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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 5 Documents
 1 
Search results for , issue "VOLUME 8 ISSUE 2 | JUNE 2020" : 5 Documents clear
Density of Acanthaster planci in the waters of Olele Village Pius A Arsyad; Femy Sahami; Sri Nuriyatin Hamzah
The NIKe Journal VOLUME 8 ISSUE 2 | JUNE 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (261.537 KB) | DOI: 10.37905/.v0i0.6885

Abstract

This study aims to determine the density level of Acanthaster planci in Olele Village waters in Kabila Bone District, Bone Bolango Regency. This research was conducted in October 2016 to May 2017. The method used was the Line Intercept Transect (LIT) method with a size of 50 x 5 meters. The research location was divided into 3 stations namely Station I (no influence of human activity), Station II (affected by human activity), and Station III (snorkeling and diving areas). The density was analyzed using the Krebs formula (Napitupulu et al., 2013). The results showed that the population density of Acanthaster planci in the waters of Tomini Gulf, Olele Village, Kabila Bone District is in the alarming or threatening category.
Effect of curcuma (Curcuma xanthorriza roxb) immersion on the survival of tilapia (Oreochromis niloticus) Yayu Angriani Ngodu; Rully Tuiyo; Mulis Mulis
The NIKe Journal VOLUME 8 ISSUE 2 | JUNE 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (261.099 KB) | DOI: 10.37905/.v0i0.6886

Abstract

This study aims to determine the duration of soaking of curcuma (Curcuma xanthorriza roxb) powder on the survival of tilapia (Oreochromis niloticus) seeds infected with Aeromonas hydrophilla bacteria. This study was an experiment with a Completely Randomized Design (CRD) using analysis of variance (ANOVA) with four treatments and three repetitions. The treatments used were curcuma powder immersion, which were treatments A (3 minutes), B (5 minutes), C (7 minutes) and D (Control). The results showed that different soaking time using ginger powder did not affect the survival of tilapia seeds. The best treatment is treatment A (3 minutes) with a survival rate of 86.67%.
Abundance and Diversity of Echinoderms in Seagrass and Coral Reefs Ecosystems Abdul Kadir Jailani; Femy M Sahami; Miftahul Khair Kadim
The NIKe Journal VOLUME 8 ISSUE 2 | JUNE 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.692 KB) | DOI: 10.37905/.v0i0.6888

Abstract

This study aims to determine the abundance and diversity of Echinoderms in seagrass and coral reef ecosystems in the waters of Tomini Gulf, Lamu Village, Batudaa Pantai, Gorontalo Regency. This research was conducted for 3 months, from July to September 2017. The method used was the quadrant transect method in seagrass ecosystems and in coral reef ecosystems using the Line Intercept Transect (LIT) method. Observations were made at 3 stations based on the presence of seagrasses and coral reefs. The results showed that the highest abundance in the seagrass ecosystem is Ophiolepis superba with a value of 36.48%, in the coral reef ecosystem was the type of Diadema sp with a value of 52.73%. The highest echinoderms diversity in seagrass ecosystem was obtained at Station 1 with a value of 0.7433 which was included in the medium category and the highest coral reef ecosystem at Station 3 with a value of 0.6624 and included in the medium category.
Effect of Substrate on Egg Hatchability and Survival of Carp Seeds Helmin Dupamana; Ade Muharam; Juliana Juliana
The NIKe Journal VOLUME 8 ISSUE 2 | JUNE 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/.v0i0.6889

Abstract

This study aims to determine the effect of different substrates on egg hatchability and survival of carp (Cyprinus carpio) seeds. This research is an experiment with 4 treatments and 3 replications. The treatment of addition of substrate is A (Fibers), B (Hydrilla), C (Raffia String), D (Control) Treatment. The design used is a Completely Randomized Design (CRD) using Analysis of Variance (ANOVA). Furthermore, further tests are carried out using the Least Significant Difference Test (LSD). The results obtained indicate that each treatment has a very significant effect. The highest hatchability was found in the palm substrate treatment of 87.66%, followed by the treatment of the raffia substrate 78.42%, then the control treatment with the percentage of hatching power was 64.78% and the lowest was in the hydrilla substrate treatment with the hatchability percentage of 57.51%. While the highest survival rate of tilapia fish was found in the treatment of palm oil substrate by 73.67%, and the survival rate with the lowest percentage was in the treatment of hydrilla sp. Substrate.
Composition and Distribution Patterns of Seagrass in the Gulf of Tomini Ferdi Kurniawan Mohamad; Faizal Kasim; Miftahul Khair Kadim
The NIKe Journal VOLUME 8 ISSUE 2 | JUNE 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/.v0i0.6890

Abstract

This study aims to determine the composition and distribution patterns of seagrass species in the Gulf of Tomini, Tabulo Selatan Village and Keramat Village, Mananggu District, Boalemo Regency. This research was conducted for 3 months starting from June 2017 until August 2017. The method used was the line transect method at 2 village locations, each with 3 stations. The results showed that the composition of seagrass species at the study site consisted of seagrass Cymodocea serrulata, Cymodocea rotundata, Enhalus acoroides, Syringodium isoetifolium, Thalassia hemprichii and Halophila ovalis. Seagrass distribution patterns are included in the random and cluster categories.

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