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Journal of Marine Research
Published by Universitas Diponegoro
ISSN : -     EISSN : 24077690     DOI : 10.14710/jmr.v9i4.28340
Core Subject : Science,
Earth & Planetary Sciences
The Journal of Tropical Fisheries Management is managed by the Department of Water Resource Management, Faculty of Fisheries and Marine Sciences, Bogor Agricultural University aims to publish the results of basic, applied research in the scope of fisheries resources, fish stock studies, and population dynamics, fish biodiversity, fisheries technology, industrialization and fish trade, fisheries management, and fisheries development policies in the tropics, especially Indonesia. The scope of the area includes: Marine Fisheries Coastal Fisheries Inland Fisheries The focus and scope of this publication are expected to contribute thoughts for the government to strengthen the science of fisheries management
Arjuna Subject : -
Articles 687 Documents
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Program Studi Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Dipenogoro Kharisma, Dian; Suryono, Chrisna Adhi; Nuraini, Ria Azizah Tri
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.016 KB) | DOI: 10.14710/jmr.v1i2.2040

Abstract

Human activities such as setlement, harbor, industry and fishing and bivalve catching in the shoreline directly or indirectly will force the changing of waters environment quality, for example the changing of physical and chemical quality of waters. Ecological study on benthic such as bivalve has an important rule because its high life tolerances could describe the environmental changing of the waters. In the dynamic environment, biology analysis, in particular biota benthic community analysis, could give clear description on waters area quality. This research intends to discover point of ecology bivalvia and also examined the correlation of waters quality towards bivalve ecological value. The research was held on March 3, March 24 and April 18, 2012 in 8 stations in Eastern Semarang waters. The material research was bivalve. The research indicates that 10 species from 5 families which are Anadara granosa, Anadara gubernaculum, Anadara inaequivalvis, Anadara pilula, Placuna placenta, Pharella javanica, Siliqua winteriana, Mactra violacea, Marcia hiantina and the highest affluence as 1274,4 Ind/Ha² ( station III), Paphia undulate. Average Diversity index (H’) of bivalve was around 0,3-1,2. Average Uniformity Index (e) was around 0,4-0,9. Bivalve distribution pattern in the research location in general indicated grouped distribution (Clumped). The result of cluster analysis divided 3 class areashile the lowest was found in class I. Double linier regression indicated examined waters parameter which were temperature, salinity, depth, organic content and silt depend on the affluence and diversity of bivalve.
AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL RUMPUT LAUT COKLAT (Turbinaria conoides dan Sargassum cristaefolium) YANG DIKOLEKSI DARI PANTAI RANCABUAYA GARUT JAWA BARAT Rohimat, Rohimat; Widowati, Ita; Trianto, Agus
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (650.911 KB) | DOI: 10.14710/jmr.v3i3.6002

Abstract

Rumput laut coklat memiliki potensi sebagai antioksidan alami.  Penelitian ini menggunakan Turbinaria conoides dan Sargassum cristaefolium yang diekstraksi menggunakan metanol untuk mengetahui golongan pigmen dan aktivtias peredaman radikal bebas DPPH (1,1-diphenyl-2- picrylhidrazyl).  Golongan pigmen dianalisis menggunakan spektrofotometer pada panjang gelombang 200-800 nm,  aktivitas peredaman radikal bebas DPPH mengikuti metode Blois (1958) yang digunakan oleh Vijayabaskar dan Shiyamala (2012). Hasil analisis spektrofotometer ekstrak T. conoides dan S. cristaefolium  diperoleh panjang gelombang puncak 416 dan 411 nm yang diidentifikasi sebagai karotenoid, 618 dan 619 nm adalah phycocyanin, serta 665 dan 661 nm yang diidentifikasi sebagai klorofil.  Ekstrak T. conoides menunjukkan aktivitas antioksidan tertinggi dengan nilai  IC50 = 220 ppm dan S. cristaefolium memiliki nilai IC50 = 1603 ppm namun keduanya masih tergolong agen antioksidan lemah (IC50 > 200 ppm).
Pemetaan Karakteristik Fisika-Kimia Perairan Dan Pemodelan Arus Di Kabupaten Sidoarjo Riter, Johannes; Suryono, Chrisna Adhi; Pratikto, Ibnu
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (886.124 KB) | DOI: 10.14710/jmr.v7i3.25914

