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INDONESIA
Jurnal Kelautan : Indonesian Journal of Marine Science and Technology
Published by Universitas Trunojoyo Madura
ISSN : 19079931     EISSN : 24769991     DOI : -
Core Subject :
This journal encompasses original research articles, review articles, and short communications, including: Marine and fisheries ecology and biology, Marine fisheries, Marine technology, biotechnology, Mariculture, Marine processes and dynamics, Marine conservation, Marine pollution, Marine and coastal resource management, Marine and fisheries processing technology, Salt technology, Marine geology, physical and chemical oceanography.
Arjuna Subject : -
Articles 9 Documents
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Search results for , issue "Vol 10, No 2 (2017)" : 9 Documents clear
Dampak Pemutihan Karang Tahun 2016 Terhadap Ekosistem Terumbu Karang: Studi Kasus Di TWP Gili Matra (Gili Air, Gili Meno dan Gili Trawangan) Provinsi NTB Coral Bleaching Impact in 2016 Towards Coral Reef Ecosystem: Case Studies TWP Gili Matra (Gili Air, Fakhrizal Setiawan; Azhar Muttaqin; S.A. Tarigan; M Muhidin; H Hotmariyah; Abdus Sabil; Jessica Pinkan
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2878

Abstract

ABSTRACTIncreased sea surface temperatures due to global warming that occurred from the early to mid 2016 caused of coral bleaching in several locations in TWP Gili Matra. Observations of coral bleaching  obtained from coral colonies compotition affected by bleaching (50%), white (18%), death (1%) and was not affected (31%). These implications resulting decline in coral cover but not significant (F (1,013) = 0.333, p 0.05) from 23,43% ± 2,61 SE in 2012 to 18,48% ± 4,14 SE in 2016 and a significant decrease (P (58,06) = 3,8e-06) recruitment of coral (coral Juvenil) from 6,66 ind.m-1 ± 1,04 SE in 2012 to 1,41 ind.m-1 ± 0,16 SE in 2016. the other impact is a significant reduction (P(20.84) = 0,00053, p 0,001) the abundance of reef fish from 28.733,26 ind.ha-1 ± 3.757,89 SE in 2012 to 11.431,18 ind.ha-1 ± 702,53 SE in 2016 and a decline in the biomass of reef fish but not significant (F (0,58) = 0,46, P 0.05) from 506,56 kg.ha-1 ± 99,05 SE in 2012 to 438,41 kg.ha-1 ± 45,69 SE in 2016. The decline of coral recruitment resulted in the recovery of the affected areas bleaching becomes slow because of the juvenile new coral mostly dead. The second impact of bleaching is an abundance of fish decrease, indicating that is available only fish big size (adult) and very less of small fishes, including juvenile. Keywords: global warming, coral bleaching, coral cover, reef fishes
PERUBAHAN KERAPATAN VEGETASI MENGGUNAKAN CITRA LANDSAT 8 DI KOTA BATAM BERBASIS WEB Sudra Irawan; Jaheskiel Sirait
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2685

Abstract

Kerapatan vegetasi di perkotaan dan pendesaan sudah sangat sedikit yang dirasakan oleh masyarakat. Informasi mengenai kerapatan vegetasi ini sangat penting diketahui dikarenakan adanya isu pemanasan global. Penelitian ini bertujuan untuk mengetahui dan menghasilkan peta kerapatan vegetasi di Kota Batam berbasis web secara multitemporal waktu tahun 2013 dan 2016 yang meliputi kerapatan vegetasi dengan nilai NDVI (Normalized Difference Vegetation Index) dan luasannya di Kota Batam tahun 2013 dan 2016 serta perubahannya. Proses pengolahan data menggunakan transformasi NDVI (Normalized Difference Vegetation Index) dengan rumus Sturgess yang diklasifikasikan menjadi 5 kelas, yaitu tak bervegetasi, rendah, sedang, rapat, dan sangat rapat. Teknik analisis data yang digunakan adalah metode overlay dan metode analisis secara deskriptif. Hasil dari penelitian akan berupa web yang dijadikan sumber informasi terkait perubahan kerapatan vegetasi di Kota Batam. Perubahan tingkat kerapatan vegetasi dan luasannya di Kota Batam pada tahun 2013 dan 2016 yaitu, tak bervegetasi memiliki perubahan luas area sebesar 7.600,9 hektar dengan persentase 29,3%, rendah memiliki perubahan luas area sebesar 798 hektar dengan persentase 3,1%, sedang memiliki perubahan luas area sebesar 3.999 hektar dengan persentase 15,4%, rapat memiliki perubahan luas area sebesar 11.006,8 hektar dengan persentase 42,5%, dan sangat rapat memiliki perubahan luas area sebesar 2.508,6 hektar dengan persentase 9,7%.
ABSOLUTE GROWTH AND BIOMASS OF Gracilaria sp. THAT CULTIVATED UNDER DIFFERENT DEPTHS Nurlaila Ervina Herliany; Z Zamdial; Rahma Febriyanti
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2986

