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Satria, Rijal
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Immunology & microbiology Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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Efektivitas Infusa Daun Ruku-ruku (Ocimum tenuiflorum L.) Teknologi Nano sebagai Larvasida Alami terhadap Mortalitas Larva (Aedes aegypti L.) Fitriyani, Dini; Razak, Abdul; Satria, Rijal; Fransisco Pratama, Sandi
Jurnal Serambi Biologi Vol. 9 No. 2 (2024): Jurnal Serambi Biologi
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/srmb.v9i2.356

Abstract

Dengue fever is caused by the dengue virus which is transmitted through mosquito vectors Aedes aegypti. Vector control is one of the steps to prevent transmission by breaking the vector life cycle using abate. However, its use causes several effects, namely resistance to insects, environmental pollution and insecticide residues. Natural larvicides are an alternative by using plants such as ruku-ruku. Efforts to increase the active ingredient content of ruku-ruku leaves can be done using nanotechnology which has the advantage of increasing the effectiveness and stability of an active ingredient in plants. This research aims to determine the effectiveness of natural larvicide and the best concentration of nanotechnology ruku-ruku leaf infusion on larval mortality Aedes aegypti. This research used a Completely Randomized Design (CRD) consisting of 5 treatments and 5 replications. The treatments carried out consisted of Control+ (0.01 gram abate), Control- (aquadest), and 3 treatments in the form of ruku-ruku leaf infusion (diluted using nanobubbles) with concentrations of 5%, 15% and 25%. The results of the probit analysis obtained LC50 is 23.829% and the LT50 is 48 hours. The conclusion of this study shows that nanotechnology ruku-ruku leaf infusion is effective on larval mortality Aedes aegypti.
Efektivitas Larvasida Alami Ekstrak Daun Alpukat (Persea americana Mill.) dengan Teknologi Nano terhadap Mortalitas Larva Aedes aegypti L. Cania Dewi, Rahmawitra; Razak, Abdul; Satria, Rijal; Hilda Putri, Dwi
Jurnal Serambi Biologi Vol. 9 No. 2 (2024): Jurnal Serambi Biologi
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/srmb.v9i2.357

Abstract

One of the vectors of dengue fever, the Aedes aegypti mosquito, can be controlled by using synthetic chemical mosquito repellents such as 1% abate (temephos). However, the continuous use of abate 1% can cause water pollution and human poisoning. To overcome the side effects of using synthetic larvicides, plant extracts can be used as natural larvicides, one of which is avocado leaf. One of the efforts to increase the content of active ingredients in avocado leaves can be done by using nano bubbles. This study aims to determine the effectiveness of avocado leaf extract (Persea americana Mill.) on the mortality of Aedes aegypti larvae. This study used a completely randomized design (CRD). There are Control+ and Control- and 3 treatments in the form of avocado leaf extract diluted with nanobubble water with concentrations of 5%, 10% and 15%. The test material used in this study was Aedes aegypti instar III mosquito larvae. Observations were made for 48 hours. Data were analyzed by probit analysis to determine LC50 and LT50, One Way ANOVA and Post Hoc BSD test. The results showed significant differences (P < 0.05). The results of probit analysis obtained LC50 is 5.326% and LT50 value is 35 hours. The conclusion of this study is that avocado leaf extract natural larvicide with nano technology is effective on the mortality of Aedes aegypti larvae.
Analysis of Tambau Water Pollution Levels Through Histopathology of Nilem Fish (Osteochilus vittatus) Atifah, Yusni; Arianti, Riri Putri; Vauzia, Vauzia; Satria, Rijal
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.85043

Abstract

Tambau Lake is a lake used by the community to cultivate fish. The quality of lake waters can be reflected through animals that live in lake waters such as fish. Fish that have been polluted with pollutant compounds for a long period of time will experience structural and functional abnormalities, as well as changes in histological conditions. This study aims to determine the level of water pollution in Tambau Lake through histopathological studies of Osteochilus Vittatus gills. This type of research is a descriptive analysis using a survey method of Tambau Lake and Osteochilus vittatus. Determination of Osteochilus vittatus and water samples using purposive random sampling method. Preparation using paraffin method and hematoxylin-eosin staining. The results of the study were then analyzed descriptively based on the level of damage to the gill tissue structure with the level of water pollution. The results of histopathological analysis on Osteochilus vittatus gill samples found damage to the presence of (a) edema (cell swelling), (b) hyperplasia which causes other damage, namely (clubbing tissue shaped like a baseball bat and thickening of cartilage) and (c) secondary lamella fusion which continues to become (telangiectasis) which indicates that Tambau Lake water is experiencing moderate - severe pollution. This is also in line with simple water quality results (physical, chemical and biological tests) which showed that the level of pollution was classified as severe.
Effectiveness of Ecoenzyme Mosquito Repellent Combination of Lime Peel And Papaya Leaf Based Fitri, Wahyuni; Satria, Rijal
Jurnal Serambi Biologi Vol. 9 No. 3 (2024): Jurnal Serambi Biologi
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/srmb.v9i3.364

