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All Journal AQUATIC SCIENCE & MANAGEMENT JURNAL ILMIAH PLATAX Jurnal Teknik Informatika JURNAL PERIKANAN DAN KELAUTAN TROPIS ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Perikanan Universitas Gadjah Mada Vivabio : Jurnal Pengabdian Multidisiplin
Wilhelmina Patty
Fakultas Perikanan Dan Ilmu Kelautan, Universitas Sam Ratulangi Manado
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Environmental Science Immunology & microbiology Library & Information Science Public Health

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Journal : AQUATIC SCIENCE

 1 
Study on the use of different light intensities on fish catch of raft lift net in Dodinga Bay, West Halmahera Regency Alwi, Djainudin; Kaparang, F. E.; Patty, Wilhelmina
AQUATIC SCIENCE & MANAGEMENT Vol 2, No 2 (2014): Oktober
Publisher : Graduate Program of Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jasm.2.2.2014.12408

Abstract

Title (Bahasa Indonesia): Kajian penggunaan intensitas cahaya lampu yang berbeda terhadap hasil tangkapan bagan perahu di perairan Teluk Dodinga, Kabupaten Halmahera Barat Raft lift net fishermen in Dufa-Dufa, Ternate City, are using the gasoline lamp “petromax”, as accessory equipment in fishing operation. In relation to its development, global energy saving and gasoline conversion to liquid petroleum gas (LPG), it is necessary to design an easier fishing technology either for energy saving, gear use efficiency or economic efficiency in association with utilization time and fish catch increment. The study was aimed at 1) determining the different effect of Tornado Cool light on number of fish and fish species; 2) studying the optimal light intensity for raft lift net fishing operation. Results showed that total fish catches of each light intensity treatment were 867.3 kg for TC10 (240 watts), 1,500 kg for TC8 (192 watts), and 804 kg for TC6 (144 watts), respectively. Five fish species were caught: anchovy (Stelophorus sp.), 56.62%, sardine (Sprateloides delicatulus), 35.03%, long-jawed mackerel (Rastrelligger kanagurta), 4.80%, squid (Loligo sp.), 3.05%, scad (Selaroides sp.), 0.50%. The statistical test indicated no significant difference between mean catch of different light intensity treatments. Nelayan bagan perahu di Kelurahan Dufa-Dufa Kota Ternate yang beroperasi di perairan Teluk Dodinga masih mengandalkan lampu petromaks sebagai alat bantu penangkapan ikan. Sejalan dengan berkembangnya penghematan energi secara global dan dengan adanya konversi minyak tanah ke gas, maka perlu didesain teknologi yang lebih mudah baik dalam rangka penghematan energi, efisien dalam penggunaan alat dan ekonomis yang dihubungkan dengan waktu penggunaan serta dapat meningkatkan hasil tangkapan maka, penelitian ini bertujuan untuk; 1) Mengetahui pengaruh intensitas yang berbeda dari lampu Tornado Cool terhadap jumlah dan jenis hasil tangkapan, 2) Mengkaji intensitas yang sesuai untuk pengoperasian Bagan perahu. Hasil penelitian menunjukkan bahwa jumlah total hasil tangkapan yang diperolah masing-masing perlakuan lampu dengan intensitas cahaya yang berbeda yaitu TC10 (240 watt) sebesar 867,3 kg, TC8 (192 watt) 1500 kg, dan TC6 (144 watt) 804 kg. Terdapat 5 jenis ikan yang tertangkap dengan komposisi yakni Teri (Stelophorus sp) 56,62%, Sarden (Sprateloides delicatulus) 35,03%, Kembung (Rastrelligger kanagurta) 4,80 %, Cumi (Loligo sp) 3,05% dan Selar (Selaroides sp) 0,50%. Berdasarkan hasil uji statistik tidak ada perbedaan yang nyata antara rata-rata hitung hasil tangkapan dari perlakuan lampu dengan intesitas cahaya yang berbeda.
The relationship between El Niño Southern Oscillation (ENSO) and oceanographic parameters in North Sulawesi waters Lasut, Astrid Y.; Patty, Wilhelmina; Warouw, Veibe; Sondakh, Calvyn A.; Bara, Robert A.; Luasunaung, Alfret; Sumilat, Deiske A.
AQUATIC SCIENCE & MANAGEMENT Vol 9, No 1 (2021): APRIL
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jasm.9.1.2021.32494