Abstract

ABSTRAK : Karakteristik suatu perairan dapat diketahui baik melalui sifat fisika maupun sifat kimia dari massa airnya seperti temperatur, salinitas, turbiditas, oksigen terlarut, dan lain-lain. Penelitian ini dilakukan untuk mengetahui kondisi pola sebaran karakteristik fisika dan kimia perairan Sidoarjo dan muara sungai Porong dengan pemetaan dan model hidrodinamika 2D horizontal. Penelitian ini dilakukan pada tanggal 9 Agustus - 1 September 2015 di Perairan Sidoarjo, Jawa Timur. Metode yang digunakan dalam penelitian ini adalah purposive sampling method. Pengumpulan data dilakukan secara in situ dengan cara observasi langsung di  lapangan. Data yang dikumpulkan yaitu lokasi, data parameter perairan yaitu suhu, pH, salinitas, kecerahan, turbiditas, DO, arus dan kedalaman. Data yang telah didapat dianalisa menggunakan interpolasi dengan metode Spline serta pembangunan model hidrodinamika (pola arus) perairan Sidoarjo. Hasil penelitian menunjukkan bahwa perairan Sidoarjo memiliki karakteristik fisika dan kimia yang cukup beragam, terutama di daerah muara sungai Porong. Pengukuran parameter tersebut dilakukan pada kondisi pasang dan pasang menuju surut. Hasil pengukuran data di lapangan memiliki nilai suhu rata-rata adalah 28.8°C, kecepatan arus rata-rata 0.19 m/d, nilai pH adalah 8.25, nilai salinitas rata-rata adalah 32.5 ‰, nilai kecerahan rata-rata adalah 1.1 m, nilai DO adalah 7.2 mg/L, nilai turbiditas rata-rata adalah 14.26 NTU,  nilai kedalaman pada rentang 1.15 – 27.5 m. ABSTRACT : Characteristics of waters can be seen through the physical and chemical properties of the water masses such as temperature, salinity, turbidity, dissolved oxygen, and others. This study was conducted to determine the condition of the distribution pattern of physical and chemical characteristics of the waters of Sidoarjo with mapping and horizontal 2D hydrodynamic models. The research was conducted on 9 August to 1 September 2015 in Sidoarjo, East Java. The method used in this research is purposive sampling method. The data collection is done by in situ which means of direct observation in the field. Data collected ie location, water parameter data such as temperature, pH, salinity, transparency, turbidity, DO, flow and depth. Data have been obtained are analyzed using Spline interpolation method and the hydrodynamic models (flow pattern) of Sidoarjo waters. The results showed that the waters of Sidoarjo has the physical and chemical characteristics are quite varied, especially in the area of Porong river. The parameter measurements carried out on tidal conditions and the tide towards downs. The results of the measurement data in the field has the value of the average temperature was 28.8 ° C, current speed average of 0:19 m / d, the pH value is 8.25, the value of average salinity is 32.5 ‰, the value of average brightness is 1.1 m, the value of DO is 7.2 mg / L, the average value of turbidity is 14.26 NTU and the average value of depth is from 1.15 to 27.5 m.
Kajian Kerentanan Tsunami Menggunakan Metode Sistem Informasi Geografi di Kabupaten Bantul, Daerah Istimewa Yogyakarta Mardiyanto, Bangun; Rochaddi, Baskoro; Helmi, Muhammad
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (789.331 KB) | DOI: 10.14710/jmr.v2i1.2071

