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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 394 Documents
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PERTUMBUHAN Kappaphycus alvarezii DENGAN PENAMBAHAN EKSTRAK Sargassum aquifolium Bambang Ali Akbar; Nunik Cokrowati; Mursal Ghazali; S Sunarpi; Aluh Nikmatullah
Jurnal Kelautan Vol 9, No 1: April (2016)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v9i1.1055

Abstract

Tujuan penelitian ini adalah mempelajari pengaruh penggunaan Sargassum aquifolium dengan konsentrasi dan lama waktu perendaman yang berbeda terhadap pertumbuhan Kappaphycus alvarezii, serta mengetahui pengaruh penggunaan S. aquifolium terhadap persentase kadar karaginan K. alvarezii. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan perlakuan faktorial yang terdiri dari dua faktor yaitu faktor 1 berupa konsentrasi ekstrak Sargassum aquifolium dan faktor 2 berupa perlakuan lama perendaman. Faktor 1 terdiri atas 4 perlakuan konsentrasi perendaman yaitu kontrol (K0), konsentrasi 5% (K1), 10% (K2), 15% (K3). Faktor 2 terdiri atas 3 taraf yaitu lama perendaman 30 menit (T1), 60 menit (T2) dan 90 menit (T3).  Data variabel penelitian dianalisis menggunakan analisis sidik ragam (ANOVA) pada taraf kesalahan 5%. Hasil penelitian menunjukkan bahwa pemberian ekstrak Sargassum aquifolium tidak memberikan pengaruh terhadap pertumbuhan rumput laut Kappaphycus alvarezii. Perlakuan K1T3 (perendaman dengan konsentrasi 5% selama 90 menit) menunjukkan hasil tertinggi dari perlakuan lainnya, nilai laju pertumbuhan spesifik 6.11%, pertumbuhan mutlak 663.89 gram, berat kering 197.80 gr dan nilai kadar karaginan yaitu 53.33%. Berat kering terendah diperoleh pada perlakuan K3T3 (perendaman dengan konsentrasi 15% selama 90 menit). Kesimpulan penelitian ini adalah pemberian ekstrak Sargassum aquifolium tidak memiliki pengaruh nyata terhadap pertumbuhan Kappaphycus alvarezii dan kadar karaginan tertinggi adalah 53.33% terdapat pada perlakuan  konsentrasi ekstrak Sargassum aquifolium 5% dengan perendaman selama 90 menit.Kata Kunci: berat kering, ekstrak, karaginan, perendaman, pertumbuhan.GROWTH PERFORMANCE OF Kappaphycus alvarezii WITH ADDING Sargassum aquifolium EXTRACTABSTRACTThis research purpose is to study the effect of adding Sargassum aquifolium extract dan time of submersion for growth performance and carrageenan content of Kappaphycus alvarezii. This research used completely randomized design with factorial treatment, consist of two factors. The first factor is concentrations of Sargassum aquifolium extract. The second factor is time of submersion. The first factor consist of 4 treatments are control (K0), consentrasion 5% (K1), 10% (K2), 15% (K3). The second factor consist of submersion time of 30 minutes (T1), 60 minutes (T2) dan 90 minutes (T3). Variable datas of this research was analized using ANOVA (Analysis of Variance) at 5%. The result showed that Sargassum aquifolium extract was not significantly affected growth performace of Kappaphycus alvarezii (P0,05). K1T1 (submersion with a concentration of 5% during 90 minutes) showed the higest results from other treatments, specific growth 6.11%, absolute growth 663.89 g, dry weight 197.80 g and carrageenan content 53.33%. The lowest dry weight is K3T3 (submersion with a concentration of 15% during 90 minutes). The conclusion are Sargassum aquifolium extract did not have any real effect on performance growth of Kappaphycus alvarezii and the highest levels of 53.33% carrageenan contained in the treatment Sargassum aquifolium extract concentration of 5% with submersion time of 90 minutes.Keywords: carrageenan, dry weigth, extract, growth, submersion.
KONSERVASI MAMALIA LAUT (CETACEA) DI PERAIRAN LAUT SAWU NUSA TENGGARA TIMUR Dafiuddin Salim
Jurnal Kelautan Vol 4, No 1: April (2011)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v4i1.888

