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All Journal JFMR (Journal of Fisheries and Marine Research) Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Berdikari: Jurnal Pengabdian Masyarakat Indonesia Jurnal Perikanan JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Reswara: Jurnal Pengabdian Kepada Masyarakat ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

John Dominggus Kalor

Program Studi Ilmu Kelautan, Jurusan Ilmu Kelautan Dan Perikanan, FMIPA Universitas Cenderawasih

Author-ID : 3333058

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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NITRATE AND PHOSPHATE DISTRIBUTION RELATED TO FITOPLANKTON ABUNDANCE IN EAST YAPEN COASTAL WATER John Dominggus Kalor; Kalvin Paiki
JFMR (Journal of Fisheries and Marine Research) Vol 1, No 2 (2017): JFMR VOL 1 NO 2
Publisher : JFMR (Journal of Fisheries and Marine Research)

The waters of Yapen Timur in Yapen Islands, Papua are semi-open waters with high potential natural resources. Recent research on chemical and biological parameters more specifically of nutrient concentration and phytoplankton abundance is still very limited. The study aimed to observe the concentration of nutrients (nitrates and phosphates), and their relation with the abundance of phytoplankton in Yapen Timur waters, was conducted on January 5Th to February 5th, 2016. Using explorative method and purposive sampling method, with 15 sampling points. Data analysis using Spectrophotometer at wavelength 545 nm for nitrate and 885 nm, whereas for phytoplankton abundance use APHA equation. Spatial distribution of nitrate, phosphate and phytoplankton abundance using kriging-method equation and Software Ermaper 7.0. Nitrate concentrations were found to be between 0.2 mg - 0.7 mg / l, phosphates ranging from 0.2 to 0.6 mg / l and the abundance of phytoplankton ranged from 49,682 to 139,490 ind / l. The correlation coefficient analysis indicates the relationship between nitrite and phytoplankton of 0.3947, phosphate and phytoplankton of. 0.0068. The concentration of nitrate and phosphate at the observation site indicated that the water quality belongs to the oligotrophic waters, the abundance of phytoplankton is high and there is no blooming in certain species, and the relationship between the nitrate and phosphate concentration is positively correlated with the abundance of phytoplankton at the observation site.

KEMAMPUAN ZOO-TEKNIK LARVA IKAN GABUS (Oxyeleotris heterodon Weber, 1908) DALAM UPAYA DOMESTIKASI IKAN ENDEMIK DANAU SENTANI John Dominggus Kalor; Galuh P.W. Utami; Isdy Sulistyo; Suhestri Suryaningsih
JFMR (Journal of Fisheries and Marine Research) Vol 2, No 1 (2018): JFMR VOL 2 NO 1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Penelitian ini dilakukan untuk mengetahui kemampuan zooteknik larva ikan gabus Sentani, dengan mengamati volume dan penyusutan kuning telur (yolk), perkembangan bukaan mulut, laju pertumbuhan spesifik, dan tingkat mortalitas larva, serta pakan yang cocok untuk ikan gabus Sentani pada stadia larva. Menggunakan metode eksperimen dengan Rancangan Acak Lengkap (RAL). Perlakuan yang digunakan adalah pemberian pakan berupa (P1) kuning telur, (P2) tepung spirulina, (P3) biofloc, (P4) infusoria, (P5) Naupli Artemia, dan (P6) pakan buatan (pellet). Hasil penelitian menunjukan bahwa 0 jam setelah menetas larva ikan Gabus Sentani memiliki volume kuning telur (yolk) sebesar 0,0444 mm³ . Penyusutan volume kuning telur (yolk) 24 jam setelah menetas menjadi 0,0133 mm³, dan 48 jam setelah menetas menjadi 0,0043 mm³. Awal perkembangan bukaan mulut larva terjadi 24 jam setelah menetas dengan MH 45° dan MH 90° mencapai 0,13 mm dan 0,24 mm. Laju pertumbuhan spesifik menunjukan hasil terbaik pada perlakuan pakan menggunakan tepung spirulina yaitu laju pertumbuhan spesifik pada hari ke 6 mencapai 0,006 mm dan laju pertumbuhan spesifik pada hari ke 10 mencapai 0,019 mm, sedangkan pada perlakuan menggunakan kuning telur laju pertumbuhan spesifik pada hari ke 6 hanya mencapai 0,002 mm dan pada hari ke 12 mencapai 0,011 mm. Pemberian dengan 6 jenis pakan yang berbeda belum dapat menurunkan tingkat mortalitas larva ikan Gabus Sentani karena seluruh larva mati pada hari ke 13, namun larva yang diberi pakan tepung spirulina dapat hidup hingga hari ke 10 dan larva yang diberi kuning telur dapat bertahan hidup hingga hari ke 12. Jenis pakan tepung spirulina dan kuning telur memiliki kriteria yang paling sesuai sebagai pakan pada stadia larva.