Abstract

There is significant increasing of seaweeds demand over the years that affect the development of seaweeds farming in Indonesia. Gracilaria sp. is one of the species that cultivated in Indonesia. There are some factors that affect the successful of seaweeds cultivation, one of them is cultivation depth. The research was carried out to study the effect of different depth on absolute growth and biomass of Gracilaria sp. Gracilaria sp. was cultivated under three different depths (30, 45 and 60 cm). The result shows that absolute growth and biomass were influenced by cultivation depth. The best treatment was cultivation at 30 cm of depth. Water quality measurements shows that research location is suitable for the growth of seaweeds.Keywords : Absolute growth, Biomass, Cultivation depths, Gracilaria sp
PENGAMATAN KADAR SENYAWA POLISIKLIK AROMATIK HIDROKARBON (PAH): (BENZO [a] PYREN, BENZO [a] ANTRASEN, BENZO [b] FLUORANTEN, DI-BENZO [a,h] ANTRASEN, DAN BENZO [g,h,i] PERYLEN) DALAM AIR LAUT DI TELUK JAKARTA E Edward
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2703

Abstract

Pengukuran kadar senyawa polisiklik aromatik hidrokarbon (PAH): Benzo[a]Pyren, Benzo[a] Antrasen, Benzo[b]fluoranten, Di-benzo[a,h]Antrasen, dan Benzo[g,h,i]Perylen dalam air laut di Teluk Jakarta telah dilakukan pada bulan Maret, Mei 2013, Maret dan Juli 2011. Tujuannya adalah untuk menentukan tingkat pencemaran kelima senyawa PAH tersebut dalam air laut dalam kaitannya dengan perlindungan biota laut. Contoh air laut diambil dengan menggunakan alat pengambil contoh air (water sampler) di 12 stasiun penelitian. Posisi stasiun ditentukan dengan menggunakan GPS. Contoh dianalisis dengan menggunakan khromatografi gas. Hasil penelitian menunjukkan kadar ke lima senyawa tersebut pada bulan Maret lebih tinggi dibandingkan dengan Mei dan Juli. Kadar kelima senyawa tersebut telah melebihi nilai ambang batas yang aman untuk kehidupan biota laut. Keyword: Teluk Jakarta, air laut, polisiklik aromatik hidrokarbon, pengamatanABSTRACTMeasurement of polycyclic aromatic hydrocarbons (PAHs) compound concentration: Benzo[a] Pyrene, Benzo[a]Anthracene, Benzo[b]Fluoranthene, Di-Benzo[a,h]Anthracene, and Benzo [g,h,i] Perylene in seawater of Jakarta Bay were carried out in March, May 2013, March and April 2011. The purpose of this research was to determined the level of pollution  of the five PAH compound in seawater  in relation to the protection of marine organisms. Sea water samples  have taken by using a water sampler at 12 research stations. Station positions is determined by using Geographic Position System (GPS). All samples analyzed by using Gas Chromatography. The results of this research showed that the concentration of that fifth PAH compounds in seawater in March were higher compared to May and July. The content of that fifth compound has exceeded the safely threshold value for marine organism life. Keyword: Jakarta Bay,  seawater, polycyclic aromatic hydrocarbon, observation
ANALISIS DAMPAK PELABUHAN IKAN - PPN PRIGI TERHADAP EKONOMI WILAYAH KECAMATAN WATULIMO, KABUPATEN TRENGGALEK DENGAN METODE INPUT- OUTPUT ANALISIS N Nurhadi; S Sumarsono
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.3132

