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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Journal of Marine Research Jurnal Kelautan Tropis Journal of Tropical Marine Science Indonesian Journal of Mollusk Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Chrisna Adhi Suryono
Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro, Semarang, 50275, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science

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Kajian Kondisi Lahan Mangrove di Desa Bedono, Kecamatan Sayung, Kabupaten Demak dan Kelurahan Mangunharjo, Kecamatan Tugu, Kota Semarang Zaky, Abdul Rohman; Suryono, Chrisna Adhi; Pribadi, Rudhi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.865 KB) | DOI: 10.14710/jmr.v1i2.2024

Abstract

Mangrove ecosystem have an important role in coastal and marine areas. The existence of these ecosystems in the midst of human life provides many benefits. There are several benefits that are directly or indirectly. Utilization of these ecosystems can slowly lead to a problem that needs to be done the proper management efforts for the utilization of mangrove areas can be done in an optimal and sustainable. One of these management is to evaluate mangrove land condition. The results showed that in both study site physical factor of inundation was the most dominant, while chemical factor even though mostly also similar. Land use and land interaction against current and wave were the most influence factor on mangrove land suitability in Bedono, while in Mangunharjo the most dominant was land use. In term of land suitability for mangrove both Bedono and Mangunharjo were fall into sufficient enough category with physical factors more dominant than the chemicals.
Kajian Kawasan Rehabilitasi Mangrove Di Desa Kartikajaya, Kecamatan Cepiring Dan Desa Margorejo Kecamatan Patebon, Kabupaten Kendal Putro, Muhamad Irfan Cahyo; Suryono, Chrisna Adhi; Pribadi, Rudhi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (522.962 KB) | DOI: 10.14710/jmr.v7i2.25897

Abstract

ABSTRAK : Upaya-upaya rehabilitasi mangrove sudah sering dilakukan dibanyak tempat di Indonesia, namun belum ada kajian hasil rehabilitasi untuk mengetahui sejauh mana upaya kegiatan rehabilitasi tersebut. Penelitian ini mempunyai tujuan yaitu : (1) mengetahui struktur dan komposisi vegetasi mangrove; (2) mengkaji kegiatan rehabilitasi di lokasi penelitian. Metode penelitian yang digunakan adalah metode diskriptif eksploratif dengan analisa struktur dan komposisi vegetasi mangrove, tabel, dan presentase. Berdasarkan hasil penelitian ditemukan 16 jenis mangrove. Kerapatan kategori pohon (tree) di Desa Kartikajaya  sebesar 1367 ind/ha – 2766 ind/ha yang didominasi oleh Avicennia marina, dan untuk Desa Margorejo memiliki nilai 600 ind/ha – 2433 ind/ha yang didominasi oleh Rhizophora mucronata. Indeks Keanekaragaman (H’) dan Keseragaman (J’) mangrove di kedua lokasi penelitian termasuk dalam kategori rendah. Distribusi kelas diameter pohon di Desa Kartikajaya dan Desa Margorejo didominasi kelas 4 - 7 cm, sedangkan distribusi tinggi pohon didominasi oleh kelas 4,1 - 6 m. Peraturan tentang rehabilitasi dan pengelolaan mangrove di kedua lokasi belum tersosialisasi dengan baik, terdapat lembaga pemerintah dan lembaga non pemerintah yang terlibat rehabilitasi dan pengelolaan mangrove di kedua lokasi penelitian yang berperan cukup baik, dan partisipasi masyarakat dalam kegiatan rehabilitasi dan pengelolaan mangrove di Desa Kartikajaya lebih baik jika dibandingkan Desa Margorejo. ABSTRACT : Mangrove rehabilitation efforts have often performed in many places in Indonesia, but there have been no study results to determine the extent of the rehabilitation efforts of rehabilitation activity. The research aim to: (1) determine the structure and composition of mangrove vegetation; (2) assess the rehabilitation activities at the research location. The method use explorative descriptive method with analysis of the structure and composition of mangrove vegetation, table, and percentage. Based on the results of the research, researcher found 16 species of mangrove. Density of tree categories in the Kartikajaya for 1367 ind/ha - 2766 ind/ha dominated by Avicennia marina, and for Margorejo has a value of 600 ind/ha - 2433 ind/ha dominated by Rhizophora mucronata. Diversity Index (H ') and evenness (J') of mangrove in both location included in the low category. Distribution of diameter classes of trees in the Kartikajaya and the Margorejo dominated by a class of  4-7 cm, while the height of the tree distribution is dominated by a class of 4,1-6 m. Regulations on rehabilitation and management of mangroves in both locations have not been properly socialized, there are government and non-government institution that involved on rehabilitation and management of mangrove in both research sites and have a role well, and community participation in the rehabilitation and management of mangrove in Kartikajaya is better than in the Margorejo.
DISTRIBUSI KELAS UKURAN KERANG SIMPING PINGGIR (Placuna Placenta, Linn, 1758 :Pelecypoda) DI PERAIRAN GENUK SEMARANG Isti Anti, Diah Ayu; Suryono, Chrisna Adhi; Irwani, Irwani
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (208.365 KB) | DOI: 10.14710/jmr.v3i1.4592

