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Ula, Rahmah Arfiyah
Universitas Billfath, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences Other

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Identification Identification Of Plankton In The Stomach Of Vaname Shrimp In Jabung Reservoir: Identification Of Plankton Erviani, Lilik; Sitti Nur Ilmiah; Fita Fitriatul Wahidah; Rahmah Arfiyah Ula; Merinda Nur Indahsari
Jurnal TAMBORA Vol 9 No 2 (2025): EDISI 25
Publisher : Wakil Rektor 3, Direktorat Riset, Publikasi dan Inovasi, Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/tambora.v9i2.6375

Abstract

Keanekaragaman dan kelimpahan plankton yang ada di lambung udang vaname dapat dijadikan parameter pakan yang dikonsumsi udang vaname serta kestabilan kondisi lingkungan. Keanekaragaman jenis plankton yang tinggi menunjukkan sejumlah besar individu dari setiap spesies, sehingga menunjukkan bahwa kualitas air lingkungan berada dalam kisaran yang sesuai untuk pertumbuhan organisme hortikultura. Tujuan penelitian ini yaitu untuk mengidentifikasi jenis plankton paa lambung udang vaname dan untuk mengetahui nilai kelimpahan, indeks keanekaragaman dan indeks dominansi di Waduk Jabung  Laren Lamongan. Metode Penelitian ini menggunakan analisis deskriptif  kuantitatif dan termasuk penelitian eksplorasi yang dilakukan dengan cara mengamati dan mengidentifikasi plankton yang ada di lambung uang vaname dan dihitung dengan menggunakan rumus kelimpahan, keanekaragaman dan indeks dominannsi. Hasil penelitan menunjukkan bahwa dari keseluruhan ditemukan 4 spesies fitoplankton yaitu  Oscillatoria sp, Spirulina sp, Chroococcus turgidus, Chlorella, dan ditemukan 1 spesies  yaitu keratela sp. Hasil perhitungan kelimpahan plankton berkisar antara 24,33-43,33 Ind/l, indeks keanekaragaman 0,15 - 0,77, dan indeks dominansi 0,48 - 0,94. Jadi, berdasarkan faktor fisika, faktor kimia, dan faktor biologi yang telah diteliti perairan Waduk Jajong tergolong kualitas air yang kurang baik.
Pengaruh Audio Suara Kucing terhadap Intensitas Serangan Hama Tikus (Rattus spp.) di Pertanaman Jagung (Zea Mays L.) Fita Fitriatul Wahidah; Rahmah Arfiyah Ula; Sitti Nur Ilmiah; Lilik Erviani; Merinda Nur Indahsari; Nabilatul Hamidah
Botani : Publikasi Ilmu Tanaman dan Agribisnis Vol. 3 No. 1 (2026): Januari: Botani: Publikasi Ilmu Tanaman dan Agribisnis
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/botani.v3i1.552

Abstract

Continuous chemical control of rat pests (Rattus spp.) can sometimes lead to resistance and resurgence problems, and even some cases of inaccurate targeting ultimately killing livestock. The idea of ​​​​repelling rats in rice fields using vibrations of crickets and other natural animals transmitted via radio has been done and the results are quite optimal for rat control, but it has not been done in corn cultivation. The purpose of this study was to determine the effect of cat sound audio on the intensity of rat pest attacks (Rattus spp.) in corn (Zea mays L.) plantations. The research location was in a farmer's land owned by a farmer in Dagan Village, Solokuro District, Lamongan Regency. Determination of sampling points using the diagonal method, each into 5 sub-observation plots. In each sub-plot, markers were placed as sampling points. Audio with cat and bird sounds was played continuously from 05.00 pm - 07.00 am. Observations were conducted at 7:00 a.m. at all sampling points at 30 and 60 days after planting. Observations were conducted for three days using audio and three days without audio. Damage symptoms were observed directly at each sampling point. Corn plants showing symptoms were then recorded and analyzed using the Damage Intensity formula. Observations showed that the use of cat sound audio was able to reduce the level of rat infestation. At 30 days after planting, the damage percentage was reduced by 8.33%. Meanwhile, at 60 days after planting, the damage percentage was reduced by 18.33%.
Co-Authors Adam Pratama Septian Agus Prasetya Agus Prasetya Haryanto, Imam Iman Haryanto Iman Haryanto Indahsari, Merinda Nur Lilik Erviani Merinda Nur Indahsari Merinda Nur Indahsari Nabilatul Hamidah Nur Ilmiah, Siti Nur Indahsari, Merinda Siti Nur Ilmiah Sitti Nur Ilmiah Trisnani Alif Ulya, Innarotul Wahidah, Fita Fitriatul