Abstract

Pembangunan pelabuhan perikanan mempunyai peranan penting dalam upaya untuk membangun masyarakat perikanan di sekitar pelabuhan. Dengan adanya pelabuhan perikanan di suatu daerah diharapkan mampu mewujudkan daerah tersebut berpotensi unggul dalam sektor perikanan dan industri terkait, sehingga mampu meningkatkan ekonomi kawasan tersebut.Pelabuhan Perikanan Prigi adalah salah satu contoh pelabuhan yang dibagun dan memiliki berbagai pendukung industri dan fasilitas bagi sektor perikanan, serta hasil produksi yang cukup bersaing. Dengan analisa Input-Output (IO) dilihat seberapa besar produk-produk perikanan di pelabuhan Prigi mempengaruhi perkembangan ekonomi wilayah tersebut.Dari hasil terlihat adanya keunggulan sektor perikanan yang kurang memiliki keterkaitan kebelakang, sehingga diperlukan upaya peningkatan pembinaan dan investasi bidang tersebut
PEMANTAUN KONDISI INVERTEBRATA MENGGUNAKAN METODE REEF CHECK, DI PERAIRAN SELAT SEMPU, KABUPATEN MALANG Oktiyas M Luthfi; Alan Saputra P; R.A Mutiara N.F; Aldy Arisyaputra R; Jimmi K. Sinaga; Mauli Bisel R.S; Ninik Ika S; Mayda Ria A; Hari Murti M.P; Alief Girindra L; Rhomantino Rizal S; Mohammad Bagus N; Ahmad Naufal; Mohammad Raditya N
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2711

Abstract

Reef Check merupakan sebuah organisasi yang didedikasikan untuk konservasi ekosistem terumbu karang dengan menggunakan metode pemantauan ekosistem terumbu karang dan lingkungan. Teknik yang digunakan sangat sederhana serta datanya dapat dipastikan kuat secara ilmiah. Data yang didapat berupa perhitungan penutupan jenis substrat, ikan, invertebrata, spesies langka dan dampak kerusakan. Invertebrata merupakan hewan bertulang belakang yang memiliki peranan penting dalam ekosistem terumbu karang. Data invertebrata yang diambil di lapang merupakan spesies ekonomis penting yang ada di Perairan Sendang Biru. Lokasi penelitian berada di wilayah Perairan Sendang Biru, Malang Selatan. Dilakukan pengambilan data di 4 stasiun pengamatan yakni, Teluk Semut 1, Teluk Semut 2, Fish Apartment, dan Watu Meja agar dapat dilakukan adanya perbandingan kelimpahan. Metode penelitian dengan menggunakan metode transek sabuk  sejauh 100 m pada 4 stasiun, dilakukan pengamatan dengan pola zig-zag dengan 5 kali pengulangan. Hasil dari monitoring 4 stasiun ini terdapat 2 ekor invertebrata Diadema urchin pada stasiun Teluk Semut 1 dan Teluk Semut 2, 3 ekor invertebrata Pencil urchin pada stasiun 3Fish Apartment, dan 2 ekor Kima dengan besar 10-20 cm pada stasiun Fish Apartment dan Watu Meja. Ketiga spesies invertebrata diatas mewakili semua invertebrata yang ditemukan di lokasi penelitian. Sedikitnya jumlah kelimpahan invertebrata yang ditemukan tersebut sebanding dengan kondisi kesehatan terumbu karang yang kurang baik dan rendahnya jumlah biota pada lokasi tersebut. Kondisi kesehatan karang yang rusak diakibatkan adanya aktivitas perikanan, bleaching, dan penyakit karang. Kegiatan monitoring mengenai invertebrata di daerah tersebut perlu dilakukan kembali secara berkala agar dapat mengetahui kondisi perairan tersebut dengan adanya kelimpahan pada invertebrata.  Kata kunci: Invertebrata, Reef Check, Selat Sempu  INVERTEBRATE MONITORING USING REEF CHECK METHOD IN SELAT SEMPU WATERS, MALANG ABSTRACTReef Check is an organization which dedicated to the conservation of coral reef ecosystems by using monitoring coral reef ecosystems and the environment method. The technique was simple and can be done by every one who had scientific. The data collected is the calculation of the cover substrates, fish, invertebrates, rare species and damage Invertebrates are vertebrates that have an important role in the ecosystem of coral reefs. invertebrates data which taken in the field is an economically important species in Sendang Biru. The data collected is the calculation of the closing type of substrates, fish, invertebrates, rare species and impacts that occur by looking at the research site conditions. The research location is in the area of Sendang Biru, South Malang. The data collection is done in four station in order to compare and get a calculation of the observations. The research method using belt transect as far as 100m on 4 stations, the observation done with a zig-zag pattern and visually observe the coral reff. Data collection was performed in five repetitions. The Result oh the monitoring in 4 stations, show 2 individual Diadema urchin on the Teluk Semut 1 and 2, 3 Individual of Pencil urchin on Fish Apartment station, and 2 Kima with a size 10-20cm on Fish Apartment and Watu Meja station. The least amount of invertebrate discovered show the ecological balance between the coral cover and fish populayion. The ecological condition of corals were damaged due to their fishing activities, bleaching and coral disease. Monitoring activities of the invertebrates in the area needs to be continue in order to determine the condition of these area.  Keywords : Invetebrate, Reef Check, Selat Sempu
Coral reefs eco tourism sustainability management In the Gili Labak Island using rapfish method Firman Farid Muhsoni; Mahfud Efendy
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.3235