Abstract

Placuna placenta are often called scallop shells included in the phylum mollusca, Pelecypoda Class, and Family Placunidae. The research was held on October until December 2012. The research was conducted at the research 8 stations. The materials have been used are scallop shells, sea water, and the substrate of water base. The method used in this research is descriptive method and purposive sampling method as the method in determining the location of doing research with interval of 1 month. The result of this research is that the distribution of scallop shells in Genuk waters found in October was 63 ind / ha, in November 582 Ind / ha and in December 155 ind/ha. The Results of the linear regression about relationship length and weight of the Scallop shells in the period October- December included on negative allometric because the regression coefficient (b) less than 3. The abundance of scallop shells on research site influenced waters condition quality and the organic materials in sediment.
Studi Kelimpahan Gastropoda di Bagian Timur Perairan Semarang Periode Maret – April 2012 Budi, Dinar Ayu; Suryono, Chrisna Adhi; Ario, Raden
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.745 KB) | DOI: 10.14710/jmr.v2i4.3684

Abstract

Coastal environment in Eastern part of Semarang is an area that changed in ecological conditions caused by the influence of a variety of human activities such as ports activity, industries, fishing activity, and common people’s residence which causes a decrease in water quality that directly affect the presence, and abundance of gastropods in that area. Purpose of this study is to find out the abundance of gastropods in coastal water environment, Eastern part of Semarang, during periods March to April 2012. This study using the descriptive method, sample survey method, and method used in determining station is purposive sampling method. Sample collected are including water quality measurement, sediments, and samples of biota that is gastropods. Sample of gastropods taken by using the dredge, by width 138cm, height 137cm, and net 500 cm long. Samples of gastropods founded then identified in Marine Biological Laboratory, Marine Faculty, Diponegoro University. Water quality measurement including physical factors, are : depth, water brightness, temperature, substrate, and chemical factors, they are : salinity, acidity (pH), dissolved oxygen (DO), and organic content. There are 14 spesies founded, they are : Architectonica perdix, Busycon canaliculatum, Conus tenuistriatus, Engina zonalis, Fasciolaria salma, Murex trapa, Nassarius javanus, N. pullus, Natica lineata, N. tigrina, Pseudoeptunea varicose, Terebralia palustris, Trigonostoma scalariformis, and Turricula javana. Highest abundance is on station II (183,67), and the lowest abundance is station VII (2,67).
Korelasi antara Kelimpahan Kepiting dengan Kerapatan Mangrove di Desa Bedono Kecamatan Sayung Kabupaten Demak Jawa Tengah Ristiyanto, Ardi; Djunaedi, Ali; Suryono, Chrisna Adhi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (505.617 KB) | DOI: 10.14710/jmr.v8i3.24573

