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All Journal IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurnal Ilmiah Samudra Akuatika Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Pengabdian Masyarakat: Darma Bakti Teuku Umar Jurnal Laot Ilmu Kelautan Jurnal Pengabdian Masyarakat Bangsa Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Malikussaleh Mengabdi Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Solusi Masyarakat (JSM) Jurnal Solusi Masyarakat Dikara ABDIMU: Jurnal Pengabdian Muhammadiyah
Mainisa, Mainisa
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Pemanfaatan Bahan Baku Limbah Untuk Pembuatan Pakan Ikan Mandiri di SMK Negeri 6 Lhokseumawe Salamah, Salamah; Mahdaliana, Mahdaliana; Hatta, M.; Rusydi, Rachmawati; Mainisa, Mainisa
Jurnal Solusi Masyarakat Dikara Vol 3, No 1 (2023): April 2023
Publisher : Yayasan Lembaga Riset dan Inovasi Dikara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Usaha budidaya perikanan merupakan sebuah usaha pemeliharaan ikan mulai dari pembenihan, pemeliharaan, pemberian pakan sampai pemasaran ikan. Dalam usaha budidaya ikan tidak terlepas dari pakan ikan, karena pakan merupakan biaya terbesar dalam produksi mencapai 60- 70% dari biaya produksi ikan. Pakan ikan selama ini memiliki kendala salah satunya yaitu harga pakan yang tinggi yang tidak mengimbangi harga jual ikan sehingga pembudidaya merasa kewalahan dalam hal pakan ikan, apalagi pakan dengan protein tinggi sudah pasti harganya jauh lebih mahal dibandingkan dengan pakan dengan protein rendah. Metode pendekatan dalam kegiatan pengabdian ini adalah metode edukatif, partisipatif, dan persuasif. Prosedur kegiatan pengabdian kepada masyarakat ini terdiri atas beberapa tahapan, yakni: (1) Penyuluhan tentang pakan ikan buatan berbahan baku limbah, (2) penyuluhan tentang pengenalan berbagai bahan baku limbah yang berpotensi untuk dijadikan bahan pakan, (3) penyuluhan tentang teknologi pembuatan pakan ikan, (4) pelatihan dalam tahapan pembuatan pakan ikan. Hasil yang dirasakan adalah terjadi perubahan tambahan pengetahuan dan pengalaman serta skil peserta pengabdian tentang pemanfaatan bahan baku limbah untuk pembuatan pakan ikan mandiri.
Pengaruh pemberian berbagai jenis keong terhadap pertumbuhan dan kelangsungan hidup ikan patin (Pangasius pangasius) Mainisa, Mainisa
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 6: No. 2 (October, 2019)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v6i2.1582

Abstract

AbstrakIkan Patin (Pangasius pangasius) merupakan ikan air tawar yang memiliki nilai ekonomis yang tinggi. Untuk membantu mempercepat pertumbuhan selain dengan menggunakan pellet, ikan patin juga dapat diberikan pakan alami seperti keong mas (Pomacea canaliculata Lamarck), bekicot (Achatina fulica) dan siput air tawar (Lemnaea javanica). Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pakan jenis keong-keongan yang berbeda terhadap pertumbuhan, kelangsungan hidup, dan konversi pakan. Hasil penelitian menunjukkan bahwa pertumbuhan terbaik terdapat pada perlakuan A, yaitu dengan pemberian keong mas. terbaik kedua pada perlakuan B (pemberian bekicot) dan yang paling rendah pada perlakuan C (pemberian keong air tawar). Selanjutnya untuk tingkat kelangsungan hidup terbaik terdapat pada perlakuan A dan B yaitu sebesar 95.24%, dan yang terendah perlakuan C sebesar 90.47%. Rasio konversi pakan pada perlakuan A yaitu 3.45, sedangkan pada perlakuan C sebesar 7.44.Kata kunci: ikan patin; keong mas; bekicot, siput air tawar; pertumbuhanAbstractPangasius catfish (Pangasius pangasius) is a freshwater fish that has high economic value. To accelerate growth in addition by using pellet, this catfish can also be given live food such as the golden snail (Pomacea canaliculata Lamarck), edible snail (Achatina fulica), and freshwater snail (Lemnaea javanica). This study aims to determine the effect of different types of snail feeding on growth, survival rate, and feed conversion ratio. The results showed that the best growth was found in treatment A, by giving the golden snail, the second best growth in treatment B (by giving edible snail) and the lowest growth in treatment C (by giving freshwater snail). Furthermore, the best survival rate is in treatment A and B which is equal to 95.24%, and the lowest in treatment C (90.47%). Feed conversion ratio in treatment A was 3.45, while in treatment C was 7.44.Keywords: Pangasius catfish; The golden snail; edible snail; freshwater snail; growth
The addition of pineapple waste extract in feed on the growth and survival of white shrimp (Litopenaeus vannamei) Hasibuan, Sakinah; Salamah, Salamah; Mainisa, Mainisa; Hatta, Muhammad; Khalil, Munawwar
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 10: No. 3 (December, 2023)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v10i3.8981

