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All Journal e-Journal BUDIDAYA PERAIRAN JURNAL ILMIAH PLATAX
Indra R.N. Salindeho
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Environmental Science

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Produksi Eucheuma spp. di Sentra Akuakultur Provinsi Sulawesi Utara tahun 2023 Usoh, Yosua; Salindeho, Indra R.N.; Mudeng, Joppy D.; Ngangi, Edwin L. A.; Kreckhoff, Reni L.; Tumembouw, Sipriana S.
e-Journal BUDIDAYA PERAIRAN Vol. 12 No. 2 (2024): Juli - Desember
Publisher : Universitas Sam Ratulangi

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Abstract

This study aimed to determine the seaweed production in North Sulawesi Province in 2023 and to find out the technical and non-technical factors that affect Eucheuma production in North Sulawesi. Data were collected by a survey through questionnaires, from existing records at related institutions as well as direct interviews with the farmers.  The results showed that the total Eucheuma production in North Sulawesi Province in 2023 only came from the production in North Minahasa Regency, namely Nain Village as much as 473.76 tons,  Nain Satu was 234.36 tons and Mantehage II Tangkasi  was 131.4 tons. Thus, the total seaweed production for North Sulawesi province for 2023 was  839.52 tons. Technical and non-technical factors that influenced production were the lack quality of seaweed seeds, polluted sea waters, unpredictable weather, pests and disease attacks that have not been resolved, lack of adequate cultivation facilities and infrastructure, lack of qualified human resources (HR), limited capital and seaweed prices. Keywords: Seaweed, Nain Induk, Nain Satu, Mantehage II Tangkasi.
Kultivasi rumput laut Caulerpa lentillifera menggunakan berat awal berbeda dengan metode rawai permukaan Mamesah, Jeivana F.T; Mudeng, Joppy D.; Ngangi, Edwin L. A.; Kreckhoff, Reni L.; Salindeho, Indra R.N.; Sambali, Hariyani; Mokolensang, Jeffrie F.
e-Journal BUDIDAYA PERAIRAN Vol. 13 No. 1 (2025): Jan - Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.v13i1.60331

Abstract

The research purposes were to determine the best initial weight of Caulerpa lentillifera algae, determine the appropriate cultural operational depth for the best growth of C.lentillifera algae, and determine the interaction between the initial weight factor of C.lentillifera algae and the depth factor of growth. This research was carried out from May to July 2023. The C. lentillifera algae in this research were obtained from nature. C.lentillifera algae culture is carried out using the verticulture method, namely tying the algae to strings arranged in a row. This research was designed using a 3x3 factorial in a Completely Randomized Design (RAL). There are 2 factors tested in this experiment, each of which has 3 levels, namely: the weight factor of C. lentillifera algae which consists of: A1 = 50 grams, A2 = 100 grams and A3 = 150 grams, and the depth factor which consists of: B1 = 20 cm, B2 = 70 cm and B3 = 120 cm. The results obtained from this research are that differences in the growth of C. lentillifera algae are very significantly influenced by differences in the initial weight of different. The best absolute growth, relative growth, and daily growth rate were initial C. lentillifera algae weights of 50 grams, which respectively had the highest average values of 24.3 grams, 16.2%, and 1.4%. Differences in depth had no significant influence on differences in absolute growth, relative growth, and daily growth rate of the algae C. lentillifera. The results of variance analysis showed that the influence of the weight factor of C. lentillifera on absolute growth, relative growth, and daily growth rate did not change significantly when the depth factor level was changed. Keywords: verticulture; growth; initial weight; depth
Induction Time And Sedative (Recovery) Time In Closed System Transportation Of Tawes Fish (Barbonymus gonionotus) Anesthetized With Clove Oil At Different Temperatures Saragih, Debby Dyanessa; Ngangi, Edwin L.A.; Pangkey, Henneke; Sumilat, Deiske Adeliene; Salindeho, Indra R.N.; Kreckhoff, Reni Lusia; Kusen, Diane Joula
Jurnal Ilmiah Platax Vol. 13 No. 1 (2025): ISSUE JANUARY-JUNE 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v13i1.60961