Abstract

ABSTRAK : Hutan mangrove memiliki fungsi ekologis sebagai tempat pemijahan (spawning ground), asuhan (nursery ground), dan mencari makan (feeding ground). Tujuan dalam penelitian ini yaitu untuk mengetahui korelasi antara kelimpahan kepiting dengan kerapatan mangrove di ekosistem mangrove Desa Bedono, Kecamatan Sayung, Kabupaten Demak. Penelitian ini bersifat deskriptif eksploratif dengan pengambilan sampel menggunakan metode kualitatif dan penentuan lokasi sampling menggunakan purposive sampling method. Lokasi penelitian dibagi menjadi tiga stasiun yaitu A (Mangrove dekat muara), B (Tracking mangrove), C (Mangrove dekat Tambak). Sampel diambil dari plot sampling 5 m x 5 m dengan tiga kali pengulangan dan tiga waktu pengulangan di setiap stasiunnya. Hasil penelitian ini ditemukan 7 jenis kepiting yang termasuk ke dalam 4 famili, diantaranya adalah Ocypodidae (Uca vocans dan Uca coarctata), Grapsidae (Metoporgapsus latifrons dan Episesarma lafondi), Varunidae (Metaplax elegans dan Pseudograpsus albus) dan Sesarmidae (Parasesarma rutilimanum). Korelasi antara kelimpahan kepiting dengan kerapatan mangrove menunjukkan bahwa semakin tinggi nilai kerapatan mangrove maka semakin tinggi juga nilai kelimpahan kepiting. Nilai kelimpahan kepiting tertinggi terdapat di stasiun A (27633 ind/ha) dan kelimpahan terendah terdapat pada stasiun B (3833 ind/ha). ABSTRACT : Mangrove forests have ecological functions as a spawning ground, nursery ground, and feeding ground. The purpose of this study is to determine the correlation of an abundance of crabs with the density of mangroves in the mangrove ecosystems of Bedono Village, Sayung District, Demak Regency. This research was descriptive explorative with sampling using qualitative methods and determining sampling locations using a purposive sampling method. The research location is divided into three stations, namely A (Mangrove near the estuary), B (Tracking mangrove), C (Mangrove near the Pond). Samples were taken from a sampling plot of 5 m x 5 m with three repetitions and three repetitions of each station. The results of this study found 7 types of crabs belonging to 4 families, including Ocypodidae (Uca vocans and Uca coarctata), Grapsidae (Metoporgapsus latifrons and Episesarma lafondi), Varunidae (Metaplax elegans and Pseudograpsus albus) and Sesarmidae (Parasesarma rutilimanum). The correlation of the abundance of crabs with mangrove density shows that the higher the value of mangrove density, the higher the abundance of crabs. The highest value of crab abundance was found in station A (27633 ind/ha) and the lowest abundance was found at station B (3833 ind/ha).
Korelasi Kandungan Logam Berat Pb dalam Air terhadap Daun Lamun Thalassia hemprichii (Ehrenberg) Ascherson 1871 (Magnoliopsida: Hydrocharitaceae) di Perairan Pulau Panjang dan Pantai Bandengan, Jepara Istiqomahani, Dara Ramadhania; Suryono, Chrisna Adhi; Pramesti, Rini
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.364 KB) | DOI: 10.14710/jmr.v9i2.27441

Abstract

 ABSTRAK : Kegiatan manusia meliputi pertanian, industri, mebel, pariwisata dan kegiatan nelayan di Pulau Panjang dan Pantai Bandengan diduga menjadi sumber logam berat Pb. Tujuan penelitian ini adalah mengetahui nilai konsentrasi dan hubungan kandungan logam berat Pb pada Air dan daun lamun Thalassia hemprichii di Pulau Panjang dan Pantai Bandengan, Jepara Materi yang digunakan dalam penelitian ini adalah sampel air kedua perairan dan daun lamun T. hemprichi. Hasil penelitian menunjukan. Konsentrasi Pb dalam air laut yang ada di kedua daerah tersebut rata rata antara 0,034–0,054 ppm sedangkan dalam daun lamun 0,509-1,334 ppm.  Korelasi antara konsentrasi logam berat Pb dalam air dan daun lamun T. hemprichii menunjukan tingginya keeratan hubungan atara dua faktor tersebut. Bila konsentrasi Pb dalam air laut meningkat akan diikuti dengan peningkatan konsentrasi Pb dalam daun lamun dengan sangat nyata.ABSTACK : Human activities include agriculture, industry, tourism and fishing activities in Panjang Island an Bandengan shores of the supposedly heavy metal Pb (lead). The purpose of this researches to compare the heavy metal content of Pb (lead) in water and leaves Thalassia hemprichii in Panjang Island an Bandengan shore, based on existing quality. The material used in this researched were the samples of leaves of T. hemprichii and water of both. The result showed that the concentration of Pb in marine waters on two regions between 0,034–0,054 ppm and concentration in seagrass leaves between 0,509-1,334 ppm. The result of the correlation between the concentration of heavy metals Pb in water and leaves of seagrass showed a high close relationship between the two factors. If the Pb concentration in seawater rises, it will be followed by an increase in Pb concentration in leaves of seagrass very significantly.
Logam Berat (Pb) pada Lamun Enhalus acoroides (Linnaeus F.) Royle 1839 (Magnoliopsida: Hydrocharitaceae) di Pulau Panjang dan Pulau Lima Teluk Banten Falah, Faishal; Suryono, Chrisna Adhi; Riniatsih, Ita
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.025 KB) | DOI: 10.14710/jmr.v9i2.27440

