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All Journal Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Ilmu dan Teknologi Kelautan Tropis Maspari Journal Jurnal Perikanan dan Kelautan Maspari Journal Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Ekonomi Modernisasi Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Kelautan Tropis Jurnal Akuatika Indonesia Jurnal Perikanan Universitas Gadjah Mada Dinamika Maritim Jurnal Kebijakan Perikanan Indonesia Minda Baharu Unri Conference Series: Community Engagement Journal of Coastal and Ocean Sciences Dinamika Lingkungan Indonesia CANANG: Jurnal Pengabdian Masyarakat Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan South East Asian Aquaculture Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan South East Asian Water Resources Managements Jurnal Perikanan dan Kelautan

Romie Jhonnerie

Universitas Riau

Author-ID : 292210

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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DISTRIBUTION OF CHLOROPHYLL-a CONCENTRATION IN WEST SUMATERA CONNECTED BY THE RESULTS OF TUNA’S ARREST Destuanti, Nia; YulikaSari, T. Ersti; Jhonnerie, Romie
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Chlorophyll-a is one of indicator’s level in fertility waters that be found in phytoplankton. The distributed of Chlorophyll-a concentration can be indication that so many fish in the waters. One of potential fishing in Hindia’s ocean, west Sumatera section is Thunnus obesus and Thunnus albacares to identifed the content of Chlorophyll-a can be used aqua MODIS satelite. The goals of this research is to know the distribution of Chlorophyll-a concentration and the effort arrest in spasial and temporal (montly, seasonal, yearly) and then to knew the correlation between effort arrested with Chlorophyll-a data. This research used density’s analysis by used QGIS. The correlation between Chlorophyll-a with effort arrested (CPUE) that can be found from analysis of coefficient correlation for montly periods by the highestvalue r: 0,72 in May with the results both of variabel had powerful correlation and the lowest value r: 0,02 in December with the results both of variabel had weak correlation. The highest of coefficient correlation in seasonal period with r: 0,47 in trantition seasonal as the results both of variabel had medium correlation and the lowest value r: 0,04 in west season as the results both of variabel had weak correlation.Keywords: Hindia’s Ocean, bigeye tuna (Thunnus obesus), yellowfin tuna (Thunnus albacares), chlorophyll-a, Aqua MODIS

KLASIFIKASI TERBIMBING BERBASIS OBJEK MENGGUNAKAN ALGORITMA NEAREST NEIGHBOR UNTUK PEMETAAN MANGROVE DI SUNGAI KEMBUNG, PULAU BENGKALIS Deswina, Deswina; Oktorini, Yossi; Jhonnerie, Romie
Maspari Journal : Marine Science Research Vol 10, No 2 (2018): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

Ekosistem mangrove merupakan suatu komunitas tumbuhan yang khas, dipengaruhi pasang-surut air laut. Sungai Kembung merupakan salah satu ekosistem mangrove di Pulau Bengkalis dan saat ini cenderung mengalami tekanan seperti adanya aktivitas budidaya tambak udang dan penebangan liar. Penginderaan jauh dapat dijadikan sebagai solusi dalam pemantauan ekosistem mangrove. Penelitian ini bertujuan untuk memetakan penutup lahan mangrove Sungai Kembung menggunakan citra satelit Sentinel-2A dengan penerapan algoritma klasifikasi nearest neighbor. Segmentasi multiresolusi dengan nilai parameter scale yang berbeda (10, 30, 50, 100 dan 150) digunakan untuk menghasilkan objek penutup lahan. Hasil penelitian menunjukkan bahwa segmentasi terbaik diperoleh dari nilai scale 30 dengan jumlah objek sebanyak 10.750. Semakin besar nilai scale maka jumlah objek yang tersegmen semakin sedikit serta nilai akurasi keseluruhan yang dicapai cenderung menurun. Hasil perhitungan matrik kesalahan menunjukkan akurasi keseluruhan terbaik sebesar 74%. Penelitian ini merekomendasikan penerapan nearest neighbor sebagai algoritma klasifikasi alternatif untuk memetakan penutup lahan mangrove.

