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All Journal NIKe Jurnal Ilmiah Perikanan dan Kelautan | Fisheries and Marine Scientific Journal
Nursinar, Siti
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Agriculture, Biological Sciences & Forestry Environmental Science Social Sciences

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Keanekaragaman dan Pola Zonasi Ekosistem Mangrove di Desa Otiola Kecamatan Ponelo Kepulauan Kilinau, Kasim; Sahami, Femy M; Nursinar, Siti
The NIKe Journal VOLUME 11 ISSUE 3 | SEPTEMBER 2023
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v11i3.21987

Abstract

This research aims to determine the diversity and zoning patterns of mangroves in Otiola Village, Ponelo Islands District, North Gorontalo Regency. Data collection was carried out from January to February 2021. The sampling method used quadrant line transects and the method for determining mangrove zoning was based on three zoning divisions, namely, proximal, middle and distal. The research location is divided into 4 stations, and each station consists of 5 transect lines. Diversity was calculated using the Simpson Diversity Index formula. The research results show that in Otiola Village there are 20 types of mangroves. The diversity index for the tree category is in the medium to high category (0.632 – 0.873) and for the sapling level it is in the low, medium to high category (0.489 – 0.876), while the seedlings are in the medium to high category (0.674 – 0.831). The mangrove zoning in Otiola Village is classified as impure zoning because there are several species that vary in each zoning (mixed).
Distribusi Hasil Tangkapan Ikan Cakalang (Katsuwonus pelamis) Di Pelabuhan Perikanan Nusantara Kwandang Kabupaten Gorontalo Utara Baruadi, Aulia Mutmainnah; Baruadi, Alfi Sahri Remi; Nursinar, Siti
The NIKe Journal VOLUME 13 ISSUE 4 | DESEMBER 2025
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v13i4.33913

Abstract

Penelitian ini bertujuan untuk menganalisis alur distribusi, persentase wilayah pemasaran, margin pemasaran, serta efisiensi distribusi ikan cakalang (Katsuwonus pelamis) di Pelabuhan Perikanan Nusantara (PPN) Kwandang, Kabupaten Gorontalo Utara. Metode penelitian menggunakan pendekatan deskriptif kuantitatif dengan teknik pengumpulan data melalui wawancara dan dokumentasi dari 74 responden yang terdiri dari nelayan, pengepul, pedagang besar, dan pengecer. Hasil penelitian menunjukkan bahwa terdapat tiga jalur utama distribusi ikan, dengan pengepul memperoleh margin pemasaran tertinggi sebesar Rp 8.500 per kilogram. Persentase distribusi wilayah terbesar terjadi di Kecamatan Paguyaman (26,7%) dan Gentuma (22,03%) untuk wilayah lokal, serta Bitung (52,38%) dan Manado (47,62%) untuk distribusi luar daerah. Efisiensi distribusi ditentukan oleh panjang jalur pemasaran, biaya operasional, dan fasilitas pendukung seperti alat pendingin dan transportasi. Distribusi yang lebih singkat memberikan dampak positif terhadap pendapatan nelayan dan kestabilan harga di pasar. Temuan ini menegaskan pentingnya pengelolaan distribusi secara optimal guna mendukung keberlanjutan usaha perikanan tangkap di wilayah pesisir.
Co-Authors Alfi Sahri Remi Baruadi Baruadi, Aulia Mutmainnah Femy M. Sahami Kilinau, Kasim