Abstract

ABSTRAK: Lamun adalah tumbuhan berbunga (Angiospermae) yang berbiji satu (monokotil) dan mempunyai akar rimpang, daun, bunga, buah, dan tumbuh di lingkungan laut. Enhalus acoroides merupakan jenis lamun yang banyak tumbuh di sekitar perairan Pulau Panjang dan Pulau Lima, Teluk Banten. Kegiatan manusia meliputi budidaya, industri, lalu lintas kapal industri, pebuhan, dan kegiatan nelayan yang berdekatan dengan Pulau Panjang dan Pulau lima diduga menjadi sumber logam berat Timbal (Pb). Penelitian ini bertujuan untuk menganalisis kandungan dan tingkat pencemaran logam berat Pb pada air, sedimen, dan Lamun Enhalus acoroides (akar, batang, dan daun) di perairan Pulau Panjang dan Pulau Lima, Teluk banten. Penelitian ini menggunakan metode deskriptif dan metode penentuan lokasi menggunakan metode purposive sampling. Logam berat Pb dalam sampel air, sedimen dan lamun Enhalus acoroides dianalisis di Laboratorium SUA Analisis Tanah Institut Pertanian Bogor menggunakan metode AAS (AtomicAbsorption Spectrophotometry). Hasil penelitian menunjukkan bahwa perairan Pulau Panjang dan Pulau lima suddah terkontaminasi logam Pb. Sedangkan pada sedimen dan Lamun Enhalus acoroides sudah terkontaminasi logam Pb. Meskipun demikian variasi faktor lingkungan seperti suhu, salinitas, pH, kecepatan arus dan jenis sedimen juga memberikan kontribusi yang cukup penting terhadap kandungan logam Pb.  ABSTRACT: Seagrass is a flowering plant (Angiospermae) which has one seed (monocotyl) and has rhizome roots, leaves, flowers, fruit, and grows in the marine environment. Enhalus acoroides is a type of seagrass that grows around the waters of Pulau Panjang and Pulau Lima, Banten Bay. Human activities including aquaculture, industry, industrial ship traffic, Port, and fishing activities adjacent to Pulau Panjang and Pulau Lima are thought to be a source of heavy metal Lead (Pb). This study aims to analyze the content and level of Pb heavy metal pollution in water, sediments, and Seagrass Enhalus acoroides (roots, stems, and leaves) in the waters of Pulau Panjang and Pulau Lima, Teluk Banten. This research uses descriptive method and location determination method using purposive sampling method. Pb heavy metals in water, sediment and seagrass samples from Enhalus acoroides were analyzed at the SUA Soil Analysis Laboratory Bogor Agricultural University using the AAS (AtomicAbsorption Spectrophotometry) method. The results showed that the waters of Pulau Panjang and Pulau Lima were contaminated with Pb metal. While the sediment and Seagrass Enhalus acoroides have been contaminated with Pb metal. Even so variations in environmental factors such as temperature, salinity, pH, flow velocity and type of sediment also contribute quite significantly to the Pb metal content.
Mikroplastik pada Sedimen di Pantai Kartini Kabupaten Jepara Jawa Tengah Azizah, Pramita; Ridlo, Ali; Suryono, Chrisna Adhi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.192 KB) | DOI: 10.14710/jmr.v9i3.28197

