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La Boi
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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KELEMBAGAAN LOKAL MINI PURSE SEINE DALAM PENANGKAPAN IKAN DI PERAIRAN SELAT BUTON KECAMATAN DURUKA KABUPATEN MUNA La Boi; Yani Taufik; Laode Geo
Jurnal Sosio Agribisnis Vol 3, No 2 (2018): JSA Oktober
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (345.222 KB) | DOI: 10.33772/jsa.v3i2.7589

Abstract

The local institution of mini purse seine is a rule in the mini purse seine group that regulates the cooperation between skipper and labor in catching fish in the waters of Buton strait. In 2010, the number of mini purse seine in Lagasa Village was 40 units and continued to decrease to 30 units in 2017, the number of mini purse seine 30 units. This happens because the skippers sell their fishing gear to the other party as they do not have labors that do fishing. This study aimed to assess the capacity and role of local mini purse seine institutions in fishing in Buton strait waters, Duruka district, Muna Regency. The method of analysis used in this study is descriptive qualitative analysis with the skippers and labors of mini purse seine as the main informant. The results showed that the institutional capacity affecting the sustainability of mini purse seine fishing equipment is the presence of labor. The lack of labor in mini purse seine is caused by low catches, autocratic and symbolic leadership style of the skipper, and violation of the rule of catch fish. The institutional group of mini purse seine has a role in forming cooperative groups in fishing, establishing fishing business units, and advising Lagga Village Government in solving fishing problems in Buton strait waters. Recommendations: The government of Muna regency and its associated elements should increase the institutional capacity of mini purse seine through the strengthening of mini purse seine organizations, institutionalization of values or norms, and resource management.Keywords: Mini Purse Seine; local institution; Bajo Tribe
Pengaruh Tegangan Elektron Sem Tipe Coxem Em-30axn Terhadap Analisis Komposisi Unsur Permukaan Sampel Stainless Steel SS136: Penelitian La Boi; Muhammad Arohman
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.5630

Abstract

Penelitian ini bertujuan mengevaluasi akurasi dan presisi pengukuran komposisi unsur menggunakan teknik Energy Dispersive X-ray Spectroscopy (EDS) pada variasi tegangan elektron (15–20 kV) dalam Scanning Electron Microscope (SEM), dengan menjadikan hasil X-ray Fluorescence (XRF) sebagai acuan pembanding. Sampel SS136 dianalisis untuk mengetahui pengaruh perubahan tegangan terhadap performa EDS, baik dari segi deviasi antar titik pengukuran maupun kesesuaiannya dengan data XRF. Hasil menunjukkan bahwa peningkatan tegangan elektron menghasilkan perbaikan signifikansi dalam resolusi morfologi serta kualitas data EDS. Tegangan 20 kV memberikan hasil EDS yang paling mendekati nilai XRF, dengan standar deviasi antar titik paling kecil (Fe: 0,20%). Sebaliknya, tegangan 15 kV menunjukkan deviasi yang tinggi dan akurasi lebih rendah, sehingga kurang ideal untuk karakterisasi kuantitatif material logam. Temuan ini sejalan dengan teori interaksi elektron dalam SEM, dimana tegangan tinggi meningkatkan efektifitas, memperkuat sinyal karakteristik, dan mengurangi aberasi. Dapat disimpulkan bahwa penggunaan tegangantinggi, khususnya 20 kV, direkomendasikan untuk analisis EDS berbasis SEM pada material konduktif seperti baja tahan karat. Selain itu, pendekatan multi-teknik menggunakan kombinasi XRF dan EDS terbukti efektif untuk validasi silang hasil analisis, yang penting dalam riset dan kontrol mutu material teknik.
Co-Authors Laode Geo Muhammad Arohman Yani Taufik