Morfometrik Kerang Polymesoda erosa di Perairan Teluk Youtefa Jayapura Papua Efray Wanimbo; John Dominggus Kalor
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 1, No 2 (2018)
Publisher : ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

Perairan Teluk Youtefa berada di Kota Jayapura dan memiliki potensi sumberdaya alam yang menjanjikan. Salah satu sumber daya alam adalah kerang Polymesoda erosa. Habitat hidup kerang ini di sela-sela akar mangrove pada substrat lumpur, lumpur berpasir dan serasah mangrove. Akibat pengumpulan kerang yang tidak terkontrol oleh nelayan, menyebabkan jumlah kerang P. erosa di perairan Teluk Youtefa semakin menurun atau habis dari habitat hidupnya. Tujuan penelitian ini adalah mengetahui hubungan antara panjang cangkang, lebar cangkang dan faktor kondisi. Sampel kerang dikumpulkan dari tiga stasiun penelitian dengan jumlah sampel 113 individu. Hubungan morfometrik dianalisis menggunakan regresi linear dengan parameter frekuensi panjang kelas, dimensi cangkang dan faktor kondisi kerang. Hasil penelitian menunjukan frekuensi panjang kelas tertinggi berada pada ukuran 50,56 mm – 56,56 mm. Hubungan morfometrik panjang berat cangkang berkorelasi kuat positif dengan pola pertumbuhan alometrik negatif, isometrik dan alometrik positif untuk tiap stasiun. Faktor kondisi di stasiun satu adalah hubungan kuat atau besar dengan ukuran kerang P. erosa pipih, sementara stasiun dua dan tiga berukuran kecil atau kerang kurang pipih.Kata Kunci: Morfometrik; Faktor kondisi; Polymesoda erosa; Teluk Youtefa.

Resensi Sumber Daya Perikanan Zona Ekoton Ekosistem Mangrove-Lamun Di Teluk Youtefa Kota Jayapura Provinsi Papua John Dominggus Kalor; Kalvin Paiki
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 4, No 1 (2021)
Publisher : ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

Mangrove and seagrass ecosystems have important functions and roles in coastal and marine waters, as an ecological buffer system, habitat for various types of fish and aquatic biota, as well as a biosystem of energy flow for the aquatic environment in Youtefa Bay, Jayapura. This study was conducted to calculate and review the mangrove and seagrass ecosystem fisheries affected by ecosystem damage and pollution. Data collection using fishing methods, vertical plankton sampling, and measurement of water quality parameters. Analysis of the data used: (1) analysis of the level of diversity using the Shannon-Wiener index, (2) analysis of dominance, (3) analysis of species composition (4) analysis of fish abundance, and (5) descriptive analysis. This study succeeded in obtaining 99 fish samples from 11 families and 12 fish species. The level of diversity is moderate (2.21) and the abundance of species is 73 individuals/ha. There were 5 dominant fish species associated with the ecotone zone of mangrove and seagrass ecosystems, namely Valamungil buchanani, Chanos-chanos, Gerres oyena, Pempheris schwenkii, and Pentapodus aureofasciatus. More fish were found in the seagrass and coral reef ecotone zones, namely 180 fish individuals caught from 11 families and 17 species of fish, with a high level of diversity (2.77), an abundance of species as many as 150 individuals/ha, and no dominant species. The review study of fishery resources in the ecotone zone shows very rapid degradation and decline in diversity, composition, and abundance in the waters of the mangrove, seagrass, and reef ecosystems of Youtefa Bay, Jayapura.Key Words: Fisheries; Mangroves; Seagrass; Youtefa Bay; Jayapura

Analisis Ekologi dan Kelimpahan Ikan Karang Di Perairan Teluk Depapre, Kabupaten Jayapura Matias Dimara; Baigo Hamuna; John Dominggus Kalor; Yunus Pajanjan Paulangan
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 3, No 1 (2020)
Publisher : ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

Coral fish is one of the organisms associated with the most coral reefs and is a large organism that can be found in all coral reef habitats. This study aims to determine the diversity of reef fish, community structure, and abundance of reef fish in the Depapre Bay Waters, Jayapura Regency. This research was conducted from September to October 2017 in Serebo and Kampung Tua waters. The method used is the Underwater Visual Census method at a depth of 3 to 5 m with a transect length of 75 m and an observation width of 5 m. A total of 69 species of reef fish found at the study site consisted of 16 reef fish families. The number of reef fish species at Serebo and Kampung Tua stations is 47 species and 38 species, respectively. The diversity index of reef fish ranged from 2.8264 to 2.9615 which was classified in the medium category. The uniformity index ranges from 0.7341 to 0.8142, which indicates that the community is relatively stable. The dominance index at Serebo Station is classified as high (1.00) which indicates that there are certain species (Pomacentrus mollucensis) that dominate, while at Kampung Tua station there are no specific species that dominate with a dominance index value of 0.3256. The abundance of reef fish at Serebo station was higher at 1.8347 ind/m2 than the abundance of reef fish at Kampung Tua station which was 0.5973 ind/m2. The highest abundance of reef fish species at Serebo station was Pomacentrus mollucensis (0.3647 ind/m2), while at Kampung Tua station was Ctenochaetus striatus (0.1333 ind/m2).Keywords: Reef fish; Coral reef; Underwater Visual Census; Community structure; Depapre Bay

