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NIKe Jurnal Ilmiah Perikanan dan Kelautan | Fisheries and Marine Scientific Journal
Published by Universitas Negeri Gorontalo
ISSN : 23032200     EISSN : 27225836     DOI : https://doi.org/10.37905/.v0i0.6885
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science Social Sciences
The NIKe Journal is published by the Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo. The NIKe Journal publish quarterly on March, June, September and December. Publishing research results in the fields of fisheries and marine science: management of aquatic resources; aquaculture; capture fisheries; and socio-economic-cultural affairs of coastal communities.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 272 Documents
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Komposisi Jenis dan Kerapatan Lamun (Seagrass) di Perairan Desa Tapadaa Kecamatan Botumoito Kabupaten Boalemo Antadi, Mohamad Rijal; Habibie, Sitty Ainsyah; Kasim, Faizal
The NIKe Journal VOLUME 13 ISSUE 1 | MARCH 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i1.30547

Abstract

Seagrass is a high-level flowering plant (angiospermae) that lives in shallow waters up to a depth of 50-60 meters and can even reach a depth of 90 meters, with the highest abundance in the tidal zone. Tapadaa Village, located in Botumoito District, Boalemo Regency, is a coastal area with high seagrass ecosystem potential. Local people use seagrass beds for various economic activities such as collecting gastropods (snails) and sea cucumbers, fishing, and as a boat mooring area. However, these activities can potentially threaten seagrass's survival in the area. This study aims to identify the types of seagrasses and calculate their composition and density in the waters of Tomini Bay, Tapadaa Village. The study was conducted in May 2024 using a 50x50 cm quadrant method. The data collected includes species composition and seagrass density. The results of the study showed that there were nine types of seagrasses in the waters of Tomini Bay, Tapadaa Village, namely Cymodocea rotundata, Cymodocea serrulata, Enhalus acoroides, Halodule pinifolia, Halodule uninervis, Halophila ovalis, Syringodium isoetifolium, Thalasia hemprichi, and Thalassodendron ciliatum. The most dominant species was Halodule pinifolia (37.18%), followed by Cymodocea rotundata (30.06%). Meanwhile, the species with the lowest composition was Enhalus acoroides (0.14%). The total density of seagrass reached 5.403.16 ind/m². These findings are expected to provide vital information for conservation efforts and management of seagrass ecosystems in the area.
Strategi Penanganan Abrasi Berbasis Analisis Spasial di Pesisir Pantai Kecamatan Wonomulyo, Kabupaten Polewali Mandar Asri, Haryanto; Jarir, Dewi Virgiastuti; Kamaruddin, Kamaruddin; Irna, Irna
The NIKe Journal VOLUME 13 ISSUE 1 | MARCH 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i1.31260

Abstract

This study aims to analyze the rate of coastal abrasion and to formulate management strategies based on spatial and participatory approaches along the coastline of Wonomulyo District. The methods used include spatial analysis of shoreline changes from 2015 to 2025, field observations, and a SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis to develop adaptive and context-specific strategies. The mapping results reveal that a significant portion of the coastline has experienced considerable abrasion, particularly in zones 84 to 86, where the shoreline has shifted most drastically inland. The novelty of this research lies in the integration of spatial abrasion data as a primary foundation for constructing practical management strategies. Unlike previous studies that primarily focused on mapping and identifying vulnerable zones, this research advances a zoning-based approach that incorporates technical, ecological, and social considerations. Four main strategies are proposed: (1) ecosystem-based restoration of coastal vegetation; (2) reinforcement of physical structures collaboratively designed and maintained with local communities; (3) enhancement of community capacity through training and assistance; and (4) institutional collaboration among government bodies, academics, and local conservation groups. The study concludes that effective abrasion management requires an integrated and participatory approach. Key recommendations include the need for regular mapping, strengthening of local capacities, and inter-institutional synergy in efforts to mitigate coastal abrasion.
Perbandingan Produksi Tangkapan dan Pendapatan Nelayan Nike di Teluk Gorontalo Menggunakan Alat Tangkap Tagahu dan Totalu’o Rahim, Fadhilah Apriliyani; Yusuf, Mohamad Iqbal; Nusi, Ibrahim A.; Pasisingi, Nuralim; Habibie, Sitty Ainsyah
The NIKe Journal VOLUME 13 ISSUE 1 | MARCH 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i1.31321

