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All Journal JURNAL ILMIAH PLATAX Jurnal Ilmu Kelautan Kepulauan ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua JURNAL BAHARI PAPADAK ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat
Tampa, Ahazia Imanuel
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Physics Social Sciences Other

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Journal : JURNAL BAHARI PAPADAK

 1 
PENGARUH EKSTRAK LENGKUAS MERAH (Alpinia purpurata) TERHADAP DAYA HAMBAT BAKTERI Pseudomonas fluorescens SECARA IN VITRO Hidayati, Desy Amalia; Palinggi, Rifka Liling; Tampa, Ahazia Imanuel; Boikh, Lebrina Ivantry
Jurnal Bahari Papadak Vol 5 No 2 (2024): Jurnal Bahari Papadak
Publisher : Universitas Nusa Cendana

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Abstrak - Serangan penyakit merupakan pemicu kegagalan budidaya. Penyakit yang menyerang organisme budidaya air tawar yaitu penyakit bacterial salah satu agen bakteri yang menginfeksi adalah bakteri P. fluorescens. Penggunaan antibiotik seringkali digunakan untuk mengatasi penyakit yang disebabkan oleh bakteri, sehingga perlu adanya alternatif dengan penggunaan bahan alami. Penelitian ini bertujuan untuk mengetahui pengaruh ekstrak lengkuas merah (A. purpurata) terhadap daya hambat bakteri P. fluorescens secara In Vitro. Penelitian ini menggunakan metode eksperimen dengan Rancangan Acak Lengkap (RAL) yang terdiri dari 5 perlakuan, 2 kontrol dan 4 kali ulangan. Perlakuan A (100 ppm), perlakuan B (105 ppm), perlakuan C (110 ppm), perlakuan D (115 ppm), perlakuan E (120 ppm), kontrol positif menggunakan tetracyline 30 ppm, dan kontrol negatif tanpa pemberian ekstrak. Hasil penelitian didapat zona hambat tertinggi pada perlakuan E (120 ppm) dengan rerata zona hambat sebesar 10,53 mm dan terendah pada perlakuan A (100 ppm) dengan rerata zona hambat sebesar 8,15 mm. Zona hambat antar perlakuan menunjukkan grafik linier dengan persamaan y = -3,25 + 0,11x dan koefisien determinasi (R2) yaitu sebesar 0,8552. Kata kunci: Lengkuas Merah (A. purpurata), P. fluorescens, Antibakteri Abstract - Disease attack is a trigger for cultivation failure. Disease tat attack freshwater aquaculture organisms, namely bacterial disease, one of the bacterial agents that infect are P. fluorescens bacteria. The use of antibiotics is still often used to treat diseases caused by bacteria, so there is a need for alternatives to the use of natural ingredients. This study aims to determine effect of red galangal extract (A. pupurata) on inhibitory of P. fluorescens bacteria in vitro. This study used an experimental method with a completely randomized design (CRD) consisting of 5 treatments, 2 controls and 4 replications. Treatment A (100 ppm), treatment B (105 ppm), treatment C (110 ppm), treatment D (115 ppm), treatment E (120 ppm), positive control with 30 ppm tetracyline, and negative control without extract. The results showed that the highest inhibition zone was in treatment E (120 ppm) with an average inhibition zone of 10,53 mm and the lowest was in treatment A (100 ppm) with an average inhibition zone of 8,15 mm. The inhibition zone between treatments shows a linear graph with the equation y = -3,25 + 0,11x and the coefficient of determination (R2) is 0,8552. Key words: Red galangal (A. purpurata), P. fluorescens, Antibacterial
PLASTIC WASTE POLLUTION AND ITS IMPLICATIONS FOR COASTAL MARINE ECOSYSTEMS (An Educational Study at SMPN 2 Semau) Missa, Yudishinta; Boikh, Lebrina Ivantry; Ayubi, Aludin Al; Tampa, Ahazia Imanuel
Jurnal Bahari Papadak Vol 6 No 1 (2025): Jurnal Bahari Papadak
Publisher : Universitas Nusa Cendana

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Abstract - Waste management issues are a global problem that continue to have negative impacts on the environment. One factor contributing to the increasing amount of waste is the growing diversity of human activities. Coastal areas are highly vulnerable to waste pollution, particularly plastic waste. Plastic waste pollution in coastal marine areas is one of the fastest-growing environmental issues, causing significant negative impacts on marine ecosystems, including the destruction of marine habitats, disruption of the food chain, and the decline in coastal environmental quality. This problem is not only ecological in nature but also has social and economic impacts on coastal communities. This study aims to analyze the understanding and awareness of students at SMPN 2 Semau regarding plastic waste pollution and its implications for coastal marine ecosystems, as well as to examine the effectiveness of educational approaches in improving students’ knowledge and positive attitudes toward plastic waste management. The research method used is descriptive quantitative, with data collected through questionnaires, observations, and environmental outreach activities involving students as the main subjects. The results reveal that although most students already possess basic knowledge about the negative impacts of plastic waste on marine ecosystems, their awareness and involvement in waste management remain relatively low. Environmental education programs in schools can serve as one effective strategy to reduce plastic waste pollution in coastal areas, thus preserving marine ecosystems to support the sustainability of natural resources and the welfare of coastal communities. Keywords: Plastic waste, marine ecosystem, environmental education.
Co-Authors Ayu, Lastri Sri Ayubi, Aludin Al Cyska Lumenta Desy Amalia Hidayati Harmos, Nikanor Hersal Immaria Fransira Lady Cindy Soewarlan, Lady Cindy Larwuy, Winster Lebrina Ivantry Boikh Martina Ayu Sejati Missa, Yudishinta Nikanor Hersal Armos Ockstan J. Kalesaran Palinggi, Rifka Liling Priyo Santoso Wesly Pasaribu