Abstract

Microplastic is plastic waste that is less than 5 mm in size and can accumulate in sediments. This study aims to determine the contaminant of microplastics in coastal Kartini sediments, Jepara. Sediment samples were taken in November 2019 with a purposive sampling method using sediment cores at 3 different stations namely the TPI River Estuary (Fish Auction Place), the LPWP River Estuary (Coastal Development Institution), and the BBPBAP River Estuary (Central Brackish Aquaculture Fisheries Center ), at 3 points inside it is 20 cm, 40 cm and 60 cm. The sample is dried and then separated based on grain size using a sieve shaker. Sediments trapped in 0.3 mm sieve size, taken as much as 50 g then immersed in 200 mL 30% H2O2 for 24 hours and then dried. Microplastic is separated from the sediment with 200 ml NaCl ρ = 1.2 g / cm-3, and the remainder the residue is immersed in 200 ml of ZnCl ρ = 1.5 g / cm-3. The number, shape, color and size of the microplastic were observed using the SZ 61 olympus microscope with a magnification of 10 x 10. The results showed that the most microplastics were found in the estuary of the TPI River (Fish Auction Place), namely 643 particles, followed at the estuary of the BBPBAP River (Center for Aquaculture Fisheries) Brackish) 499 particles and at least at station 2 there are 438 particles. The microplastic form is dominated by 506 fragments of particles, while the least microplastic is a pellet that is 295 particles. The microplastic color is dominated by brown as many as 466 particles, while the microplastic color is the least pink and clear as much as 2 particles / 50 g of dry sediment. The largest microplastic size is 208.29 µm and the smallest size is 6.21 µm. ABSTRAK: Mikroplastik adalah sampah plastik yang berukuran kurang dari 5 mm dan dapat terakumulasi pada sedimen. Penelitian ini bertujuan untuk mengetahui kandungan mikroplastik di sedimen pantai Kartini, Jepara. Sampel sedimen diambil pada bulan November 2019 dengan metode purpossive sampling menggunakan sediment core pada 3 stasiun yang berbeda yaitu Muara Sungai TPI(Tempat Pelelangan Ikan), Muara Sungai LPWP(Lembaga Pengembangan Wilayah Pantai), dan Muara Sungai BBPBAP(Balai Besar Perikanan Budidaya Air Payau), pada 3 titik kedalamanyaitu 20 cm, 40 cm, dan 60 cm. Sampel di keringkan kemudian dipisahkan berdasarkan ukuran butir menggunakan sieve shaker. Sedimen yang terjebak dalam sieve ukuran 0,3 mm, diambil sebanyak 50 g kemudian direndam dalam 200 mL H2O2 30% selama 24 jam lalu dikeringkan.Mikroplastik dipisahkan dari sedimen dengan  200 ml NaCl ρ = 1,2 g/cm-3, dan sisa residu nya direndam dalam 200 ml ZnCl ρ =1,5 g/cm-3. Jumlah, bentuk, warna dan ukuran mikroplastik diamati menggunakan mikroskop olympus SZ 61 dengan perbesaran 10 x 10. Hasil penelitian menunjukkan mikroplastik terbanyak ditemukan di Muara Sungai TPI (Tempat Pelelangan Ikan) yaitu 643 partikel/50 g sedimen, diikuti pada Muara Sungai BBPBAP (Balai Besar Perikanan Budidaya Air Payau) 499 partikel/50 g sedimen dan paling sedikit pada stasiun 2 berjumlah 438 partikel/50 g sedimen. Bentuk mikroplastik di dominasi fragmen 506 partikel/50 g sedimen, sedangkan mikroplastik yang paling sedikit adalah pelet yaitu 295 partikel/50 g sedimen. Warna mikroplastik di dominasi warna coklat sebanyak 466 partikel/50 g sedimen, sedangkan warna mikroplastik yang paling sedikit merah muda dan bening sebanyak 2 partikel/50 g sedimen kering. Ukuran mikroplastik terbesar adalah 208,29 µm dan ukuran terkecil adalah 6,21 µm.
Hubungan antara Jenis Sedimen Pasir dan Kandungan Bahan Organik di Pantai Kartini, Jepara, Jawa Tengah Yudha, Gadisza Asmara; Suryono, Chrisna Adhi; Santoso, Adi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmr.v9i4.29020