Abstract

This study aimed to compare the production of nike in Gorontalo Bay using Tagahu and Totalu'o fishing gear. This research was conducted during 2 months of the fishing season, June and July. Data collection included observation and interviews using structured questionnaires with nike fishermen in Gorontalo Bay, Tomini Bay. The study results revealed that the total catches per fishing season by fishermen using Tagahu in June was 1,683 kg and in July it reached 1,360 kg, while the catch using Totalu'o was much less, only 433 kg in June and 380 kg in July. The fishermen total income in June who operated Tagahu was IDR 636,562 to IDR 1,117,812 per trip, while for fishermen operated Totalu'o fishing gear it ranged from IDR 1,305,375 to IDR 1,764,750 per trip. Meanwhile, the total income per trip by the fishermen in July who functioned Tagahu was IDR 537,857 to IDR 1,178,125. While for fishermen of Totalu'o fishing gear it was IDR 1,692,750 to IDR 2,343,375.
Pengaruh Air Perasan Wortel Terhadap Warna Ikan Mas Koki (Carrassius auratus) Naipospos, Jogi; Mulis, Mulis; Suherman, Sutianto Pratama
The NIKe Journal VOLUME 12 ISSUE 4 | DECEMBER 2024
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v12i4.21612

Abstract

Color is one of the reasons ornamental fish are in demand by the community, so farmers need to maintain the color of ornamental fish. This study aims to determine the effect of carrot juice on the color of goldfish. This research was conducted from December to January 2023. The method used was an experimental method with Complete Randomized Design (RAL) with four treatments and three repeats in each test group. Testing is carried out by giving feed with a mixture of carrot juice with different doses. The results showed that the color values in goldfish were different, namely, P0 treatment without giving carrot juice with a color value of 18.54, P1 treatment (10 g/100 ml aquades) with a color value of 18.4, P2 treatment (20 g/100 ml) with a color value of 19.35, P3 treatment (30 g/100 ml) with a color value of 17.67. Analysis of Variance (ANOVA) showed that the effect of carrot juice on the color of goldfish had no significant effect on each treatment with FHitung (0.11) > FTabel (4.07). Water quality parameters during the study were still in normal conditions for the growth of goldfish.
Kondisi Ekologis Padang Lamun Berdasarkan Jenis, Kerapatan dan Penutupan di Pantai Pengastin, Bali Manurung, Patardo Zerubabel Williford
The NIKe Journal VOLUME 13 ISSUE 1 | MARCH 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i1.27194

Abstract

Pengastian Beach is one of the beaches with high tourism activity and ongoing development that may potentially disrupt the condition of seagrass vegetation. This study aims to assess the ecological condition of seagrass beds at Pengastian Beach by evaluating species diversity, density, and percentage cover. The research was conducted using a 50 x 50 cm quadrat transect method at 33 sampling points across 3 stations, with each station containing 11 points. Three seagrass species were identified: Syringodium isoetifolium, Cymodocea rotundata, and Thalassia hemprichii. Seagrass density ranged from 321 to 900 individuals per square meter (ind/m²). The percentage of seagrass cover ranged from 0 to 15%, indicating that the seagrass beds are in a very poor condition. The average temperature at Pengastian Beach ranged from 28.4°C to 28.8°C. The beach has a low salinity level of 20 ppt. The current velocity ranged from 1.2 to 1.5 meters per second. Water clarity was recorded at 95%, and the water depth was measured at 92 cm. The pH levels ranged from 8.08 to 8.12. The results show that the seagrass species Thalassia hemprichii had a very low density, while Syringodium isoetifolium had the highest density among the observed species. Ecologically, Pengastian Beach is experiencing environmental stress and requires sustainable management.
Jenis–Jenis Kayu dan Perhitungan Volume Bahan Pembuatan Kapal Nelayan di Kecamatan Batuda Pantai Kabupaten Gorontalo Thalib, Rini; Salam, Aziz; Panigoro, Citra
The NIKe Journal VOLUME 13 ISSUE 2 | JUNE 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i2.33824