Abstract

Indonesian archipelago directly opposite to the subduction zone between the Indo-Australian plate with the Eurasian plate. Based on plate movements, earthquakes are common in the Indian Ocean. As a result, the southern part of Java Island is very prone to earthquakes. If earthquakes occur beneath the sea and vertical fracture occurs, it will cause a tsunami. The purpose of this research is to create a map of vulnerability to tsunamis in the region peisir Bantul, Yogyakarta using Geographic Information Systems technology (GIS) and identify any areas that are highly vulnerable The research was conducted in March 2012 until August 2012. The method of analysis in this research is qualitative and quantitative. The methodology used in this study include data gathering both primary and secondary data include satellite imagery, DEM, scale 1:25,000 Topographic maps, demographic data, seismic positioning data, bathymetry data, and earthquake data fault. Processing parameters data that represent each variable vulnerability, ie environmental vulnerability, physical, social and economic was weight and then given a vulnerability score of each variable, vulnerability areas data processing to tsunami to get the vulnerability of the region to the tsunami map and field surveys. Villages in coastal areas that have a high level of tsunami vulnerability is Poncosari Village, Gadingsari Village, Gadingharjo Village, Srigading Village, Tirtoharo Village, Donotirto Village and Parangtritis village. Land use in Bantul related to human activities that weredamage threatened by the tsunami are residential, gardens, fields, ponds, moor and forest.
Kajian Morfometri Gastropoda Di Perairan Pantai Desa Tapak Kecamatan Tugu Kota Semarang Putra, Yopie Anggara; Zainuri, Muhammad; Endrawati, Hadi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1441.657 KB) | DOI: 10.14710/jmr.v3i4.11416

Abstract

Perairan pantai desa Tapak merupakan salah satu daerah yang telah mengalami degradasi lingkungan akibat adanya perubahan alih fungsi lahan yaitu dari kawasan hutan mangrove menjadi daerah pertambakan dan perindustrian. Degradasi lingkungan ini menyebabkan terjadinya penurunan kualitas lingkungan sehingga akan mempengaruhi populasi gastropoda, dimana menggunakan daerah tersebut sebagai habitatnya. Penelitian ini bertujuan untuk mengetahui morfometri, hubungan panjang dan berat, serta faktor kondisi gastropoda yang ada di Perairan Pantai Desa Tapak, Kecamatan Tugu, Kota Semarang. Penelitian ini dilaksanakan di wilayah perairan pantai desa Tapak, Kec. Tugu, Kota Semarang yang dilaksanakan pada bulan Oktober sampai November tahun 2013. Sampel gastropoda diambil dengan menggunakan transek ukuran 1x1 meter, selama 4 kali pengambilan sampel dengan selang waktu dua minggu sekali. Penelitian ini dilakukan secara deskriptif eksploratif dengan pendekatan metode Sample Survey Method. Penelitian ini dilakukan pada 3 stasiun yaitu stasiun 1 yang merupakan daerah bersubstrat pasir, stasiun 2 yaitu merupakan daerah dengan pohon mangrove, dan stasiun 3 merupakan daerah dengan substrat berlumpur, dengan metode pertimbangan (purposive sampling method). Data kualitas perairan terdiri dari suhu, salinitas, DO, pH dan substrat sedimen, diambil secara bersamaan dengan sampling gastropoda. Data yang diperoleh dianalisis untuk diketahui jenis, morfologi, panjang, lebar, dan beratnya. Hasil penelitian menunjukan bahwa gastropoda yang paling banyak ditemukan adalah jenis C. cingulata sebesar 836 ekor dan C. coralium sebesar 244 ekor. Kelas ukuran panjang cangkang dari C. cingulata berada di kisaran diantara 15,1 - 35,0 mm dan C. coralium berada di kisaran diantara 20,1 – 25,0 mm. Kelas ukuran lebar cangkang dari C. cingulata berada di kisaran diantara 5,6 – 7,0 mm dan C. coralium berada di kisaran diantara 7,1 – 8,5 mm.  Kelas ukuran lebar operculum dari C. cingulata berada di kisaran diantara 5,1 – 6,0 mm dan C. coralium berada di kisaran diantara 4,1 – 5,0 mm. Hubungan panjang dan berat gastropoda yang diperoleh bersifat allometrik negatif. Nilai faktor kondisi gastropoda jenis C. cingulata berkisar 1,446 – 2,224 dan pada jenis C. coralium berkisar antara 0,981 – 1,984
Pengaruh Penggunaan Divine Cigarette terhadap Laju Pertumbuhan Udang Windu (Penaeus monodon) Wiratmo, Puji; Sunaryo, Sunaryo; Yulianto, Bambang
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.209 KB) | DOI: 10.14710/jmr.v2i3.3138