Komposisi, Kelimpahan dan Nilai Ekonomi Ikan Target Di Ekosistem Mangrove Teluk Demta, Kabupaten Jayapura Muhammad Zulfikarrahman; John Dominggus Kalor; Baigo Hamuna
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 3, No 1 (2020)
Publisher : ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

This study aims to determine the diversity, abundance, and economic value of target fish in the mangrove ecosystem of Demta Bay, Jayapura Regency, Papua Province, Indonesia. This research was conducted from August 2019 to January 2020. The research method used was the field observation method, the purposive sampling method, and the method of interviewing the community. The target fish diversity index value at all stations is 1.92. Based on the diversity index criteria it can be seen that the diversity of target fish in the mangrove ecosystem of Demta Bay is classified as moderate. The results of data analysis obtained the value of abundance from all stations is 1086.67. The target fish diversity value and the target fish abundance value indicate that the number of target fish groups in the waters of Demta Bay is quite good. There are several species of target fish that have high prices, namely Ephinephelus quoyanus with the local name Uwga and Cephalopholis microprion with the local name Padamuw. Besides, there are also several species of target fish that have a fairly low selling price, including Pristiapogon fraenatus (Dakai Tipir), Nematolosa come (Pylair), Lactarius lactarius (Lema), Leighnathus equluus (Awara), Valamugil buchanani (Amakai) and Upeneus vittatus (Marep).Keywords: Diversity index; Economic value; Fish target; Demta Bay

Analisis Kadar Air, Lemak, Protein dan Uji Organoleptik Pada Ikan Tuna (Katsuwonus pelamis, L) John Dominggus Kalor; Betinia Susanti Runggamusi; Basa T Rumahorbo
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 4, No 2 (2021)
Publisher : Cenderawasih University

Research Research on the analysis of water content, fat, protein, and organoleptic tests of grilled tuna and smoked tuna (Katsuwonus pelamis L) was carried out using experimental methods, which consisted of determination of water content, determination of fat content, determination of protein content, and organoleptic test. Data were analyzed quantitatively. The results obtained that the water content of asar tuna or grilled tuna is 60.85% and smoked tuna is 59.29%. The fat content of grilled tuna is 3.92% and smoked tuna is 1.45%. The protein content of grilled tuna obtained was 38.02% and smoked tuna was 53.87%. Meanwhile, the organoleptic test (preference) on the texture, taste, aroma, and color of grilled tuna and smoked tuna showed that smoked tuna had a higher level of preference than grilled tuna.Key Words: Water content; Fat; Protein; Organoleptic test; Katsuwonus pelamis

Analisis Kesesuaian dan Daya Dukung Kawasan Wisata Pantai Hamadi Kota Jayapura Aldia Rante Limbong; John Dominggus Kalor; Baigo Hamuna
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 2, No 2 (2019)
Publisher : ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua

Hamadi Beach is one of the beaches that is quite popular among the Jayapura community. However, there is no data and information or adequate scientific studies regarding the level of suitability of the area and carrying capacity of the environment so that it is feared that it can affect the comfort and safety of visitors, which is actually a reference in the management and development of a tourist area, so that sustainability is also constant maintained and can be sustainable. The purpose of the study was to determine the level of suitability of the Hamadi Beach area as a tourist location at Jayapura City and find out the carrying capacity of the Hamadi Beach Tourism Area. The research was conducted in December 2018 to May 2019 in the coastal tourism area of Hamadi, Tobati Village, South Jayapura District, Jayapura City, Papua Province. The method used is the method of observation and literature. The results obtained from the study showed that the suitability level of the Hamadi Beach area as a tourist location in Jayapura City with the tourist suitability index at station 1 was 91.43% (S1 category or highly suitable), station 2 was 91.43% (S1 category or highly suitable) and station 3 is 74.29% (S2 category or suitable), with the average suitability value of all stations is 85.72% classified as S1 category or highly suitable. The carrying capacity of the Hamadi Beach Tourism Area is 9,117 people/day, of which 5,736 people/day for swimming activities and 3,381/day for beach recreation activities.Key Words: Suitability; Carrying capacity; Recreation; Hamadi beach

