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All Journal Berkala Perikanan Terubuk Aquacoastmarine Indonesian Aquaculture Journal Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement Community Empowerment Journal of Community Engagement Research for Sustainability Joong-Ki : Jurnal Pengabdian Masyarakat Jurnal Akademik Pengabdian Masyarakat Ulul Albab: Jurnal Pendidikan Agama Islam Jurnal Perikanan dan Kelautan
Indra Lesmana
Fakultas Perikanan Dan Kelautan, Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Physics Public Health Social Sciences Other

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GROWTH AND PRODUCTION PERFORMANCE OF SAND LOBSTER (Panulirus homarus) CULTURED IN FLOATING NET CAGES Prayanti, Manta; Lesmana, Indra; Kristina, Kristina; Rusliadi, Rusliadi
Asian Journal of Aquatic Sciences Vol. 9 No. 1 (2026): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.9.1.108-117

Abstract

Sand lobster (Panulirus homarus) is a high-value marine commodity with promising potential for mariculture development in Indonesia. This study described the grow-out technique for P. homarus in floating net cages at BPBL Batam. It evaluated its production performance in terms of growth, feed utilization, survival, and water quality. A field-based observational study was conducted for 74 days using juveniles with an initial mean body weight of 5.14 g and an initial mean total length of 5.44 cm. Lobsters were reared in six submerged M-sized cages (0.7 m² per unit) at a stocking density of 50 individuals per cage and were fed chopped trash fish once daily at 20% of biomass. Mean body weight and total length increased to 20.94 g and 8.47 cm, respectively, with absolute weight gain of 15.80 g, absolute length gain of 3.03 cm, and a specific growth rate of 1.89% day⁻¹. However, the feed conversion ratio was high (30.00), and the survival rate was low (40.33%). Water-quality variables remained within acceptable ranges for lobster culture. These findings indicate that the system supported lobster growth, but feed-use efficiency and survival still require improvement through better feeding and husbandry management.
Faktor Penyebab Kesulitan Belajar Siswa Pada Pelajaran Pendidikan Agama Islam di SMKN 7 Bandung Sinta Rahmawati; Dena Ristiyanti; Indra Lesmana; Kusumah, Muhammad Nandang
Ulul Albab: Jurnal Pendidikan Agama Islam Vol. 1 No. 2 (2023): Agustus
Publisher : Universitas Islam Nusantara, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ululalbab.v1i2.3432

Abstract

Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis faktor-faktor yang berkontribusi terhadap kesulitan belajar siswa pada mata pelajaran Pendidikan Agama Islam (PAI) di SMKN 7 Bandung. Penelitian ini menggunakan pendekatan kualitatif dengan metode deskriptif analitis. Subjek penelitian terdiri dari siswa SMKN 7 Bandung. Temuan menunjukkan bahwa kesulitan belajar siswa dalam PAI terutama berasal dari hafalan Al-Qur'an, karena tidak semua siswa mahir membacanya. Program PAI di SMKN 7 Bandung mengamanatkan bahwa siswa harus menghafal setidaknya Juz 30 Al-Qur'an untuk lulus. Persyaratan ini telah menimbulkan keluhan siswa, karena banyak yang tidak mahir dalam membaca Al-Qur'an, sehingga sulit untuk menghafal. Dapat disimpulkan bahwa kesulitan dalam menghafal Al-Qur'an merupakan faktor utama yang menghambat pembelajaran PAI di SMKN 7 Bandung. Meskipun demikian, para guru PAI telah berhasil menyampaikan materi pelajaran. Para guru telah mengatasi kesulitan-kesulitan tersebut dengan menerapkan program tahsin.
Co-Authors Ade Burju Roberkat Simanjuntak Afriani Nazara Agrina Agrina Agung Maulana Putra Agus Oman Sudrajat Alimuddin Alimuddin Ananda Eka Putri Andesca, Yofi Devara Andini Innayah Putri Andreas H Marpaung Andri Hendrizal Anisa Khoirul Jannah Annisa Azzahra Annisa Dwi Chandra Arief Baizuri Majid Arif Nuhalin Nasution Arnol Hasudungan Pardosi Aulia Agus Anindita Baihaqqi Daffa Attoriq Benny Heltonika Besri Nasrul BUDI UTOMO Chairul, Chairul Cindy Wulandari Dahlan Tampubolon Daqiqil Id, Ibnu Dara Aiko Damantha Darma Bakti Dena Ristiyanti Denny Y Hutasoit Dian Roy Nugraha Sembiring Dini Anis Monika Dwi Liana Rahmayuni DWI SURYANTO Emaliana Emaliana Eni Sumiarsih Eri Yusni Eriyusni Eriyusni Erna Lestari Indah Nababan Ester Nelya Tindaon Evi Deliana HZ Fajar Prasetya Kembaren Fathul Khoiri Febrialismanto Febrialismanto Fery Jaksen Sihotang Firdaus Rezeki Manurung Firmansyah, Rodhi Fretty J Simbolon Garindi Endrina Putra Geovani Meiwanda Gracia Denata Tumanggor Greis Greis Gresiana Suyati Gurning Harry Muda Hasibuan Hasan Sitorus Hengki Firmanda Hesti Wahyuningsih Hiras Sucipto Tampubolon Huria Marnis Ika Sulistya Ningrum Ikhwanul Khairy Indah Okvalita Indra Suharman Irvan Faizal Irwan Effendi Isma, Muhammad Fauzan Jamaluddin Jamaluddin Kayla Novia Ramadhani Khalidah, Imanda Kristina Kristina Kusumah, Muhammad Nandang Lara Dwi Mei Yendra Lihardo Sinaga Lora Luita Anjelina M Prima Melly Risfani Mohamad Haikal Mohammad Basyuni Mohammat Rizki Mahendra Muhamad Iqbal Muhammad Adri Irfandri Muhammad Arief Wibowo Muhammad Nanda Miftahul Jannah Muhammad Nazil Fikri Zamzamie Navisa Fairuz Nina Safriyanti Novita Sari Siboro Novreta Ersyi Darfia Nur Arlia Yusnita Odang Carman Oding Affandi Osha Putri Parawansa Pindi Patana Praduta Zaky Prasiswi Ningsih Prayanti, Manta Prita Yulianti Anasta br G Purwati Purwati Putri Rahmadani Putri Yani Purnamasari R Sadiah Maharani Radith Mahatma Rafillah, Rahadatul Aisyi Rahmad Hendra Ratu Dahlia Rebeka Paimaibot S Regaf Fahmi Ilmi Rewaldy Siregar Ridwan Manda Putra Rina D Sibagariang Rina Marito Daulay Riski Fernando Telaumbanua Romi Kurniadi Romi Pindonta Tarigan Rusliadi Rusliadi Ruthmawati, Abigael Ryando Restu Elvian Gea Saidah Rahmah Samariadi, Samariadi Satriyadi Satriyadi Selfi Auliansyah Selly Prima Desweni Shyfa Reyhana Kurnia Sindi Arnelia Sindi Ela Wahyu Lestari Sinta Rahmawati Sri Endang Kornita Syammaun Usman Tomi Ramadona Trisla Warningsih Ulfia Hasanah Ummi Febriani Ritonga Veline Angela Natasya Vito Oktariandi MK Wan Nita Ulfani Barus Wida Octaria Wildan Panjaitan Winda Pertiwi Windi Syahrian Yudho Harjoyudanto Yulisa Rika Sari Yunasfi Djayus Yusni I Siregar Zahtamal Zahtamal Zikri Andrian Zikrilla Mayuli Hoppi Zulfa Maharani