Abstract

Tiger Shrimp (P. monodon) is an important export trade commoditiy to the Indonesian economy. Optimization of tiger shrimp aquaculture products need to pay attention to environmental factors. The high level of activitis around the coastal at this time led to rise water pollutants, especially in the aquaculture area (Purba, 2012). Increased pollutants such as mercury can cause disruption of Tiger Shrimp survival The Divine Cigarette can catch, control and decay free radicals. Divine Cigarette is formulated material scavenger that is a composite of amino acids and EDTA which can capture, control and shed free radicals mercury with nanobiologi principle. The purpose of this study was to determine the effect of Divine Cigarette to the growth of Tiger Shrimp (P. monodon). This study used a completely randomized design (CRD) with 2 treatments and each were replicated 3 times. Treatment being tested was the addition of Divine Cigarette (A) and without the addition of Divine Cigarette (B) on the feed tiger shrimp (P. monodon). Observations were made on the rate of growth Tiger Shrimp (P. monodon) and statistical analysis were performed using t-test. Tiger Shrimp growth can be seen from the observation from average weight Tiger Shrimp and SGR supported several other data, ie: FE, FCR, PER and water quality parameters. Results of this study showed that treatment delivery Divine Cigarette effect on mean weight at treatment A (7,15 ± 0,53 g) higher than treatment B (6,19 ± 0,39 g) in the last week. SGR data suggest that on average in treatment A (3,72 ± 0,05 % per day) was higher than treatment B (3.03 ± 0.11% per day). Treatment with Divine Cigarette significant effect (p<0.01) to the SGR, FE, FCR and PER.
Kecocokan Habitat Bertelur Penyu Sisik Eretmochelys imbricate, Linnaeus, 1766 (Reptilia : Cheloniidae) di Balai Taman Nasional Laut Kepulauan Seribu, Jakarta Rachman, Dodi; Kushartono, Edi Wibowo; Santosa, Gunawan Widi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (965.647 KB) | DOI: 10.14710/jmr.v8i2.25099

Abstract

Penyu Sisik (Eretmochelys imbricata) adalah penyu yang memiliki ciri khas moncong berbentuk paruh, rahang atasnya melengkung ke bawah dan relatif tajam seperti burung kakak tua sehingga sering disebut “Hawksbill turtle”. Penyu jenis ini adalah pemakan terumbu karang yang tidak sehat sehingga terumbu karang menjadi sehat kembali.Tujuan dari penelitian ini adalah Mengetahui lokasi atau hotspot area peneluran penyu di Pulau Peteloran Timur Balai Taman Nasional Laut Kepulauan Seribu dan Mengetahui karakteristik habitat penyu dalam memilih lokasi bersarang dan bertelur. Metode yang digunakan dalam penelitian ini adalah metode Survey Deskriptif. Pengumpulan data dilakukan dengan cara observasi langsung di lapangan meliputi pengukuran panjang, lebar, dan kemiringan pantai, pengukuran suhu, identifikasi vegetasi pantai, predator dan kelembaban sarang serta pengukuran jenis substrat sarang di laboratorium geologi Universitas Diponegoro. Penentuan stasiun pengamatan menggunakan metode Purposive Random Sampling. Hasil penelitian menunjukkan ditemukannya 2 sarang Penyu Sisik (Eretmochelys imbricata) di bagian sebelah timur pulau dengan total jumlah 390 butir telur. Panjang pantai Pulau Peteloran Timur setiap stasiunnya berkisar 4,80–13,20 m,  lebar pantainya 12–19,60 m. Kemiringan pantai Pulau Peteloran Timur mencapai 0,07–0,23°. Hasil pengukuran suhu berkisar 31–34 °C. Kadar air sedimen berkisar antara 0,002–0,004 %. Ukuran butir pasir Pulau Peteloran Timur didominasi pasir kasar dengan mencapai 48,55%. Vegetasi yang mendominasi adalah Pandan (Pandanus tectorius) selebihnya vegetasi campuran. Predator yang dijumpai di lapangan adalah Biawak (Varanus salvator). Hawksbill turtle (Eretmochelysimbricata) is a turtle that has the characteristics of a half-shaped muzzle, its upper jaw is curved downward sharply and often called the "Hawksbill Turtle". This type of turtle is an unhealthy coral reef eater so that the coral reefs are able to maintain its healthy condition.The purpose of this research is to know the location or hotspot area of turtle nesting in the east peteloran, Seribu Archipelago national park and to know the habitat characteristics of turtle in choosing nesting and laying eggs location. The method used in this research was descriptive survey method. The data collection were done by direct observation in a long-distance field by assessing the width, and coastal slope, temperature measurement, predator and humidity of nest and measurement of nest type in the geological laboratory of Diponegoro University. Determination of the location was determined by purposive random sampling method. The results showed 2 Hawksbill nests (Eretmochelysimbricata) in the eastern part of the island had a total of 390 eggs. The length of the East Peteloran Island beach each station ranged from 4.80 to 13.20 m, the beach width of 12-19.60 m. The eastern coastal slope of East Peteloran Island reached 0.07-0.23°. The temperature measurements ranged from 31-34° C. Sediment air content ranged from 0.002-0.004%. The size of the sand grains of East Peteloran Island was dominated by a sand average of 48.55%. Vegetation that dominates were Pandan (Pandanustectorius) and the others were mixed vegetation. Predator found in the field was monitor Lizards (Varanussalvator).
Uji Toksisitas Ekstrak Kloroform Cangkang dan Duri Landak Laut (Diadema setosum) Terhadap Mortalitas Nauplius Artemia sp Aprilia, Hilda Ayu; Pringgenies, Delianis; Yudiati, Ervia
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.711 KB) | DOI: 10.14710/jmr.v1i1.890