Abstract

This study aims to reduce production costs for feed by adding the pineapple waste extract to commercial feed which increases feed utilization efficiency, relative growth rate, protein efficiency ratio, Survival rate, water quality, and Organoleptic Test. This research was conducted from March 31 to April 28, 2022. At the Hatchery and Technology Laboratory Faculty of Agriculture Department of Aquaculture. This study used a non-factorial Completely Randomized Design (CRD) consisting of four treatments and three replications. Treatment A (0% pineapple waste extract + 100 gr feed) B (3% pineapple waste extract + 100 gr feed) C (4% pineapple waste extract + 100 gr feed) D (5% pineapple waste extract + 100 gr feed). The best results from treatment C with feed utilization efficiency of 80.45%, relative growth rate of 4.79%/day and protein efficiency ratio of 1.73%/day. Survival 81,66% and Water Quality. Temperature 26 - 28 oC, DO 7,0 - 7,5 mg/L, pH 7,1 - 7,3, Salinity 32 ppt, Ammonia 0,04-0,08 mg/L. and Organoleptic Test of Color and Scent, the best feed has a very brown color and does not have an overpowering Scent.Keywords: Growth; Pineapple; Survival rate; Vaname Shrimp.
Application of liquid organic fertilizer from wild banana stem waste (Musa acuminate) and coconut husk as a culture medium for Spirulina platensis Rubiyah, Rubiyah; Muliani, Muliani; Mahdaliana, Mahdaliana; Rusydi, Rachmawati; Mainisa, Mainisa
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 10: No. 3 (December, 2023)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v10i3.12200

Abstract

Microalgae are single-celled microorganisms with pigments and can produce photosynthesis to produce food and oxygen. The addition of liquid organic fertilizer from wild banana stem waste (Musa acuminata) and coconut husk as a source of nutrients can be used to increase the cell density of Spirulina platensis. This research was conducted on September 18-27 at the Hatchery and Aquaculture Technology Laboratory, Aquaculture Study Program, Department of Fisheries and Marine, Faculty of Agriculture, Malikussaleh University. The method used in this study is an experimental method with a non-factorial Complete Randomized Design (RAL) of 5 treatments and 3 repeats. The study is treatment A Control (Walne fertilizer), treatment B (Mixture of POC Waste of forest banana stems and coconut husk 12 ml / L of sea water), treatment C (Mixture of POC Waste of forest banana stems and coconut husk 14 ml / L of seawater), treatment D (Mixture of POC Waste of forest banana stems and coconut husk 16 ml / L of seawater), treatment E (Mixture of POC Forest banana stem waste and coconut husk 18 ml/L seawater). The results of this study showed that the use of POC from forest banana stem waste and coconut husk as a culture medium for Spirulina platensis had a real effect with F calculate 43,850 > F tabel (0.05) 3.48 to the peak population and had a real effect on the growth rate of Spirulina platensis with F calculate (26,884) > F table (0.05) 3.48.Keywords: Coconut husk; POC; Spirulina platensis; Wild banana stem waste.
ANALISIS DAYA TAMPUNG BEBAN PENCEMARAN FOSFOR DAN DAMPAK KERAMBA JARING APUNG DI DANAU LAUT TAWAR, ACEH TENGAH Adhar, Saiful; Erlangga, Erlangga; Rusydi, Rachmawati; Mainisa, Mainisa; Prasetya, Yukis Angga; Zaitun, Urmila
Jurnal Riset Akuakultur Vol 18, No 2 (2023): (Juni, 2023)
Publisher : Politeknik Kelautan dan Perikanan Jembrana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jra.18.2.2023.117-127

