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Prihatini Ilyas, Anita
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Agriculture, Biological Sciences & Forestry Immunology & microbiology

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INDENTIFIKASI JENIS PENYAKIT DAN GANGGUAN KESEHATAN KARANG HIAS Acropora sp. HASIL TRANSPLANTASI PT. LOMBOK SAMUDERA ABADI DI PESISIR PANTAI MUTIARA KABUPATEN SUMBAWA Fajri, Muhammad; Prihatini Ilyas, Anita; Arifin, Zainul
Jurnal Perikanan Terapan Vol 2 No 2: Agustus 2025
Publisher : Program Studi Ilmu Perikanan, Fakultas Ilmu dan Teknologi Hayati, Universitas Teknologi Sumbawa

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Abstract

Coral diseases and health disorders are among the primary factors threatening the survival and sustainability of coral reef ecosystems. Coastal areas, particularly those adjacent to human settlements, are highly vulnerable to environmental pressures arising from both natural and anthropogenic factors. One such area is the coastal waters of Pantai Mutiara, Pulau Kaung Village. This study aims to identify the types of coral diseases and health disorders present in the area and to assess the environmental factors influencing their occurrence. The research was conducted from April to May 2025 in the coastal waters of Pantai Mutiara. Data collected included the types of coral diseases and health disorders, as well as water quality parameters. Field observations were carried out through direct documentation of infected corals, which were subsequently identified using the Underwater Cards for Assessing Coral Health on Indo-Pacific Reefs. The results revealed several coral diseases and health disorders, namely White Syndrome, Bleaching, Algal Competition, and Sediment Damage. These conditions are presumed to be associated with both anthropogenic activities and natural environmental factors. The highest overall prevalence was recorded at a depth of 4 meters, reaching 25%. Bleaching was most frequently observed at a depth of 2 meters, affecting three coral colonies. According to the Indonesian Government Regulation No. 22 of 2021, the water quality in the study area remains within acceptable standards, indicating that the environmental condition is still adequate to support coral growth and survival. Keywords: Prevalence, Diseases, Health Disorders, Coral, Pearl Beach Waters.
PERTUMBUHAN DAN KELANGSUNGAN HIDUP IKAN NILA (Oreochromnis niloticus) DENGAN PEMBERIAN PAKAN KOMBINASI PELET DAN LEMNA (Lemna perpusilla) Astutiwati, Astutiwati; Fahruddin, Muhammad; Prihatini Ilyas, Anita
Journal of Fish Nutrition Vol. 5 No. 2 (2025): Journal of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v5i2.8939

Abstract

Penelitian ini bertujuan untuk mengkaji pertumbuhan dan tingkat kelangsungan hidup ikan nila dengan pemberian pakan kombinasi pelet dan Lemna perpusilla. Hewan uji yang digunakan dalam penelitian ini adalah ikan tilapia (Oreochromis niloticus) yang dipelihara di kolam semen dengan metode eksperimental menggunakan Desain Acak Lengkap (RAL), dengan perlakuan berupa 100% L. perpusilla+0% pelet, 25% L. perpusilla+75% pelet, 50% L. perpusilla+50% pelet, dan 0% L. perpusilla+100% pelet. Hasil penelitian menunjukkan bahwa pertumbuhan bobot mutlak tertinggi pada ikan dengan perlakuan pakan campuran ditunjukkan oleh perlakuan 0% L. perpusilla+100% pelet, sementara tingkat kelangsungan hidup tertinggi dalam penelitian ini ditunjukkan oleh perlakuan 0% L. perpusilla+100% pelet, yaitu 95%. Hasil analisis sidik ragam untuk pertumbuhan bobot mutlak antar perlakuan menunjukkan pengaruh yang signifikan (p<0.05), sedangkan tingkat kelangsungan hidup tidak menunjukkan efek (p>0.05). Kesimpulannya, bahwa pemberian pakan kombinasi pelet dan L. perpusilla memberikan pengaruh yang nyata terhadap laju pertumbuhan spesfiik. Laju pertumbuhan spesifik tertinggi ditunjukkan oleh pemberian 25% L. perpusilla dengan kombinasi 75% pelet, sedangkan kelangsungan hidup ikan nila dengan pemberian pakan kombinasi pelet dan L. perpusilla selama pemeliharaan tidak memberikan pengaruh yang nyata. Kelangsungan hidup tertinggi ditunjukkan oleh pemberian 50% L. perpusila dengan kombinasi 75% pelet dan 25% L. perpusila dengan kombinasi 50% pelet.
Co-Authors Astutiwati, Astutiwati FAHRUDDIN, MUHAMMAD Muhammad Fajri Zainul Arifin