Abstract

Eggshells and spines of sea urchins (Diadema setosum) have toxins that can lead to certain biota surrounding death. Presumably the sea urchin has toxic compounds that can affect the surrounding environment. Because it needed a way to determine the toxic properties of sea urchin. Bioactive compounds contained in a previous study showing shells and spines of certain species of sea urchin pigment is coated by a black liquid that is stable. This fluid can be used as a mesh and skin coloring. It can also be used as fertilizer. This study aims to determine the lethal toxicity (LC50-24 h) of the chloroform extract of sea urchin of mortality Nauplius Artemia sp. The method used in this study is the experimental laboratory. Chloroform extract of the eggshells and sea urchin spines were tested using animal toxicity tests Nauplius Artemia sp.The results showed that the lethal toxicity (LC50-24 h) of the Nauplius Artemia sp in the chloroform extract of sea urchin eggshells at 133.58 ppm. As for the chloroform extract of sea urchin spines obtained results for 168.178 ppm. Chloroform extracts of both eggshells and sea urchin spines have potential activity as anti-microbial bio
KONDISI PERAIRAN TERHADAP STRUKTUR KOMUNITAS MAKROZOOBENTHOS DI MUARA SUNGAI KARANGANYAR DAN TAPAK, KECAMATAN TUGU, SEMARANG Retno Astrini, Ananda Dhea; Yusuf, Muh; Santoso, Adi
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (321.916 KB) | DOI: 10.14710/jmr.v3i1.4594