Abstract

Pantai Kartini merupakan salah satu kawasan wisata di Kabupaten Jepara. Berbagai aktifitas masyarakat serta infrastruktur perairan menjadi kebutuhan yang sangat krusial dengan letak Pantai Kartini. Adanya aktivitas dan bangunan dapat menyebabkan perubahan sebaran ukuran butir dan kandungan bahan organik. Penelitian ini memiliki tujuan untuk mengetahui jenis dan klasifikasi sedimen serta jumlah kandungan bahan organik yang terdapat dalam sedimen di Pantai Kartini, Jepara. Pengambilan data pada penelitian ini yaitu pengambilan data primer yang berupa sampel sedimen dengan menggunakan sediment core. Dilanjutkan dengan analisis sampel sedimen dan analisis kandungan bahan organik. Hasil penelitian menunjukkan bahwa di perairan Pantai Kartini, Jepara memiliki jenis sedimen pasir (sand) dimana nilai ukuran butir tersebut berkisar dari 81-96%, yang mana pada Stasiun 1 rata-rata sebesar 91,6-96%, Stasiun 2 rata-rata sebesar 93,5-96,9%, dan Stasiun 3 rata-rata sebesar 81,4-92,9%. Sedangkan, Kandungan Bahan Organik yang terdapat di perairan tersebut memiliki konsentrasi berkisar dari 5-14% yang termasuk dalam kriteria rendah-sedang, dimana pada Stasiun 1 rata-rata sebesar 10,9-13,3%, Stasiun 2 rata-rata sebesar 5,92-10,18%, dan Stasiun 3 rata-rata sebesar 7,7-14%. Kartini Beach is one of the tourist areas in Jepara Regency. Various community activities and water infrastructure have become crucial needs in Kartini Beach. The existence of activities and buildings can cause changes in the distribution of grain size and content of organic matter. This study aims to determine the type and classification of sediments and the amount of organic matter content contained in sediments in Kartini Beach, Jepara. Data collection in this study is primary data collection in the form of sediment samples using sediment cores. Followed by analysis of sediment samples and analysis of organic matter content. The results showed that in Kartini Coast waters, Jepara had a sand sediment type where the grain size values ranged from 81-96%, which at Station 1 averaged 91,6-96%, Station 2 on average amounted to 93,5-96,9%, and Station 3 averaged 81,4-92,9%. Meanwhile, the content of organic matter contained in these waters has concentrations ranging from 5-14% which are included in the criteria of low-moderate, where at Station 1 an average of 10,9-13,3%, Station 2 an average of 5,92-10,18%, and Station 3 averaging 7,7-14%. 
Perubahan Garis Pantai Menggunakan Citra Satelit Landsat di Pesisir Kecamatan Sayung, Kabupaten Demak Ramadhani, Yualita Prasida; Praktikto, Ibnu; Suryono, Chrisna Adhi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmr.v10i2.30468