Abstract

Perairan Indonesia merupakan daerah ruaya (migration)dari jenis-jenis mamalia laut (marine mammals) seperti paus, lumba-lumba dan ikan duyung, terutama di wilayah Indonesia bagian timur.Cetacea dan berbagai jenis biota laut peruaya lainnya termasuk jenis penyu hingga saat ini keberadaannya semakin terancam.Pemerintah Indonesia, melalui Departemen Kelautan dan Perikanan melakukan upaya perlindungan spesies bagi mamalia laut dengan membentuk dan menetapkan kawasan konservasi Laut Sawu sebagai Kawasan Konservasi Perairan Nasional (KKNP).Penetapan suatu kawasan menjadi kawasan yang dilindungi tidak lepas dari kendala dan hambatan yang dihadapinya, tetapi hambatan dan kendala ini dapat dijadikan suatu tantangan dalam mengelola sumberdaya alam yang lebih efektif.Pengelolaan yang efektif bagi mamalia laut yakni dengan tetap melindungi ekosistem dan habitatnya, melakukan penelitian dan monitoring, pemantauan terhadap illegal fishing maupun destructive fishing.Kata Kunci :Cetacea, Konservasi, Tantangan, Pengelolaan efektif
WAVE CHARACTERISTICS ANALYSIS OF PERAK WATERS SURABAYA Zainul Hidayah
Jurnal Kelautan Vol 2, No 2: Oktober (2009)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v2i2.853

Abstract

This research was intended to understand the wave’s characteristics of the study area. Wave’s parameters that were observed in this research including wave period (T), wave length (L), wave height (H), wave velocity (C) and wave energy (E). Another objective of this study was also to produce a topographic map of the sea floor for the study area. Wave’s data of this study was gain from an electronic sensor called MAWS (Marine Automatic Wave Sensor). This sensor is located in a Naval Base of Surabaya. Result of this study showed that the Perak Port was located in a relatively shallow waters area, with maximum water depth approximately 27 meters. The average of observed wave length and wave period during the study was 2.005 meters and 1.0875 seconds. Moreover, this study was also observed that the average of wave height of the area 0.2375 meters, with wave velocity just about 1.6975 m/s. Key Words : wave period , wave length, wave height, wave velocity, wave energy
BAKTERI INDIKATOR PENCEMARAN DI PERAIRAN KABUPATEN BANGKALAN Eva Ari Wahyuni
Jurnal Kelautan Vol 8, No 1: April (2015)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v8i1.810

Abstract

Perairan Selat Madura, khususnya di Kecamatan Kamal dan Socah Kabupaten Bangkalan, merupakan wilayah perairan yang terdampak langsung oleh berbagai aktivitas di Kota Surabaya dan Kabupaten Gresik serta adanya Jembatan Suramadu. Beberapa dampak, salah satunya adalah dampak negative berupa potensi pencemaran di lingkungan perairan laut. Tujuan penelitian ini untuk mengetahui keberadaan bakteri pencemar, salah satu indikatornya adalah bakteri pathogen, di perairan Kecamatan Kamal Kabupaten Bangkalan. Pengambilan data berupa sampel air laut dilakukan di tiga stasiun, dibiakkan dalam media agar. Selanjutnya, proses kultur pada media selektif. Hasil kultur menunjukkan ada bakteri pathogen dari jenis coliform. Keberadaan bakteri pathogen menjadi salah satu indicator awal yang menunjukkan adanya peluang terjadinya pencemaran di lokasi penelitian.Kata Kunci: Bakteri pathogen, Coliform, Indikator pencemaranPOLLUTION INDICATOR BACTERIA IN BANGKALAN DISTRICT WATERSABSTRACTMadura Strait, especially in Sub Kamal and Socah Bangkalan, a water area directly affected by the activities in the city of Surabaya and Gresik as well as the Bridge. Some effects, one of which is in the form of the potential negative impact of pollution in the marine environment. The purpose of this study to determine the presence of bacterial contaminants, one indicator is the bacterial pathogen, in the waters of the District Kamal Bangkalan. Retrieval of data in the form of sea water samples carried out at three stations, cultured in an agar medium. Furthermore, the process of culture in selective media. Culture results showed no coliform bacterial pathogens of this type. The existence of pathogenic bacteria becomes one of the early indicators that indicate the chances of contamination at the sites.Keywords: Coliform, Pathogenic bacteria, pollution indicators
OPTIMASI PROSES EKSTRAKSI KHITIN DARI CANGKANG RAJUNGAN DENGAN MENGGUNAKAN MESIN EKSTRAKSI OTOMATIS H Hafiludin
Jurnal Kelautan Vol 4, No 2: Oktober (2011)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v4i2.878