Abstract

The estuary water of Karanganyar and Tapak Rivers receives wastes originated from landbased activities mainly factories discharging to both rivers. The wastes entering to the estuary may result the pollution and, in turn, affecting the water and organisms that live in it including the physical-chemical quality of the water and macrozoobenthic community. The aims of the research were to study the physical-chemical conditions of the water and to study the macrozoobenthos in relation to the contaminants. The method in this study was a case study with the samplings done three times at intervals of 2 weeks. The results of the study and analysis indicated that some chemical properties of the water were above the upper the limits required by the Sea Water Quality Standard. The chemical properties are DO, BOD â‚…, nitrate, phosphate and ammonia. The IMLP were analysis showed that the water was in the middle criteria. The analysis results of the macrozoobenthic diversity index showed that the water was polluted in heavy level. Based on the study there were 15 genera of macrozoobenthic identified in the study area. The entire genera were divided into 4 classes, gastropods (3 genera), Bivalves (4 genera), Polychaets (7 genera) and crustaceans (1 genus). Factors affecting differences in the degree of similarity at each station observed was the difference in water quality conditions thought to be the dominant influence of the mass of river water or the sea water, so the variation of environmental parameters among stations were relatively the same. Substrate texture of the bottom of each station was generally in the form of mud (silt).
Korelasi Total Kandungan Hidrokarbon pada Air dan Sedimen di Perairan Sungai Donan, Segara Anakan Kabupaten Cilacap, Jawa Tengah Amri, Fahrizal Dwi; Suryono, Chrisna Adhi; Setyati, Wilis Ari
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (442.065 KB) | DOI: 10.14710/jmr.v8i4.24700

Abstract

ABSTRAK : Industri besar yang berada di Cilacap salah satunya adalah industri minyak dan gas (MIGAS) PT. Pertamina Refinery Unit IV Cilacap, dimana lokasi ini berada di sekitar perairan Sungai Donan yang menjadi objek penilitian. Aktivitas industri yang berada di dekat perairan dapat menyebabkan perairan mengalami pencemaran. Senyawa hidrokarbon adalah salah satu bahan yang dapat menyebabkan pencemaran pada suatu perairan, senyawa ini merupakan senyawa dominan penyususun minyak bumi. Tujuan penelitian ini adalah mengetahui hubungan kandungan total hidrokarbon pada air dan sedimen di perairan Sungai Donan, Cilacap. Penelitian ini dilaksanakan di perairan Sungai Donan Kabupaten Cilacap pada bulan Februari 2019 - April 2019. Lokasi penelitian dibagi menjadi tiga stasiun yaitu Stasiun A (dekat hulu), B (muara Kali Anget), C (muara Sungai Donan). Sample yang diambil yaitu Air permukaan dan sedimen setiap stasiun dengan tiga kali pengulangan setiap stasiun. Kandungan total hidrokarbon pada air di Sungai Donan yang tertinggi berada di Stasiun C sebesar 2.07 mg/L, kemudian di stasiun A sebesar 0.63 mg/L dan kandungan yang terendah pada Stasiun B sebesar 0.22 mg/L. Kandungan total hidrokarbon pada sedimen berbanding lurus dengan air, kandungan yang tertinggi terdapat pada stasiun C sebesar 574.39 mg/kg, kemudian di stasiun A sebesar 497.11 mg/kg, dan kandungan yang terendah di Stasiun B sebesar 261.40 mg/kg. Kandungan total hidrokarbon pada air di semua stasiun masih di bawah batas ambang baku mutu, sedangkan kandungan pada sedimen di semua stasiun sudah melewati baku mutu yang sudah ditetapkan.ABSTRACT: One of the large oil and gas industry in Cilacap is PT. Pertamina Refinery Unit IV Cilacap, where the location is located around the waters of the Donan River which becomes the object of the research. Industrial activities near the water can cause pollution. Hydrocarbon compounds are one of the ingredients that can cause pollution to water. This compound is the dominant compound of petroleum. The purpose of this research is to know the total content of hydrocarbons in water and sediment in the waters of Donan River, Cilacap. This study was held in the Donan River waters of Cilacap Regency in February 2019-April 2019. The location used in this research is divided into three stations: A station (near the upstream), B (Kali Anget estuary), C (Donan River estuary). The Sample is the surface water and sediment in each station that is repeated three times. The total content of hydrocarbons in water of the highest Donan river was at C station 2.07 mg/L, then at station A of 0.63 mg/L and the lowest content at station B amounted to 0.22 mg/L. Total hydrocarbon content in sediment is directly proportional to water. the highest content found at the C station amounted to 574.39 mg/kg, then at station A of 497.11 mg/kg, and the lowest content at station B amounted to 261.40 mg/kg. The total content of hydrocarbons in water at all stations is still below the threshold of quality standards, while the content on the sediment at all stations has passed the quality standards that is already set.

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