Abstract

Wilayah pesisir Kabupaten Demak yang terletak di bagian utara Pantai Jawa merupakan yang rentan terhadap perubahan garis pantai. Perubahan yang serius ini perlu dilakukan pemantauan terus menurus. Penelitian ini dilakukan untuk memperoleh informasi tentang perubahan garis pantai yang disebabkan oleh tingkat abrasi dan akresi yang terjadi di Kecamatan Sayung, Kabupaten Demak pada tahun 2013-2020. Metode penelitian ini dengan menggunakan metode deskriptif studi kasus dengan menggunakan teknologi penginderaan jauh. Metode penginderaan jauh yang digunakan untuk mengetahui perubahan garis pantai adalah dengan metode overlay (tumpang susun) garis pantai pada tahun yang berbeda dan Digital Shoreline Analysis System (DSAS). Hasil penelitian menunjukkan garis pantai Kecamatan Sayung dengan panjang pantai 20.953,59 m, telah mengalami abrasi pantai seluas 141,49 ha dan akresi sebesar 36,61 ha. Sehingga persentase tingkat abrasi sebesar 82% dan akresi sebesar 18%. Secara keseluruhan, rata-rata laju abrasi yang terjadi dalam kurun waktu periode 2013-2020 adalah sebesar 13,08 meter/tahun dan laju akresi sebesar 8,22 meter/tahun. Perubahan garis pantai yang terjadi dari tahun 2013 hingga tahun 2020 lebih banyak mengalami abrasi jika dibandingkan dengan akresi. The coastal area of Demak Regency, which is located on the northern coast of Java, is  vulnerable to shoreline changes. This serious change is necessary for ongoing monitoring. This research was conducted to obtain information about coastline change in coastal Sayung District of Demak Regency in 2013 until 2020. This research method is done by using descriptive method of case study by using remote sensing technology. The remote sensing method used to determine shoreline changes is overlay method and Digital Shoreline Analysis System (DSAS) in different years. Based on the research results can be seen the rate of change of coastline length of 20.953,59 m, shoreline changes that occur in the form of abrasion of 141,49 ha and changes in the form of accretion of 36,61 ha. So that the proportion of the abrasion rate is 82% and the accretion is 18%.Overall, the average rate of abrasion that occurred in the 2013-2020 period was 13.08 meters / year and the accretion rate was 8.22 meters / year. Coastlines that occur from 2013 to 2020 more experienced abrasion process when compared to the accretion process.
Co-Authors Abdul Rohman Zaky Abdul Rohman Zaky Adi Santoso Adi Santoso Agus Indardjo Agus Indarjo Agus Sabdono Ajeng Rusmaharani Al Bar Rauuf Mulki Aldo Rizqi Arinianzah Alfi Satriadi Alghazeer, Rabia Ali Djunaedi Ali Djunaedi Ali Djunaedi Ali Ridlo Almira Nadia Kusuma Alvi Akhmad Arifin Amri, Fahrizal Dwi Anggada, Rama Annisa Rhamadany Apriliani, Seka Indah Ardi Ristiyanto Ardian Nurrasyid Chamidy Ardiati Widya Wandira Arief, Atthariq Fachri Ramadhan Arifin, Alvi Akhmad Arifin, Muhammad Yusuf Aris Ismanto Asnita Fraselina Samosir Azhar, Nuril Azizah, Pramita B Tyas Susanti Bambang Yulianto Baskoro Rochaddi Baskoro Rochaddi Bayu Khrisna Yudhatama Bima Agung Saputra Chamidy, Ardian Nurrasyid Dara Ramadhania Istiqomahani Delianis Pringgenies Delianis Pringgenis Denny Hendrik Nainggolan Diah Ayu Isti Anti Diah Permata Wijayanti Dian Kharisma Dinar Ayu Budi Dony Bayu Putra Pamungkas Dyah Pitaloka Novitasari Ega Widyatama Rachmawan Endang Sri Susilo Endang Supriyantini Ervia Yudiati Erwin Adriono Fahrizal Dwi Amri Faishal Falah Falah, Faishal Farahdita, Wanda Laras Fitriyani, Naily Gadisza Asmara Yudha Ghea Ken Joandani Joandani Hadi Endrawati Ibnu Praktikto Ibnu Praktikto Ibnu Pratikto Ibnu Pratikto Irwani Irwani Irwani Irwani Irwani Irwani Irwani Irwani Irwani Irwani Irwani Irwani Istiqomahani, Dara Ramadhania Ita Riniatsih Ita Widowati Joandani, Ghea Ken Joandani Johannes Riter Jusup Suprijanto Jusup Suprijanto Khusnul Khotimah Kiuk, Yosni Krisna Dwi Nugroho Krisna Dwi Nugroho Kusuma, Almira Nadia Mahda Veronika Maman Somantri Millenia Dinda Alkautsar Mimie Saputri, Mimie Muhamad Irfan Cahyo Putro Muhammad Arif Romadhi Muhammad Yusuf Arifin Muhammad Zainuddin Naily Fitriyani Naitkakin, Egidius Nathanael Ganang Anindityo Wibowo Nirwani Soenardjo Nor, Muhammad Muallifin Novitasari, Dyah Pitaloka Nur Taufiq-Spj Pangga, R. M. Dio Dwi Pitaloka, Maria Dyah Ayu Pramita Azizah Pramudya, Herning Putro, Muhamad Irfan Cahyo Rachmawan, Ega Widyatama Raden Ario Rafdi Abdillah Harjuna Rafif Rizki Zaidan Ramadhani, Yualita Prasida Rendha Hendyanto Retno Hartati Rhamadany, Annisa Ria Azizah Ria Azizah Tri Nuraini Rini Pramesti Ristiyanto, Ardi Riter, Johannes Rizky Erdana Rudhi Pribadi Ruri Jupriyati Samosir, Asnita Fraselina Saputra, Bima Agung Sarifah, Almunatus Sarwati, Dhea Erika Satriawan, Erian Febri Seka Indah Apriliani Septiani, Mita Eka Setyani, Wilis Ari Setyo Adi Prasojo Setyo Adi Prasojo Sitanggang, Wanri Soares, Daniel Candido Da Costa Sri Redjeki Sri Redjeki Subagiyo Subagiyo Sugeng Widada Sugiyanto, Nenden Rose Sunaryo Sunaryo Suryono Suryono Teguh Sugiarto The Michael Febrian Wijaya Tunas Pulung Pramudya Vicencius Hendra Adhari Wanda Laras Farahdita Wandira, Ardiati Widya Warsito Atmodjo Wibowo, Nathanael Ganang Anindityo Widianingsih Widianingsih Wilis Ari Setyani Wilis Ari Setyati Yualita Prasida Ramadhani Yudha, Gadisza Asmara Yudhatama, Bayu Khrisna