Abstract

Danau Laut Tawar di Kabupaten Aceh Tengah, Indonesia, memiliki luas permukaan 5.862 ha, garis pantai 49,75 km, kedalaman maksimum 84,23 m, kedalaman rata-rata 25,19 m, dan daerah tangkapan air seluas 18.877 ha. Danau ini merupakan danau tektonik dan bersifat multiguna seperti berperan sebagai sumber plasma nutfah, air baku air minum dan pertanian, perikanan, dan sumber pembangkit listrik tenaga air. Aktivitas antropogenik akibat pemanfaatan sumber daya di daerah tangkapan air dan perairan meningkatkan pemuatan fosfor ke perairan tersebut. Penelitian ini bertujuan untuk menghitung kapasitas beban fosfor dan dampak kegiatan keramba jaring apung terhadap pencemaran fosfor di Danau Laut Tawar. Data primer dan sekunder dikumpulkan dan dianalisis menggunakan berbagai pendekatan seperti studi literatur, pemodelan, pengukuran in-situ serta ex-situ, dan wawancara. Hasil penelitian menunjukkan konsentrasi fosfor di perairan Danau Laut Tawar sebesar 34,00 mg m-3. Beban fosfor dari daerah tangkapan air sebesar 5,19 mg m-3, dengan alokasi beban fosfor sebesar 0,74 mg m-3. Baku mutu fosfor ditetapkan sebesar 40,00 mg m-3, sehingga daya tampung beban pencemaran fosfor mencapai 1,04 ton tahun-1. Keramba jaring apung pada danau memiliki luas 4,46 ha dan menghasilkan limbah fosfor sebanyak 5,25 ton tahun-1 yang terlarut ke perairan danau. Nilai tersebut lebih tinggi dari daya tampung beban pencemaran fosfor pada danau dan memengaruhi kondisi alaminya serta aktivitas yang dilakukan di sekitar danau. Lake Laut Tawar in Central Aceh, Indonesia, covers an area of 5,862 ha with a coastline length of 49.75 km, a maximum depth of 84.23 m, an average depth of 25.19 m, and a catchment area of 18,877 ha. The lake is a tectonic-formed water body and serves various biological and economic functions such as biodiversity resources, water sources for drinking water and agriculture, fisheries, and hydroelectricity. Anthropogenic pressures from economic activities around and within the lake have increased phosphor loading in the water body. This study aimed to determine the phosphor loading capacity and the contribution of floating net cage operation on phosphor pollution in Lake Laut Tawar. Primary and secondary data were collected and analyzed using various approaches such as documents, modeling, in-situ and ex-situ measurements, and interviews. The results showed that the phosphor concentration in the Lake Laut Tawar waters reached 34.00 mg m-3. The phosphor load from the catchment area was 5.19 mg m-3, with the phosphor load allocation of 0.74 mg m-3. The maximum threshold for phosphor concentration in a lake is set at 40.00 mg m-3, bringing the phosphor pollution load capacity of the lake to 1.04 tons year-1. However, the floating net cages in the lake covered an area of 4.46 ha and produced 5.25 tons year-1 of phosphorus waste which dissolved into the lake waters. This value exceeds the phosphorus load capacity of the lake and subsequently affects the lake's natural state and the ecosystem services it provides.
KORELASI KEMAMPUAN PENYELESAIAN SOAL-SOAL FISIKA DENGAN KEMAMPUAN NUMERIK SISWA MAN 2 ACEH BARAT Mainisa, Mainisa; Jannah, Misbahul; Putriana, Luthfi
Jurnal Review Pendidikan dan Pengajaran Vol. 7 No. 4 (2024): Special Issue Vol. 7 No. 4 Tahun 2024
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v7i4.36673