Abstract

This study aims to determine the types of wood used for making fishing boats and how to calculate the volume of wood needed for their manufacture in Olimoo'o Village and Kayubulan Village, Batudaa Pantai District, Gorontalo Regency. This study was conducted from March to September 2024 using a survey method. This study included measuring 50 boat samples, each sample divided into 25 boat samples in Kayubulan Village and 25 samples in Olimoo'o Village. The results showed that the types of wood used by boat craftsmen in making boats in Batudaa Pantai District, especially in the research location, namely Olimoo'o Village and Kayubulan Village, mostly used Nantu wood, namely from 50 sample boats, 17 boats used Nantu wood. Using Tindilo wood (5 boats), Wulu wood (7 boats), Wabo'o wood (6 boats), Binggile wood (5 boats), Talanggilala wood (5 boats), and Teak wood (5 boats). These seven types of wood are highly sought after by fishermen due to their high quality for boat construction. To estimate the wood requirements for boat construction, the plank volume and the length and diameter of the mahera were calculated using the plank volume coefficient (Cp), the mahera length coefficient (Cpm), and the mahera diameter coefficient (Cdm). The calculation results were Cp = 0.0525, Cpm = 0.9231, and Cdm = 0.7447.
Analisis Usaha Budidaya Ikan Nila (Oreocromis niloticus) Dengan Sistem Bioflok Alvionita, Mita; Yunus, Rusmiyanti; Mulis, Mulis
The NIKe Journal VOLUME 13 ISSUE 2 | JUNE 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i2.32710

Abstract

Tilapia is a fish species in Indonesia with significant economic value. Tilapia cultivation has excellent prospects, both domestically and internationally, requiring effective measures to ensure production meets community standards. The prospects for developing tilapia cultivation are quite promising, as the low production costs of tilapia farming allow for higher profits. Biofloc technology is an alternative solution to the waste problem of intensive farming. This technology is highly advantageous because it not only reduces inorganic nitrogen waste from leftover feed and feces, but also provides supplemental protein feed for farmed animals, thereby increasing growth and feed efficiency.This study aims to analyze the benefits and factors that influence the success of tilapia biofloc cultivation in SikoFish Gorontalo. This study uses a quantitative method with data collection techniques through surveys and observations. The results of the study indicate that tilapia biofloc cultivation can generate profits of Rp. 180,585,000 / harvest with a return on investment of 1.14 years. Factors that influence the success of tilapia biofloc cultivation are location selection, container preparation, media preparation, seed preparation, seed distribution, feed management, water quality management, and floc density. Therefore, it is necessary to develop business and production cost efficiency to increase income and make tilapia biofloc cultivation viable.
Perbandingan Komposisi Ikan Gobi di Sungai Bone Gorontalo pada Fase Bulan Gelap dan Bulan Terang Husain, Febrianti A; Pasisingi, Nuralim; Habibie, Sitty Ainsyah; Kasim, Faizal
The NIKe Journal VOLUME 13 ISSUE 2 | JUNE 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i2.32449