Abstract

Chitin is one of the natural polymer compound which is totally generous sufficient and most total after cellulose. This research directed to know optimisation process for the extraction of chitin from the carapax crabs by using automatic machine extraction. The research covered the activity which is appearance of utomatic machine extraction making that consist of determination level of the first extraction of optimation process. This study to analyzied the composition of raw material quality of chitin and standard of optimation of chitin extraction process. At last, this research determined continu of level optimation extraction process include study in characteristic quality of chitin. This study conducted refers to exhibit time combination during the process especially for demineralisasi and deproteinasi of chitin. Analysis for chitin extraction consist of rendemen, ash value, nitrogen value, water value, whaiteness level and deasetilasi level. The result have influence significant to examined parameter as ash value, nitrogen value, water value, whiteness level and deasetilasi level. Optimum condition obtained from demineralisasi process at 100 0C temperature for 60 minutes and deproteinasi process at 100 0C temperature for 60 minutes by 9.279% rendemen; 7.257% water; 0.6398% ash, 5.4068% total nitrogen, 50.2% whaiteness level and 21.3% deasetilasi level. Key words: Chitin, Extraction, Carapax, Crab 
PENGARUH PERBEDAAN RENTANG SUHU TERHADAP KEBERHASILAN PEMIJAHAN DAN DAYA TETAS TELUR KERANG BULU (Anadara antiquata) Lalu Jaye Warse; Nanda Diniarti; Dewi Putri Lestari
Jurnal Kelautan Vol 12, No 1 (2019)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v12i1.5031

Abstract

Kerang bulu merupakan komuditas laut yang bernilai ekonomis tinggi, karena dagingnya memiliki kandungan nutrisi yang cukup tinggi, bahkan cangkangnya dimanfaatkan untuk berbagai  kerajinan. Kerang bulu memiliki pertumbuhan yang cukup lambat.Sementara,keberadaannya di alam semakin menurun akibat penangkapan yang berlebihan. Salah satu cara untuk mempertahankan populasinya yaitu melakukan penanganan di sektor pembenihan. Keberhasilan pemijahan, hatching rate dan survival rate kerang bulu sangat dipengaruhi oleh banyak faktor, salah satunya adalah suhu.Penelitian ini bertujuan untuk mengetahui pengaruh kejut suhu(penurunan dan penaikkan suhu) terhadap keberhasilan pemijahan, hatching rate dan survival ratekerang bulu (Anadara antiquata).Metode yang digunakan adalah metode eksperimen menggunakan Rancangan Acak Lengkap (RAL) terdiri atas empat perlakuan dan tiga ulangan yaitu, P1 (28°C), P2 (30°C), P3 (32°C) dan P4 (34°C).Hasil penelitian menunjukkan bahwa kejut memberikan pengaruh yang nyata terhadap keberhasilan pemijahan, perkembangan embrio dan hatching rate(P0.05).Tingkat penetasan telur tertingi diperoleh pada perlakuan P2 (30°C) dengan nilai sebesar 83%, sedangkan nilai terendah didapatkan pada perlakuan P3 (32°C) dengan nilai sebesar 62.33%. Namun, tidak memberikan pengaruh yang nyata terhadapat survival ratelarva dengan nilai masing-masing sebesar P1 (62,33%), P2 (69%), P3 (65,33%) dan P4 (63,33%).Kata kunci: Kerang bulu, kejut suhu, perkembangan telur, hatching rate dan survival rate ABSTRACT Shellfish is a marine commodity that has high economic value, because the meat has a high nutrient content, even the shell is used for various handicrafts. Fur shells have fairly slow growth. Meanwhile, its presence in nature has declined due to overfishing. One way to maintain the population is to take care in the hatchery sector. The success of spawning, hatching rate and survival rate of fur shellfish are strongly influenced by many factors, one of which is temperature. This study aims to determine the effect of temperature shock (decrease and increase in temperature) on the success of spawning, hatching rate and fur shellfish survival rate (Anadara antiquata). The method used is the experimental method using Completely Randomized Design (CRD) consisting of four treatments and three replications namely, P1 (28°C), P2 (30°C), P3 (32°C) and P4 (34°C). The results showed that shock gave a significant effect on the success of spawning, embryo development and hatching rate (P 0.05). The highest level of egg hatching was obtained at P2 (30 °C) treatment with a value of 83%, while the lowest value was obtained at treatment P3 (32°C) with a value of 62.33%. However, it did not have a significant effect on larval survival rates with values of P1 (62.33%), P2 (69%), P3 (65.33%) and P4 (63.33%), respectively. Keywords: Shellfish, temperature shock, egg development, hatching rate and survival rate
STRUKTUR KOMUNITAS DAN KELIMPAHAN FITOPLANKTON DI PERAIRAN MUARA SUNGAI PORONG SIDOARJO Indah Wahyuni Abida
Jurnal Kelautan Vol 3, No 1: April (2010)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v3i1.840