Abstract

The purpose of this research is to give direction of management of Gili Labak Island by considering multidimensional factors. The method used is Rapfish. This method uses the ecological, resource, economic, social, legal and institutional dimensions. Rapfish Gili Labak's analysis results for the ecological dimension show a value of 62.3 in a fairly sustainable category. The resource dimension shows a value of 63.07 in fairly sustainable categories. The economic dimension shows the value of 10.15 in the unsustainable category. the social dimension of value of 17.8 in the unsustainable category. Legal dimensions and institutional values of 5.36 in non-sustainable categories. Multidimensional analysis results show sustainability index in less sustainable category (value 34,24). After interference is increased it becomes quite continuous (value 74.99). This interference is described in the recommendations. Recommendations are made on the lesser dimensions, namely the legal and institutional fields, the economic field and the social field.
A MAP OF VULNERABILITY TSUNAMI AND PLAN EVACUATION IN COASTAL VILLAGE OF PARANGTRITIS SUB-DISTRICT KRETEK DISTRICT BANTUL DAERAH ISTIMEWA YOGYAKARTA Gentur Handoyo; Agus A.D. Suryo Putro; Petrus Subardjo
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.2838

Abstract

ABSTRACTThe tsunami often hitthe southern coast of Java several times, where Parangtritis located in that area. This is due to the meeting of Indo-Australian plate with the Eurasian plate in the south of Java that results in a major tectonic tsunami source. Tsunami waves from this region takes 50 to 100 minutes to reach the beach. Considering the short span of time to self-rescue, than its necessary to concieve a map of vulnerability to the tsunami region to plan evacuation routes and tsunami temporary evacuation place (TES) tsunami incoastal village of Parangtritis. The material used as an object to study in this research is the vulnerability of the tsunami, tsunami runoff based on the runup height, the proposed evacuation routes and tsunami temporary evacuation place (TES) as. The result,village in Parangtritis is a tsunami prone areas with vast percentage of the tsunami-prone areas at 66.45%. When the tsunami run up reach 16m the affected area was 788.07 Ha. There are three proposed evacuation route through the Parangtritis roads, Depok roads and Depok-Parangtritis roads. There are 12 proposed temporary evacuation place which spread in the village Parangtritis. Keywords: Inundation, Plate, Runup
COMPUTATIONAL MODEL TAHANAN KAPAL UNTUK MENENTUKAN KEBUTUHAN DAYA KAPAL BULK CARRIER 8664 DWT Erik Sugianto; Arif Winarno
Jurnal Kelautan Vol 10, No 2 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i2.3411

Abstract

Faktor utama dalam menentukan daya mesin kapal adalah tahanan kapal. Umumnya, tahanan kapal dihitung menggunakan percobaan model pada towing tank. Namun biaya yang diperlukan sangat besar. Penelitian ini bertujuan menentukan tahanan total kapal dan memperkiraan kebutuhan daya mesin kapal bulk carrier 8664 DWT. Kapal dimodelkan menggunakan software perkapalan, kemudian perhitungan tahanan kapal dan kebutuhan daya kapal dilakukan. Selain itu dilakukan validasi hasil dengan perhitungan matematis Holtrop dan analisa perbandingan hasil dengan penelitian sebelumnya. Hasil analisa untuk kecepatan dinas maksimal 14 knots menunjukan tahanan total kapal adalah 286. 75 kN dan kebutuhan dayanya adalah 2950.31 kW. Sedangkan dengan perhitungan matematis Holtrop dihasilkan tahanan total 256.59 kN, ini terdapat selisih 10.52% dengan hasil permodelan komputer.Kata kunci: tahanan, model, daya, kapal

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