Strategi Penanggulangan Pencemaran Sampah Plastik di Perairan Teluk Youtefa Kota Jayapura Papua John Dominggus Kalor; Efray Wanimbo; Poppy Ida Ayer
JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Vol 2, No 3: Agustus (2021)
Publisher : ICSE (Institute of Computer Science and Engineering)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/jpkmi.v2i3.182

Abstrak: Perairan Teluk Youtefa telah mengalami pencemaran limbah cair maupun limbah padat. Salah satu limbah padat yang mengganggu estetika perairan dan fungsi ekologis adalah sampah berbahan plastik. Pencemaran oleh sampah plastik ini harus dikendalikan agar tidak menjadi toksik di perairan Teluk Youtefa. Penanggulangan pencemaran, harus dimulai oleh penduduk yang mendiami kawasan pesisir laut Teluk ini. Tujuan kegiatan pengabdian ini adalah meningkatkan kesadaran kepada masyarakat dan membentuk kelompok yang aktif memonitoring laut. Kegiatan Pengabdian Kepada Masyarakat dibagi menjadi tiga tahapan yaitu tahapan Sosialisasi, Fokus Grup Diskusi (FGD) dan Tindak Lanjut (bersih pantai). Hasil kegiatan pengabdian ini berhasil membentuk dan menetapkan kelompok jaga laut, dan ditetapkan menjadi program kerja tahunan Kampung (desa) Enggros yang berfungsi monitoring perairan Teluk Youtefa. Selain itu masyarakat sangat puas dengan kegiatan pengabdian ini dan menginginkan kegiatan serupa dilakukan untuk lebih meningkatkan kesadaran masyarakat yang hidup di wilayah pesisir perairan Teluk Youtefa.Abstract: Youtefa Bay waters have been polluted by liquid waste and solid waste. One solid waste that interferes with aesthetics and ecological functions is plastic waste. This pollution by plastic waste must be controlled so that it does not become toxic in the waters of Youtefa Bay. Therefore, tackling pollution must be started by the people who live in this coastal area of the Gulf. This service activity aims to increase awareness in the community and form an active group in monitoring the sea. Community Service Activities are divided into three stages: socialization, focus group discussion (FGD), and follow-up (clean beaches). The results of this service activity succeeded in forming and establishing a marine guard group. It was determined to be the annual work program of the Enggros Village, which functions to monitor the waters of Youtefa Bay. Also, the community is delighted with this service activity and wants similar activities to be carried out to increase the awareness of people who live in the coastal areas of Youtefa Bay waters.

Mangrove ecosystem conservation strategy againts tsunami threats at Holtekamp John Dominggus Kalor; Baigo Hamuna
Berdikari: Jurnal Pengabdian Masyarakat Indonesia Vol. 1 No. 2 (2018): Berdikari: Jurnal Pengabdian Masyarakat Indonesia
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.475 KB)

Tsunami disaster has occurred in Jayapura coast for several times (1952, 1960, 1970, 1996, and the last one in 2011). The mangrove ecosystem, a natural fortress, is very strong against the Tsunami waves. This study aims to implement and develop a conservation program for mangrove ecosystems in which to prevent and minimize the impact of the Tsunami disaster in Youtefa Bay, Jayapura City. This research was conducted on 2-6 July 2018 at Holtekamp Teluk Yotefa, Jayapura. There were three main activities: (1) mapping locations prone to tsunamis in the Holtekamp coast, (2) FGD (3) declarating of mangrove conservation activities and evalution. The level of understanding of the Holtekamp Village community represented by 21 participants was obtained at the beginning of the activity 95.2% of the people who understood the importance of the mangrove ecosystem. As many as 85.7% of participants were committed and able to protect, planted and managed mangrove forests again to ensure the Holtekamp area is safe and free from tsunami threats. The observation result showed that the people of Holtekamp village were able to develop a system and prevent the impact of the tsunami disaster through the green lines of mangrove vegetation, as well as maintaining the integrity of the mangrove ecosystem in Youtefa Bay Jayapura.

Co-Authors Agustinus Satrio Supoyo Aldia Rante Limbong Andre Anusta Barus Baigo Hamuna Baigo Hamuna Baigo Hamuna Basa T Rumahorbo Betinia Susanti Runggamusi Claudius Hendraman B. Tobi Efray Wanimbo Ervina Indrayani Eva Susanty Simaremare Felycitae Ekalaya Appa Galuh P.W. Utami Gunawan, Elsye Isdy Sulistyo Kalvin Paiki Lisiard Dimara Matias Dimara Muhammad Zulfikarrahman Mustika Endah Pratiwi Ottouw G. Swabra Popi Ida Laila Ayer Suharno Suharno Suhestri Suryaningsih Vyona Mantayborbir Vyona Mantayborbir Yuliana Ruth Yabansabra Yunus Pajanjan Paulangan Yunus Pajanjan Paulangan Yusak Maryunianta

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