Abstract

Penelitian ini bertujuan untuk mengetahui struktur komunitas dan kelimpahan fitoplankton dan faktor yang mempengaruhi di perairan muara sungai Porong Sidoarjo. Metode penelitian dilakukan dengan metode deskriptif yang bersifat ex post facto. Analisis sampel air dilakukan di Laboratorium Tanah dan Laboratorium Ilmu Kelautan Universitas Trunojoyo. Dari hasil penelitian menunjukkan bahwa Struktur komunitas fitoplankton yang ada di perairan muara Sungai Porong terdapat 2 kelas yaitu Bacillariophyceae (14 genera) dan Dinophyceae (2 genera) dengan kelimpahan berkisar antara 18.077 sel/L - 29.305 sel/L. Indeks Keanekaragaman menunjukkan kestabilan populasi rendah dengan indeks keseragaman yang rendah sehingga tidak ada dominansi species. Faktor yang mempengaruhi kelimpahan fitoplankton adalah tingkat kecerahan perairan yang rendah akibat tingginya bahan tersuspensi. Kata Kunci : Struktur Komunitas, Fitoplankton, Muara Sungai Porong 
POTENTIAL OF Avicennia alba AS AN AGENT OF PHYTOREMEDIATION HEAVY METAL (Pb and Cu) IN WONOREJO, SURABAYA R Rachmawati; Defri Yona; Rarasrum Dyah Kasitowati
Jurnal Kelautan Vol 11, No 1 (2018)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v11i1.3341

Abstract

One of the regions in Surabaya which has accumulated the largest pollution levels was the region of Wonorejo. Wonorejo is an area that is used as a mangrove conservation. But, Pb and Cu are heavy metals that have been detected in high concentration in this region. Avicennia alba has been known to have the ability to absorb heavy metals so that mangrove can be used us phytoremediation agent. The purposes of this research were to analyze the concentration of heavy metals (Pb and Cu) in sediments, roots and leaves of Avicennia alba;  to understand the potential of Avicennia alba as an agent of phytoremediation. The result showed that Cu concentration was higher than Pb concentration in sediment, roots and leaves. The concentrations  of Cu were 4.13 ppm - 36.95 ppm and Pb between 3.28 ppm - 23.79 ppm. Based on bioconcentration factor (BCF) Avicennia alba was categorize as excluder (BCF1)  of both heavy metals, but concentration of translocation factor (TF) of Pb was categorized phytoexstraction (TF1) and Cu was categorized phytostabilization (TF1). The result of the BCF and TF showed that Avicennia alba can absorb heavy metals (Pb and Cu) from the environment, however the mobility of the heavy metals in the mangrove will experience different phytoremediation mechanisms (phytostabilization for Cu; phytoexstraction for Pb).POTENTIAL OF AVICENNIA ALBA AS AN AGENT OF PHYTOREMEDIATION HEAVY METAL (PB AND CU) IN WONOREJO, SURABAYAABSTRACTOne of the regions in Surabaya which has accumulated the largest pollution levels was the region of Wonorejo. Wonorejo is an area that is used as a mangrove conservation. But, Pb and Cu are heavy metals that have been detected in high concentration in this region. Avicennia alba has been known to have the ability to absorb heavy metals so that mangrove can be used us phytoremediation agent. The purposes of this research were to analyze the concentration of heavy metals (Pb and Cu) in sediments, roots and leaves of Avicennia alba; to understand the potential of Avicennia alba as an agent of phytoremediation. The result showed that Cu concentration was higher than Pb concentration in sediment, roots and leaves. The concentrations of Cu were 4.13 ppm - 36.95 ppm and Pb between 3.28 ppm - 23.79 ppm. Based on bioconcentration factor (BCF) Avicennia alba was categorize as excluder (BCF1) of both heavy metals, but concentration of translocation factor (TF) of Pb was categorized phytoexstraction (TF1) and Cu was categorized phytostabilization (TF1). The result of the BCF and TF showed that Avicennia alba can absorb Pb and Cu from the environment, however the mobility of the heavy metals in the mangrove will experience different phytoremediation mechanisms (phytostabilization for Cu; phytoexstraction for Pb).Keywords: Avicennia alba, Phytoremediation, Factor Bioconcentration, Factor Translocation, Heavy Metal (Pb and Cu)
ANALISIS KESESUAIAN LAHAN KONSERVASI HUTAN MANGROVE DI PESISIR SELATAN KABUPATEN BANGKALAN Maulinna Kusumo Wardhani
Jurnal Kelautan Vol 7, No 2: Oktober (2014)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v7i2.799