Abstract

The conservation of tawes fish (Barbonymus gonionotus) is carried out through aquaculture and restocking, where seed transportation is a crucial factor affecting survival rates. Mishandling during transport can increase stress, metabolism, and mortality risk. Reducing stress during transport can be achieved by using natural anesthetic agents such as clove oil (Eugenia aromatica) and low-temperature regulation. This study aims to analyze the effects of clove oil dosage and temperature on the induction time and recovery of tawes fish seeds. The experiment was designed using a completely randomized design (CRD) with two factors: clove oil dosage (0 ppm, 5 ppm, 10 ppm) and temperature (16–19°C and 24–27°C), with 18 experimental units (3 replications). Data were analyzed using ANOVA (JMP-SAS). The results showed that combining clove oil and temperature significantly affected induction and recovery times. The 10 ppm clove oil treatment at 16–19°C resulted in the fastest induction time, while the 0 ppm treatment at 24–27°C led to the fastest recovery. The interaction between these factors demonstrated that clove oil significantly influenced the fish's response to temperature changes. Keywords: tawes fish seed, transportation, temperature, clove oil, induction, sedative.   Abstrak   Pelestarian ikan tawes (Barbonymus gonionotus) dilakukan melalui budidaya dan restocking, di mana transportasi benih menjadi faktor krusial yang memengaruhi tingkat kelangsungan hidupnya. Kesalahan dalam penanganan dapat meningkatkan stres, metabolisme, dan risiko kematian benih. Upaya menekan stres selama transportasi dilakukan dengan penggunaan agen pembius alami, seperti minyak cengkih (Eugenia aromatica) dan pengaturan suhu rendah.Penelitian ini bertujuan menganalisis pengaruh dan dosis minyak cengkih serta suhu terhadap waktu induksi dan pemulihan (recovery) benih ikan tawes. Percobaan menggunakan rancangan acak lengkap (RAL) dengan dua faktor: dosis minyak cengkih (0 ppm, 5 ppm, 10 ppm) dan suhu (16–19°C dan 24–27°C), dengan 18 unit percobaan (3 ulangan). Data dianalisis menggunakan ANOVA (JMP-SAS).Hasil penelitian menunjukkan bahwa kombinasi minyak cengkih dan suhu berpengaruh signifikan terhadap waktu induksi dan pemulihan benih. Perlakuan 10 ppm minyak cengkih pada suhu 16–19°C menghasilkan waktu induksi tercepat, sedangkan tanpa minyak cengkih pada suhu 24–27°C mempercepat pemulihan. Interaksi kedua faktor ini menunjukkan bahwa minyak cengkih secara nyata mempengaruhi respons ikan terhadap perubahan suhu. Kata kunci: benih tawes, transportasi, suhu, minyak cengkih, induksi, sedatif.
Co-Authors Ali Djamhuri Budikase, Arter Cyska Lumenta Deiske Adeliene Sumilat, Deiske Adeliene Edwin D Ngangi Firamitha Suban Franklin R. Safsafubun Gerung, Pramulya R.A Ginting, Elvi L. Hengky J. Sinjal, Hengky J. Henneke Pangkey Henneke Pangkey Inneke F. M Rumengan Joppy Mudeng Juliaan Ch. Watung Kreckhoff, Reni L. Kusen, Diane Joula Makasangkil, Lestari Mamesah, Jeivana F.T Marthin, Lutfi Mokolensang, Jeffrie F. Novie P. L. Pangemanan Novie P.L. Pangemanan Ockstan J. Kalesaran Pangemanan, Novie P.L. Reiny A. Tumbol Sambali, Hariyani Sammy N.J. Longdong Saragih, Debby Dyanessa Sipriana S. Tumembouw Sitaba, Rifan D. Suzanne L Undap Suzanne L. Undap Tatalede, Putri A. Telaumbanua, Beatus H. Usoh, Yosua