Abstract

Penelitian ini dilatarbelakangi oleh sebagian besar peserta didik kemampuan numeriknya rendah, maka efeknya tingkat kemampuan penyelesaian soal Fisika juga rendah. Tujuan penelitian ini yaitu (1) menganalisis kemampuan numerik siswa kelas XI MIA1 MAN 2 Aceh Barat, (2) menganalisis kemampuan penyelesaian soal-soal Fisika siswa pada materi Getaran Harmonis, serta (3) menganalisis hubungan kemampuan numerik dengan kemampuan penyelesaian soal-soal Fisika pada materi Getaran Harmonis. Penelitian ini merupakan jenis penelitian korelasional bersifat ex post facto, dengan menggunakan desain studi hubungan dan sampel dalam penelitian ini yaitu kelas XI MIA1 MAN 2 Aceh Barat dengan teknik pengambilan sampel yaitu simple random samping. Instrumen yang digunakan yaitu soal Tes Numerik dan soal Tes Fisika materi Getaran Harmonis. Teknik pengumpulan data dengan metode tes yaitu Tes Kemampuan Numerik dan Tes Kemampuan Penyelesaian Soal Fisika. Hasil penelitian menunjukkan bahwa: Sebagian besar kemampuan numerik siswa termasuk kategori sangat kurang (rentang nilai 0-49), sedangkan kemampuan penyelesaian soal termasuk kategori sangat rendah (rentang nilai 0-54), dan diperoleh koefisien korelasi dengan nilai rhitung = 0,958 dan rtabel = 0,3515, sehingga nilai rhitung rtabel artinya terdapat hubungan yang signifikan antara kemampuan numerik dengan kemampuan penyelesaian soal Fisika pada konsep Getaran Harmonis kelas XI MIA1 MAN 2 Aceh Barat.
Development and Characterization of HDPE Waste/Ramie Fiber Composites for Geomembrane Applications in Litopenaeus vannamei Shrimp Cultivation Fikri, Ahmad; Razi, Ar; Mainisa, Mainisa; Fadhilah, Arif; Mila, Apryza
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 11, No 1 (2026): February 2026
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v11.i1.10

Abstract

Geomembranes are thin geosynthetic materials composed of polymeric layers that function as barriers in direct contact with soil. The properties of HDPE geomembranes suitable for application as vannamei shrimp (Litopenaeus vannamei) aquaculture. HDPE geomembranes applied in vannamei shrimp aquaculture are subjected to thermal loads (UV radiation), oxidative agents, and mechanical force such as interfacial friction and tensile loading in surface wear.  This study aims to improve the mechanical properties of the material by incorporating natural fibers as reinforcement into HDPE–ramie fiber biocomposite. The process of making HDPE–ramie fiber biocomposite uses an single screw extruder with a temperature of 170 oC, a rotation of 20 rpm with a ratio of HDPE waste and ramie fiber of 97.5:2.5, 95:5, and 92.5:7.5. The results of tensile and impact tests show the highest strength and toughness are shown in the HDPE sample and ramie fiber 92.5:7.5 with a value of 5.23 MPa and 96.17 kJ/m2. The highest material ductility was demonstrated in the HDPE and ramie fiber composite 97.5:2.5 with a value of 1.32%. In addition, the highest stiffness was demonstrated in the HDPE and ramie fiber composite 95:5 with a value of 845.40 MPa. The results of the morphological investigation showed that the bond between the matrix and filler was partially formed and the smallest fiber diameter was 4 µm.Keywords: HDPE, Ramie, Composite, Geomembrane, Vanamei
Co-Authors Ade Ikhsan Kamil Agam Muarif Ahmad Fikri Al Usrah, Cut Rizka Amri Amri Andika, Yudho Arief Rahman Arif Fadhilah, Arif Dedi Fariadi Dewi Kumala Sari Erlangga Erlangga Eva Ayuzar, Eva Ghazali Syamni Harefa, Fendi Saputra Hasibuan, Sakinah Imanullah, Imanullah Juliana Juliana Khairul Anshar Kurniawati Kurniawati Laila M. Rasyid M. Hatta Mahdaliana, Mahdaliana Mila, Apryza Misbahul Jannah Muhammad Hatta Mujiburrahman Mujiburrahman Muliani Muliani, Muliani Mulyawan, Rizka Munawwar Khalil, Munawwar Prasetya, Yukis Angga Putriana, Luthfi Rachmawati Rusydi, Rachmawati Ranim, Yenfi Riza Razi, Ar Riani Riani, Riani Rizki, Dini Rubiyah, Rubiyah Saiful Adhar salamah salamah Yurni, Irma Zaitun, Urmila Zulkifli Zulkifli