CAPABILITY AND SWIMMING ENDURANCE OF TAPAH FISH (Wallago leeri) IN ROTATED TANK (FLUME TANK) Ghifari, Dwika; Nofrizal, Nofrizal; Jhonnerie, Romie
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT Tapah fish (Wallago leeri) is a type of freshwater fish with high economic value. Swimming speed and endurance (Wallago leeri) observed in swimming chanel flume tank. The purpose of this study was to test the endurance and swimming speed of tapah fish. This research was conducted on 1-15 November 2018 in the Laboratory of Fishing Gear and Material of the Faculty of Fisheries and Marine, University of Riau. The method used in this study was an experiment in which of testing is done directly with the number of samples used were 20 fish with an average body length of 27.2 cm and was obtained a standard deviation of body length (+ 2.22 cm). Based on the testing results obtained sustained tapah fish swimming speed sustained <0.42 TL / sec, maximum sustained 0.42 TL / sec (11.50 cm / sec), prolonged ranges from 0.42-2.23 TL / sec, burst swimming speed 2.23 TL / sec. The relationship between swimming speed and endurance of tapah fish swimming is negative correlation with the value (R2 = 0.89) which means that the endurance of fish swimming decreases if it is in a situation of high swimming speed and the ability of fish swimming is drastically reduced. Based on the results of the test it can be recommended for the cultivation floating cages the tapah fish can use the waters with currents of 0.42 TL / sec (11.50 cm / sec) which is the daily swimming speed of the tapah fish. Key word : Swimming Speed, Ability and Endurance,Tapah Fish

PEMANFAATAN KAYU MANGROVE OLEH MASYARAKAT SUKU ASLI SUNGAI LIONG PULAU BENGKALIS Miswadi, Miswadi; Firdaus, Ramses; Jhonnerie, Romie
Dinamika Maritim Vol 6 No 1 (2017): Dinamika Maritim, Vol. 6 No. 1, August 2017 (Special Edition)
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

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Mangrove wood is the main source indigenous communities (Suku Asli) to meet the economic needs of their household. Our purposes were to describe the level of used of mangrove wood by indigenous communities at Liong River, Bengkalis Island during February to May 2014. Primary data were collected through observation and interview then data described descriptively. Results showed that mangrove woods utilized by the communities to meet the raw material of mangrove charcoal and stakes needs as the main uses while fire woods additional benefit for them. The woods rate collection was found different and influenced by tidal conditions. During spring tide they might collected 700-750 kg/person/ and 70-80 logs/person/day for charcoal and stakes respectively, while neap tides they collected 600-650 kg/person/day and 40-50 logs/person/day. We concluded that exploitation of mangrove wood in the Liong River was very high. There should be restrictions on the numbers of mangrove wood utilization, for sustainable uses.

HASIL TANGKAPAN SAMPINGAN (BYCATCH DAN DISCARD) PADA ALAT TANGKAP GOMBANG (FILTER NET) SEBAGAI ANCAMAN BAGI KELESTARIAN SUMBERDAYA PERIKANAN . Nofrizal; Romie Jhonnerie; Alit Hindri Yani; . Alfin
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 9 No. 2 (2018): Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut
Publisher : Bogor Agricultural University

ABSTRACTFilter net has a mesh size in small size pockets of the net. This allows filter net has the potential to be non-selective fishing gear about the fish size and the target species catch. If the fishing gear allowed, hence its existence will ultimately have a negative impact on the sustainability of fisheries resources, especially in coastal waters. The objective of this research is to calculate compositions and proportions of the main catch, bycatch and discard of the filter net. It is expected by knowingÂ the composition and proportion of the main catch, bycatch and discard can provide an overviewÂ of the pressure on the stock and sustainability of fisheries resources inÂ waters where it is operated. This research was used survey method. A series of survey activities was conducted directly in the field to identify and count species of filter netâ€˜s fishing catches. Based on the main catch, bycatch and discard of the filter net, it shows that Sergetes similis is the dominant species caught bythe filter net(98.455%).Â The main catch for Escualosa thoracata reaches 1.354%. Besides, the main catches that were caught were Metapenaus monocerus, Parapenaeopsis sp, Panulirus sp and Paneeus monodon with the catch percentage ranging from 0.011 to 0.024%. Percentage of by-catches reached 0.04-0.00004% of the 24 species caught and the catch removed was around 0.001-0.0005% of the 3 species caught.Keywords: bycatch, discard, filter net, fisheries resources, main catchABSTRAKGombang memiliki ukuran mata jaring pada kantong berukuran kecil. Hal ini memungkinkan alat tangkap gombang berpotensi menjadi alat tangkap yang tidak selektif terhadap ukuran ikan dan jenis yang menjadi sasaran tangkapannya. Apabila alat tangkap ini dibiarkan, maka keberadaannya pada akhirnya akan memberikan dampak yang negatif terhadap keberlanjutan sumberdaya ikan terutama di perairan pantai. Tujuan penelitian ini adalah untuk menghitung komposisi dan proporsi hasil tangkapan utama (main catch), hasil tangkapan sampingan (bycatch) dan hasil tangkapan yang dibuang (discard).Diharapkan dengan mengetahui komposisi dan proporsi hasil tangkapan utama, sampingan dan yang dibuang dapat memberikan gambaran tentang tekanan terhadap stok dan kelestarian sumberdaya perikanan di perairan dimana gombang dioperasikan.Metode yang digunakan dalam penelitian ini adalah metode survei.Serangkaian aktivitas survei dilakukan secara langsung di lapang untuk mengidentifikasi dan menghitung jenis spesies yang tertangkap oleh alat tangkap gombang.Berdasarkan persentase hasil tangkapan utama, sampingan dan buangan per jenis, menunjukkanÂ Sergetes similis merupakan spesies yang dominan tertangkap oleh alat tangkap gombang (98,455%). Hasil tangkapan utama untuk Escualosa thoracata mencapai 1,354%. Selain itu hasil tangkapan utama yang tertangkap ialah Metapenaus monocerus, Parapenaeopsis sp, Panulirus sp dan Paneeus monodon dengan persentase hasil tangkapan berkisar 0,011-0,024%. Persentase hasil tangkapan sampingan mencapai 0,04-0,00004% dari 24 spesies yang tertangkap dan hasil tangkapan yang dibuang berkisar 0,001-0,0005% dari 3 spesies yang tertangkap.Kata kunci: bycatch, discard, gombang, sumberdaya perikanan, main catch