Abstract

Fase bulan merupakan faktor lingkungan alami yang memengaruhi distribusi ikan di perairan secara spasial dan temporal. Penelitian ini bertujuan untuk membandingkan komposisi dan kelimpahan ikan gobi di Sungai Bone Provinsi Gorontalo pada fase bulan gelap dan terang. Pengambilan sampel dilakukan di tiga stasiun sepanjang Sungai Bone Provinsi Gorontalo pada pukul 08.00 hingga 15.00 WITA. Waktu pengambilan sampel dilakukan pada fase bulan gelap dan terang masing-masing pada 1 Dzulhijjah 1446 Hijriyah (bulan gelap) dan pada 13 Dzulhijjah 1446 Hijriyah (bulan terang). Hasil identifikasi menunjukkan terdapat 9 spesies ikan gobi pada bulan terang dan 8 spesies pada bulan gelap, dengan Sicyopterus longifilis sebagai spesies dominan. Hal ini mengindikasikan bahwa komposisi dan kelimpahan ikan gobi di Sungai Bone Gorontalo dapat saja dipengaruhi oleh fase blulan. Namun berdasarkan uji korelasi non parametrik Spearman, tidak terdapat hubungan antara fase bulan dengan jumlah individu maupun kelimpahan relatif ikan gobi di Sungai Bone
Keanekaragaman Gastropoda Pada Habitat Karang Mati di Perairan Pulau Lahe Kabupaten Pohuwato Makmur, Khairinissa Septiany; Kadim, Miftahul Khair; Kasim, Faizal; Nasaru, Faradila Putri; Asama, Windi Deptianingsih; Hilalunga, Adelin
The NIKe Journal VOLUME 13 ISSUE 2 | JUNE 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i2.32465

Abstract

This study aims to assess the diversity, evenness, and dominance of gastropods in dead coral habitats, as well as the current environmental condition of the waters around Lahe Island, Pohuwato Regency. The research was conducted in April 2025. Gastropod sampling was carried out using the hand-picking technique during low tide conditions, employing a belt transect method measuring 50 × 3 meters across three observation stations. Water quality parameters were measured during the early stages of tidal retreat. Based on the results, gastropod species composition consisted of 34 species, 185 individuals, and 12 families (Buccinidae, Columbellidae, Conidae, Cypraeidae, Mitridae, Muricidae, Nassariidae, Pisaniidae, Strombidae, Tegulidae, and Turbinidae). The Shannon diversity index (H’) at all observation stations was < 2, indicating low diversity. The Simpson dominance index (D) at all stations was < 1, suggesting a high level of dominance. The evenness index (Ep) showed values approaching 0, indicating low species evenness. The water conditions around Lahe Island, Pohuwato Regency, indicate a moderate level of pollution based on the Shannon diversity index (H’), yet still support the survival of marine biota.
Analisis Sumberdaya Ikan Tongkol (Euthynnus affinis) di Perairan Kabupaten Boalemo sebagai Dasar Pengelolaan Perikanan Berkelanjutan Baruadi, Alfi Sahri
The NIKe Journal VOLUME 13 ISSUE 1 | MARCH 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i1.32453

Abstract

Ikan Tongkol (Euthynnus affinis) merupakan jenis pelagis kecil yang banyak ditangkap oleh nelayan lokal Kabupaten Boalemo dan memiliki nilai ekonomis penting. Namun, peningkatan aktivitas penangkapan yang tidak diimbangi dengan pengelolaan berbasis data stok ikan berisiko menyebabkan overfishing dan penurunan populasi sumber daya tersebut. Oleh karena itu, diperlukan upaya untuk menjaga keberlanjutan pemanfaatan sumber daya ikan, salah satunya melalui pendekatan Maximum Sustainable Yield (MSY) atau Hasil Tangkapan Maksimum yang Berkelanjutan. Penelitian ini bertujuan untuk menganalisis data hasil tangkapan dan upaya penangkapan ikan tongkol dan mengestimasi nilai MSY menggunakan metode surplus produksi. Hasil penelitian menunjukkan bahwa hasil tangkapan ikan tongkol telah melebihi MSY pada tahun 2022. Penelitian menyoroti bahwa berbagai jenis pengelolaan berbasis area dapat efektif dalam mencapai hasil konservasi positif, namun banyak di antara daerah yang dikelola tidak memenuhi kriteria efektivitas.

Page 26 of 28 | Total Record : 272

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