Abstract

Information about oceanographic conditions is important to determine the fertility level of waters. Oceanographic parameters in water can be influenced by global climate factors, one of them is the ENSO (El Niño Southern Oscillation) phenomenon. There have been many studies on the effect of ENSO phenomenon on oceanographic variability, but no studies have been carried out in the waters of North Sulawesi. This study aims to determine the effect of the ENSO phenomenon on the variability distribution of oceanographic parameters in North Sulawesi waters. The data used for this study were Sea Surface Temperature (SST) and chlorophyll-a from the AQUA-MODIS imaging results, wind reanalysis results from ECMWF, and Nino 3.4 index as an indicator of ENSO from NOAA. The data were processed and analyzed using quantitative analysis methods in the form of graphics. The results showed an indirect effect of the ENSO phenomenon on SST parameters and chlorophyll-a. This is because the effect of the ENSO phenomenon occurred in a certain period:  when strong El Niño triggered low temperatures of sea surface and high chlorophyll-a, and when La Niña was strong it triggered high temperatures of sea surface and low chlorophyll-a. Meanwhile, the wind speed pattern showed an insignificant effect because the wind speed was still dominated by the influence of the monsoon pattern.Indonesian title: Hubungan antara El Niño Southern Oscillation (ENSO) dan parameter oseanografi di perairan Sulawesi Utara
Impact of tropical cyclone Amang on variability of wind speed, salinity, sea surface temperature, and their relationship to chlorophyll-a in sea waters of Sangihe Island Rachim, M. Hatta; Schaduw, Joshian N.W.; Wantasen, Adnan S.; Patty, Wilhelmina; Ngangi, Edwin L.A
AQUATIC SCIENCE & MANAGEMENT Vol 9, No 2 (2021): OCTOBER
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jasm.v9i2.34589

Abstract

High concentrations of chlorophyll-a can be used to predict where fish gather. On the other hand, tropical cyclones are one of the triggering factors for vertical stirring and upwelling that cause fertility of waters. The Sangihe Island area is not an effective area for the formation of tropical cyclones. However, due to its geographical location with a tropical cyclone area and trajectory, the potential for disturbances caused by cyclones is impactful on Sangihe Island. The distribution of wind speed, salinity, sea surface temperature and chlorophyll-a concentration can be detected by satellite remote sensing imagery. This study aims to analyze the impact of Tropical Cyclone Amang on the variability of wind speed, salinity, sea surface temperature and on the concentration of chlorophyll-a in Sangihe Island. This study useswind speed, salinity, sea surface temperature and chlorophyll-a data during the Amang Tropical Cyclone (January 6-27, 2019) from the AQUA-MODIS satellite imagery. The results show that the relationship between wind speed and chlorophyll-a concentration has impact on other parameters where both parameters showed a strong correlation value. It was also showed on the relationship between sea surface temperature and chlorophyll-a.However, the relationship between salinity and chlorophyll-a concentration showed lowest effect among those parameters.Indonesian title: Dampak siklon tropis Amang terhadap variabilitas kecepatan angin, salinitas, suhu permukaan laut, dan hubungannya dengan klorofil-a di perairan laut Pulau Sangihe
Co-Authors A.A. Ketut Agung Cahyawan W Adnan Wantasen Adrie A. Tarumingkeng Adrie Tarumingkeng Agustinus Jacobus Alfret Luasunaung Andika La Ode Andri Ramdhani Angmalisang, Ping Astony Anindito Leksono Bakri, Abu Buana, Muhammad Candra Calvyn F. A. Sondak, Calvyn F. A. Deiske Adeliene Sumilat, Deiske Adeliene Djainudin Alwi, Djainudin Donny Tulengen Dringhuzen J. Mamahit Edwin D Ngangi Emil Reppie Emil Reppie F. E. Kaparang, F. E. Fanny Silooy Fycki Fendi Imbir, Fycki Fendi Gaspar Manu Gohao, Leonard H. Bawuno Husain, Herianto Inneke F. M Rumengan Johnny Budiman Johny Budiman Johny Wenno Joice R.T.S.L Rimper Joshian N.W. Schaduw Kalangi, Patrice Nelson I. Kurniati Kemer Laian, Natalis Lasut, Astrid Y. Lit Nickson Dey Lumuindong, Frans Manu, Lusia Notanubun Julianus Nurmeilita Taher Pamikiran, Revols Dolfi Ch Pangalila, Fransisco Patrice N.I. Kalangi Rachim, M. Hatta Rangan, Jety K. Ricky Daniel Aror Robert A. Bara Rose O. S. E. Mantiri, Rose O. S. E. Sherwin R.U.A Sompie Sompie, Sherwin Tarumingkeng, Theofilio Veibe Warouw Yulita Anggaseng