Abstract

Pantai selatan Bangkalan-Madura didukung oleh Jembatan Suramadu merupakan salah satu daerah yang memiliki banyak potensi. Juga, daerah memiliki kesempatan serta sumber polusi potensial melalui pertambangan minyak dan konstruksi galangan kapal. Penelitian ini bertujuan untuk menganalisis dan memetakan potensi kawasan konservasi di wilayah pesisir selatan Bangkalan menggunakan parameter kesesuaian lahan berdasarkan parameter kondisi biofisik daerah ini. Pemetaan daerah konservasi dilakukan dengan menggunakan aplikasi penginderaan jauh dan sistem informasi geografis; kemudian, dilanjutkan dengan indeks kesesuaian kawasan konservasi. Hasil analisis menunjukkan bahwa ada 4 (empat) wilayah di South Coast dari Bangkalan dalam kategori Sangat Kesesuaian (S1). Kawasan hutan mangrove di Karanganyar (Kecamatan Kwanyar), Langpanggang, Pangpajung dan Patengteng (Kabupaten Modung) Dengan demikian, kontrol dan konservasi adaslah langkah yang tepat, yang harus segera dilakukan.Kata Kunci: kesesuaian lahan, konservasi, mangroveCONFORMITY ANALYSIS OF MANGROVE FOREST OF CONSERVATION LAND IN SOUTH COAST OF BANGKALAN REGENCYABSTRACTSouth Coast of Bangkalan-Madura supported by the Suramadu Bridge is one of area that has much potential. Also, the area has an opportunity as well as pollution sources potential through oil mining and shipyard construction. This study aims to analyze and to map the potential of conservation areas in the south coastal area of Bangkalan using parameter of area suitability based on the parameters of biophysically condition of these regions. Mapping the conservation areas was done the application of remote sensing and geographic information system; then, proceed by the index of conservation area suitability. Results of the analysis showing that there are 4 (four) area at South Coast of Bangkalan in Very Suitability category (S1). They are the mangrove forest area in Karanganyar (Sub-District Kwanyar), Langpanggang, Pangpajung and Patengteng (District Modung) Thus, control and conservation tools are appropriate measures that must be done immediately.Keywords: conservation, land suitability, mangrove
SEASONAL AND INTRA-SEASONAL VARIABILITY OF SEA SURFACE TEMPERATURE IN PARI ISLAND-JAKARTA, INDONESIA Corry Corvianawatie
Jurnal Kelautan Vol 12, No 1 (2019)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v12i1.5092

Abstract

Sea Surface Temperatures (SSTs) is one of the most important oceanographic parameter that could affect the marine life, especially coastal ecosystem. SSTs data varies in hourly, daily, seasonal, annual, inter-annual, and even in longer time scales. This condition makes any studies using instantaneous measurement could turn into misleading report due to the lack of time series SSTs data. Thus, the aim of this study is to understand the seasonal and intra-seasonal SSTs dynamics in Pari Island using continuous measurement from temperature logger. This study found that the double peaks of SSTs in May and November are correspond to the period of transitional monsoon. Conversely, the two minimum SSTs in February and August were correspond to the peak of northwest monsoon and southeast monsoon respectively. In addition to seasonal pattern, the slightly dominant intra-seasonal variability of SSTs was found in the period of 57 and 86 days. Those predominant signals suggested represent the Madden-Julian Oscillation phenomena.

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