STUDI HASIL TANGKAPAN BYCATCH DAN DISCARD PADA PERIKANAN UDANG MANTIS (Harpiosquilla raphidea) MENGGUNAKAN ALAT TANGKAP GILLNET Farhan Ramdhani; Nofrizal Nofrizal; Romie Jhonnerie
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 10 No. 2 (2019): Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut
Publisher : Bogor Agricultural University

Tanjung Jabung Barat Regency has a great potential for mantis shrimp (Harpiosquilla raphidea) resources. This commodity is highly valued, as its price range from Rp. 143,600 to 180,700 for each individual. Annually, the total catches constitute 125,000-225,000 individuals, which become one of export commodities to various countries. In Tanjung Jabung barat, the mantis shrimp has been caught by using gillnet with mesh size of 10 cm. Unfortunately, mantis shrimp fishing deal with a significant number of bycatch and discards, which potentially have negative impact on sustainable fisheries resources. Therefore, the purposes of this study was to emphasis on sustainable fishing effort of mantis shrimp and identify the composition and proportion of bycatch and discards. A series of surveys was conducted for collecting the amount of species caught by gillnet during mantis shrimp fishing operation. The result shows that the bycatch and discards dominated the total catches making up to 54.99% (7 species) and 22.69% (7 species) respectively. Mean while, the total of fishing catches for mantis shrimp was 22.32%.Keywords: bycatch, discards, gillnet, mantis shrimp (Harpiosquilla raphidea)

MANGROVE COVERAGE CHANGE DETECTION USING LANDSAT IMAGERIES BASED ON HYBRID CLASSIFICATION IN KEMBUNG RIVER, BENGKALIS ISLAND, RIAU PROVINCE Romie Jhonnerie; Vincentius P Siregar; Bisman Nababan; Lilik Budi Prasetyo; Sam Wouthuyzen
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 6 No. 2 (2014): Electronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

ABSTRACT The limited scientific information and lack of attention from stakeholders on the status of mangroves in Kembung River functioned as a basis of this study. Four series of Landsat data recorded in 1996, 2002, 2010, and 2013 were used to map mangrove land cover and changes detection. Hybrid classification technique, a combination of the object-based and random forest classifications, were applied in this study. The result showed that based on hybrid classification, mangrove coverage was detected within 82.6-88.4% overall accuracy. Change detection analyses showed that the mangrove area of Kembung River was relatively stable. For nearly two decades, we found mangrove loss about 197.2 ha, gain of 251.1 ha, and unchanged of 2904.9 ha. Changes in mangrove were generally caused by anthropogenic factors such as mangrove replanting, logging, changes over the function of mangroves into the road, embankment, settlement, shrimp farms, and natural growth. Serious attention from various parties are needed to maintain the existence and sustainablility of mangrove ecosystems in Kembung River. Keywords: Mangrove, Sungai Kembung, monitoring, Landsat, hybrid classification

NILAI FINANSIAL DAN POTENSI KONFLIK PERIKANAN UDANG MANTIS DI KUALA TUNGKAL, JAMBI Nofrizal; Farhan Ramdhani; Romie Jhonnerie
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Mantis shrimp is an export commodity that caught by fishermen in Kuala Tungkal. Mostly, the fishermen use gillnet as their main fishing gear. However, this fishing effort shares open access and common property to be its aquatic resources with other fishing businesses that may bring potential conflicts related to fishing areas, utilization of aquatic resources, fishing gear, etc. Thus, this current study aims to analyze economic value and potential conflicts in mantis shrimp catch in Kuala Tungkal. A survey method was applied as the research method. From 2015 to 2017, the export volume and value of shrimp commodities continued to increase. The results show that profit value (π) possessed by catching mantis shrimp is Rp637.500,00 per trip, R/C 5.6 and PP 39 trips showing a good financial value and potential to be developed. Meanwhile, potential conflicts in catching mantis shrimp tend to be low since there is no overlapping fishing area for each fishing gear operated by different aquatic resource users. It means that the operation of fishing gear has been set well by the community of fishing businesses in that area so that the potential for social conflicts between aquatic resources users is also low.

