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Novianty Tuhumury
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TRITON : Jurnal Manajemen Sumberdaya Perairan
Published by Universitas Pattimura
ISSN : 16936493     EISSN : 26562758     DOI : https://doi.org/10.30598/TRITONvol17issue2year2021
Core Subject : Social,
Environmental Science
TRITON: Jurnal Manajemen Sumberdaya Perairan is a scholarly refereed research journal which accepts scientific article based on research and reviews including: 1. Management of Aquatic Resources 2. Management of Aquatic Environment 3. Management of Coastal and Sea 4. Economic of Aquatic Resources 5. Planning and development of Coastal, Sea and Small Islands The article should fulfill science criteria and original manuscript which has previously unpublished. Each article will evaluate by relevant peer reviewers before published.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 122 Documents
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PERAN GENDER DAN KERENTANAN PENGHIDUPAN RUMAH TANGGA NELAYAN KEPITING BAKAU TERHADAP PERUBAHAN IKLIM DI DESA BULA AIR Nanlohy, Hellen; Walla, Sitti Aisah; Nugroho, Adhitya
TRITON: Jurnal Manajemen Sumberdaya Perairan Vol 22 No 1 (2026): TRITON: Jurnal Manajemen Sumberdaya Perairan
Publisher : Departement of Aquatic Resources Management, Fisheries and Marine Science Faculty, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/TRITONvol22issue1page1-10

Abstract

Climate change affects gender roles in the mangrove crab fishing businesses. Women play a role in crab fishing and are more vulnerable to the impacts of climate change due to limited access to resources. This study aims to analyze gender roles in the mangrove crab fishing businesses and to examine the impact of climate change on the household income of fishermen in Bula Air Village, East Seram Regency. The research was conducted from January to June 2025. This study used a Likert scale (1–5) approach with 40 respondents. Correlation analysis results indicate a significant negative relationship between the impacts of climate change and income (r = -0.642; p < 0.05). Simple linear regression analysis indicates that the impacts of climate change significantly influence a decrease in income (β = -0.587; p = 0.000) with a coefficient of determination (R²) of 0.412. This means that 41.2% of the variation in income is influenced by the impacts of climate change. These findings underscore the importance of integrating a gender perspective into fisheries adaptation policies to enhance the resilience of coastal fishermen’s livelihoods. ABSTRAK Perubahan iklim mempengaruhi peran gender dalam usaha penangkapan kepiting bakau. Perempuanmempunyai peran dalam usaha penangkapan kepiting dan akan lebih rentan terhadap dampak perubahan iklim karena akses terbatas terhadap sumberdaya. Penelitian ini bertujuan menganalisis peran gender dalam usaha penangkapan kepiting bakau serta menguji pengaruh dampak perubahan iklim terhadap pendapatan rumah tangga nelayan di Desa Bula Air, Kabupaten Seram Bagian Timur. Penelitian dilakukan pada bulan Januari-Juni 2025. Penelitian ini menggunakan pendekatan skala Likert (1–5) terhadap 40 responden. Hasil analisis korelasi menunjukkan hubungan negatif signifikan antara dampak perubahan iklim dan pendapatan (r = -0,642; p<0,05). Analisis regresi linear sederhana menunjukkan bahwa dampak perubahan iklim berpengaruh signifikan terhadap penurunan pendapatan (β = -0,587; p = 0,000) dengan koefisien determinasi (R²) sebesar 0,412. Artinya, 41,2% variasi pendapatan dipengaruhi oleh dampak perubahan iklim. Temuan ini menegaskan pentingnya integrasi perspektif gender dalam kebijakan adaptasi perikanan untuk meningkatkan ketahanan penghidupan nelayan pesisir. Kata kunci: Gender, kepiting bakau, perubahan iklim, pesisir, kerentanan nelayan
KEANEKARAGAMAN DAN KELIMPAHAN FITOPLANKTON DI PERAIRAN TELUK YOUTEFA, KOTA JAYAPURA Umbekna, Sara; Wijayanti, Lady Ayu Sri; Tuhumena, Lolita; Hisyam, Muhammad; Manalu, Khristhoper Aris Arianto; Gea, Liyatin; Rumbiak, Kristhopolus; Sinaga, Ade Ria Elena
TRITON: Jurnal Manajemen Sumberdaya Perairan Vol 22 No 1 (2026): TRITON: Jurnal Manajemen Sumberdaya Perairan
Publisher : Departement of Aquatic Resources Management, Fisheries and Marine Science Faculty, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/TRITONvol22issue1page32-42

