiang dan pohon dari empat stasiun menunjukkan nilai yang merata (tingkat Semai=0,95, Pancang=0,82, Tiang=64 dan Pohon=0,85). Sedangkan nilai indeks dominansi menunjukkan nilai yang tinggi (tingkat Semai=0,66, Pancang=1,00, Tiang=0,61 dan Pohon=0,37). Faktor lingkungan seperti suhu dan salinitas menunjukkan nilai kisaran 29-33 ppt untuk salinitas dan 27-30 0C untuk suhu. Nilai ini tergolong baik untuk pertumbuhan mangrove.

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 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 The Study of Mangrove Reproductive Phenology in The Rhizophoraceae Family (Bruguiera gymnorrhiza (L.) Lamk., Ceriops tagal (Perr.) C.B. Rob., Rhizophora apiculata Blume. and Rhizophora mucronata Lamk.)

2020 ◽  
Vol 20 (3) ◽  
pp. 406
Author(s):  
WD. Syarni Tala
Keyword(s):  
Mangrove Forest ◽  
Morphological Characteristics ◽  
Forest Area ◽  
Reproductive Phenology ◽  
Rhizophora Mucronata ◽  
Bruguiera Gymnorrhiza ◽  
Flower Bud ◽  
Mangrove Species ◽  
Rhizophora Apiculata ◽  
Ceriops Tagal

Kendari Bay is directly adjacent to the Kendari City area, so that it receives a lot of pressure mainly from community activities. This pressure causes the declining of mangrove forest area every year. Reproductive phenology of mangroves can be used in planning, collecting seeds, and seeding propagules for rehabilitation of degraded mangrove forest area. The aims of this research were to know the morphological characteristics of mangrove reprodutive organs and mangrove reproductive phenology of Bruguiera gymnorrhiza, Ceriops tagal, Rhizophora apiculata, and Rhizophora mucronata in Kendari Bay. The method using in this research was observation method that conducted directly in the field. Morphology and phenology of mangrove reproduction divided into 6 phases, i.e. flower bud, blooming flower, ovary, fruit, young propagule and mature propagule. The data was analysed descriptively. According to the result, the morphological characteristics of 4 mangrove species were different. Flower of B. gymnorrhiza was single, whereas flowers of C. tagal, R. apiculata and R. mucronata were inflorescences. Ovary of B. gymnorrhiza was hemi inferous, whereas ovaries of C. tagal, R. apiculata and R. mucronata were superous. R. mucronata had the largest propagule compared to other mangroves observed. The timing of mangrove reproductive phenology also showed different result. B. gymnorrhiza required 299 days to develop from flower bud to mature propagule and R. apiculata required 262 days, whereas C. tagal and R. mucronata  had not been able known its phenological period because the timing data from ovary to fruit had not been obtained. Further research is needed to resolve this issue. 

scholarly journals Mangrove Ecosystem Biodiversity in Malacca Strait and Its Economic Values to Local Community: A Case Study in Riau Coastline

2021 ◽  
Vol 16 (8) ◽  
pp. 1519-1528
Author(s):  
Zulkarnaini ◽  
Yuliasamaya ◽  
Syafriadiman
Keyword(s):  
Local Community ◽  
Mangrove Ecosystem ◽  
Local Communities ◽  
Soil Conditions ◽  
Field Observations ◽  
Rhizophora Mucronata ◽  
Rhizophora Apiculata ◽  
Important Value Index ◽  
Malacca Strait

The mangrove ecosystem holds a lot of potentials to be utilized by local communities in the Riau Coastline. Therefore, this study was carried out to assess the biodiversity of flora and fauna in the Riau Coastline mangrove ecosystem and its impacts on local communities. The transect was performed to identify soil conditions, distribution, and the dominance of flora species, while field observations and interviews with residents were conducted to determine the presence of fauna and discover the ecosystem’s benefit to the local community's economy. Based on the results, Rhizophora mucronata and Rhizophora apiculata has the highest relative dominance (RDC) and important value index in all observed stations. On the other hand, the fish/water biota species has the highest diversity and have economic that mostly serve as a catch for local fishermen. Ecotourism is also encouraged to boost the community's economy and aid ecological learning for sustainability purposes. The mangrove ecosystem's existence remains sustainable because fisheries are the main commodity, however, logging is less desirable as a source of income.

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