KLASIFIKASI TERBIMBING BERBASIS OBJEK MENGGUNAKAN ALGORITMA NEAREST NEIGHBOR UNTUK PEMETAAN MANGROVE DI SUNGAI KEMBUNG, PULAU BENGKALIS Deswina Deswina; Yossi Oktorini; Romie Jhonnerie
Maspari Journal : Marine Science Research Vol 10, No 2 (2018): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

STUDY ON UTILIZATION OF THE SASAK FISH LANDING BASE FACILITY, PASAMAN BARAT DISTRICT WEST SUMATRA PROVINCE Pipit Yerma Yernis; Syaifuddin Syaifuddin; Romie Jhonnerie
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 2 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abtract This research was carried out in June 2019 at the Sasak Fish Landing Base, West Pasaman Regency, West Sumatra Province. The purpose of this study was to obtain information about the type of facility, condition of the facility, capacity, and to find out the level of utilization of the facilities that support the smooth operation of fisheries in PPI Sasak. The method used in this research is a survey method. PPI Sasak is equipped with several facilities such as basic facilities, functional facilities and supporting facilities. The main facilities consist of a pier, port land, harbor pond, PPI road, functional facilities consist of TPI, PPI Sasak office, fish warehouse, ice warehouse, while supporting facilities consist of PPI Sasak official house and post guard. The activities at PPI Sasak are landing of catches, replenishment of supplies, repair and maintenance of fishing gear, mooring of fishing vessels and ship departure activities. All of the facilities at PPI Sasak have been utilized and have been used according to their function. Of all the existing facilities, only the pier, port pool and TPI are calculated for their use. When viewed from the calculation of the level of facility utilization, it shows that the length of the pier for the loading dock is 30 m while the available wharf is 240 m with a utilization rate of 0.0843%. The required pool area from the results of the analysis carried out is 2,346 m2 with an available pool area of 800 m2 with a pool area utilization rate of 0.00293%. While the required pool depth is 1.6 m with the availability of a 3 m pool depth with a utilization rate of 0.5333%, while for the needs of TPI in PPI Sasak it is 291.6 m while the existing TPI area is 384 m, the percentage of utilization of TPI area is 0, 7593%.Keywords: Facilities, Study of Facility Utilization, PPI Sasak,

Co-Authors . Alfin Adriman Adriman Adriman, Adriman afni afriani Ahmad Muhammad Ahmad Nawawi Alit Hindri Yani Amraini Fitri Andri Hendrizal Aras Mulyadi Audina Agustin Syam Bisman Nababan Budijono, Budijono Deni Efizon Desi Rahmadani Siagian Destuanti, Nia Deswina Deswina Deswina, Deswina Eddiwan Kamaruddin Efriyeldi, Efriyeldi Eko Prianto, Eko Ester Restiana Endang Gelis Farhan Ramdhani Fatmawati, Riska Fauzan Ramadan Fitri, Amraini Ghifari, Dwika Hesniati Hesniati Idwar, Idwar Irfan Zidni Irwan Limbong Isma Mulyani Krisdayana Krisdayana LILIK BUDIPRASETYO Mauliddin, Muhammad Miswadi Miswadi Miswadi Miswadi Miswadi Miswadi Miswadi Miswadi Muhamad Mauliddin Muhamad Mauliddin Muhammad Fauzi Muhammad Fauzi Muhammad Mauliddin Muhammad Natsir Kholis Musrifin Musrifin NOFRIZA, NOFRIZA Nofrizal , Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Nofrizal Novrianto, Eko Nur El Fajri Nuraini El Fajri Nurul Qomar Pipit Yerma Yernis Rahmatdillah Rahmatdillah Ramadhan, Fauzan Ramses Firdaus, Ramses Ramses Ramses Rasoel Hamidy Rina D’rita Sibagariang Rizky Janatul Magwa Robin Robin Rusliadi Rusliadi Sam Wouthuyzen Septy Heltria Siswanta Kaban Sofian, Alifa Khansa Solekha Aprianti Soni Rohima Daulay Sonia Marta Sutikno, Sigit syaifuddin syaifuddin SYAIFUL BAHRI T. Ersti Yulika Sari Thamrin Thamrin Usman Usman Vincentius P Siregar Vini Volcherina Darlis Windarti Windarti Yossi Oktorini Yudho Harjoyudanto Yuliati Yuliati Zuchra Helwani Zuli Laili Isnaini

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