Abstract

Phytoplankton serve as primary producers and the foundational link in the food web. These organisms are frequently utilized as bioindicators for the fertility of aquatic environments. The presence of phytoplankton and the environmental conditions supporting their habitat play a critical role in assessing and managing the status and quality of marine waters.The objective of this study was to analyze the phytoplankton community structure in the waters of Youtefa Bay, Jayapura, encompassing species composition, abundance, diversity index, dominance index, and evenness index. This research was conducted in October 2023 across five sampling stations. Physico-chemical parameters, including temperature, salinity, and pH, were measured in situ. Phytoplankton samples were collected horizontally using a plankton net with a mesh size of 25 µm and subsequently preserved in 4% formalin.The results indicated that the phytoplankton in Youtefa Bay consisted of two classes Bacillariophyceae and Dinophyceae comprising a total of 21 species. Ceratium trichoceros and Thalassiothrix longissima were the species identified at all sampling stations. Total phytoplankton abundance ranged from 358.10 cells/m³ to 2,426.04 cells/m³. Ceratium trichoceros exhibited the highest species abundance at 4,074.59 cells/m³. Within the class Bacillariophyceae, Thalassiothrix longissima and Skeletonema costatum showed higher abundances compared to other diatom species, recorded at 414.15 cells/m³ and 267.80 cells/m³, respectively.The diversity index values in Youtefa Bay ranged from 1.17 to 1.75, the dominance index from 0.25 to 0.46, and the evenness index from 0.47 to 0.74. Water temperature ranged from 28.7°C to 30.2°C, salinity ranged from 17 to 34 ppt (average 30.6 ppt), and pH values ranged from 7.2 to 7.8. In conclusion, the water quality of Youtefa Bay is classified as good and suitable to support phytoplankton life. ABSTRAK Fitoplankton merupakan produsen primer dan awal mata rantai dalam jaring makanan. Organisme ini sering dijadikan sebagai indikator ukuran kesuburan suatu perairan. Keberadaan fitoplankton dan kondisi lingkungan pendukung habitatnya berperan dalam penilaian status dan kualitas perairan laut serta pengelolaannya. Tujuan penelitian ini ialah untuk menganalisis struktur komunitas fitoplankton di perairan Teluk Youtefa, Jayapura, yang meliputi komposisi jenis, kelimpahan, indeks keanekaragaman, indeks dominansi, dan indeks keseragaman fitoplankton. Penelitian ini dilakukan pada bulan Oktober 2023 di 5 stasiun penelitian. Parameter fisika-kimia air diukur secara insitu meliputi suhu, salinitas, dan pH. Sampel fitoplankton diambil secara horizonal menggunakan plankton net dengan mesh size 25 µm, dan selanjutnya diawetkan menggunakan formalin 4%. Hasil penelitian menunjukan, fitoplankton di perairan Teluk Youtefa terdiri dari 2 kelas, yaitu Bacillariophyceae dan Dinophyceae, yang terbagi atas 21 spesies. Spesies fitoplankton yang ditemukan pada semua stasiun penelitian yaitu Ceratium trichoceros dan Thalassiothrix longissima. Kelimpahan fitoplankton berkisar antara 358,10 sel/m³-2426,04 sel/m³. Ceratium trichoceros memiliki kelimpahan spesies tertinggi dibandingkan lainnya, yaitu 4074,59 sel/m³. Pada kelas Bacillariophyceae, spesies Thalassiothrix longissimadan Skeletonema costatum memiliki kelimpahan yang lebih tinggi dibandingkan spesies diatom lainnya, yakni 414,15 sel/m³ dan 267,80 sel/m³. Nilai indeks keanekaragaman fitoplankton di perairan Teluk Youtefa berkisar antara 1,17-1,75, indeks dominansi berkisar antara 0,25-0,46, dan indeks keseragaman berkisar antara 0,47-0,74. Nilai suhu perairan Teluk Youtefa berkisar antara 28,7°C-30,2°C, salinitas berkisar antara 17-34 ppt dengan rata-rata 30,6 ppt, dan nilai pH berkisar antara 7,2-7,8. Kualitas perairan Teluk Youtefa tergolong baik dan sesuai untuk mendukung kehidupan fitoplankton. Kata kunci: Fitoplankton, kelimpahan, keanekaragaman, dominansi, Teluk Youtefa

Page 13 of 13 | Total Record : 122

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