Abstract

Mosquitoes are vectors of various diseases in humans, namely filariasis and encephalitis by Culex mosquitoes, malaria by Anopheles mosquitoes, and dengue fever by Aedes mosquitoes. The use of chemicals in repelling and killing mosquitoes, is very harmful to the environment and also causes resistance in mosquitoes. This study aims to test the potential of eco-enzyme as a mosquito repellent, with basic ingredients of orange peel and papaya leaves. This type of research is an experimental study that uses Complete Randomized Design (RAL) in 2x5 Factorial. The concentrations used in this study were 100%, 2.5%, 5%, 10%, and 20%. Data were analyzed using Anova and DNMRT 5% follow-up test. In the research conducted, the results were obtained, namely in the trial of lime ecoenzyme combination of papaya leaves at a concentration of 100%, 2.5%, 5%, 10% and 20% there were no mosquitoes perched on the test arm, then the papaya leaf ecoenzyme trial there was 1 mosquito that perched.
Perdagangan Satwa Reptil Jenis Ular (Squamata) secara E-Commerce di Kota Padang, Sumatera Barat Valofi, Nagra Aulia; Satria, Rijal
Jurnal Pendidikan Tambusai Vol. 9 No. 1 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Kegiatan jual beli online tidak hanya dilakukan oleh penjual kebutuhan pokok saja, namun juga oleh penjual satwa. Jual beli satwa semakin marak setelah dikembangkan platfrom e-commerce. Reptil termasuk hewan yang murah dan mudah diperjualbelikan secara online, salah satunya adalah ular. Perlu dikaji lebih lanjut tentang status ular yang diperjual-belikan di E-Commerce, termasuk ular yang dilindungi atau tidak dilindungi. Penelitian ini bertujuan untuk mengidentifikasi spesies reptil jenis ular yang diperjualbelikan dan mengkonfirmasi status konservasinya berdasarkan IUCN dan CITES. Metode penelitian yang dilakukan adalah penelitian kualitatif dengan data didapatkan dengan mencari jenis ular yang diperjual-belikan menggunakan mesin pencari online. Selanjutnya data dianalisis secara deskriptif untuk dianalisis status konservasinya. Hasil yang diperoleh yaitu sebanyak 6 spesies ular yang diperdagangkan di E-Commerce. secara umum status konservasinya ditinjau dari IUCN Red List yaitu: Least Concern (LC) dan Not Evaluated (NE), dan ditinjau CITES terdiri atas 1 jenis statusnya Appendiks II dan 5 lainnya memiliki status konservasi Not Listed.
Fun Fotografi on Biodiversitas: Pelatihan Fotografi sebagai Upaya Pelestarian Biodiversitas di Nagari Kasang, Kabupaten Padang Pariaman: Fun Photography on Biodiversity: Photography Training as an Effort to Preserve Biodiversity in Nagari Kasang, Padang Pariaman Regency Pratama, Sandi Fransisco; Kardiman, Reki; Satria, Rijal; Fadilaturahmah, Fadilaturahmah; Ade, Filza Yulina; Kurniati, Rahmi; Sulaeman, Nabila
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 3 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i3.8499

Abstract

By 2050, it is estimated that 45% of the world's species and habitats will be lost. "Fun Photography on Biodiversity" is an initiative aimed at enhancing the knowledge and skills of the biodiversity photography community. The activity was conducted in Nagari Kasang, Padang Pariaman Regency, and included methods such as socialization, delivering materials on biodiversity and photography techniques, and field practice. Participants were introduced to local flora and fauna, including endemic species, and were trained in basic photography techniques and ethical practices for documenting nature. Evaluation through pre-tests and post-tests demonstrated significant improvement in participants' understanding of biodiversity and their photography skills. This initiative highlighted the importance of engaging local communities in biodiversity conservation through creative and technology-driven approaches.
Keanekaragaman Jenis Burung di Indonesia: Kasus Perdagangan dan Ancaman di Masa yang Akan Datang Pratama, Mhd. Alfaris; Satria, Rijal
Jurnal Pendidikan Tambusai Vol. 9 No. 2 (2025): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Indonesia memiliki keanekaragaman burung yang sangat tinggi, namun menghadapi ancaman serius akibat perburuan, perusakan habitat, dan perdagangan ilegal. Penelitian ini bertujuan mengevaluasi status konservasi burung yang diperdagangkan di Indonesia melalui studi literatur. Hasil kajian mengidentifikasi 145 spesies burung yang diperjualbelikan, dengan mayoritas berasal dari perdagangan offline. Berdasarkan IUCN Red List, sebagian besar burung yang diperdagangkan tergolong Least Concern (LC), namun terdapat pula spesies yang berstatus Near Threatened (NT), Vulnerable (VU), Endangered (EN), Critically Endangered (CR), bahkan satu spesies Extinct (EX). Meskipun perdagangan online masih sedikit ditemukan, hal ini menyimpan potensi risiko tinggi terhadap kelestarian burung karena lemahnya pengawasan digital. Kasus-kasus penyelundupan dan penjualan spesies dilindungi mencerminkan praktik biopiracy yang merugikan keanekaragaman hayati dan ekosistem. Diperlukan penegakan hukum yang lebih ketat serta edukasi kepada masyarakat untuk mencegah eksploitasi dan memastikan perlindungan terhadap spesies burung di Indonesia.
Diversity of Parachuting Frog Genus Rhacophorus in Sumatera: Review and Future Study Akbar, Imam Qodri; Satria, Rijal
Jurnal Pendidikan Tambusai Vol. 9 No. 2 (2025): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Perubahan iklim dan perdagangan ilegal merupakan tantangan utama dalam konservasi amfibi, khususnya genus Rhacophorus di Sumatera. Ancaman ini menyebabkan gangguan reproduksi, penyebaran patogen, dan hilangnya habitat alami yang mengancam keberadaan spesies endemik tersebut. Artikel ini mengulas keberagaman, taksonomi, dan tantangan konservasi dari genus Rhacophorus di Sumatera. Pendekatan taksonomi yang mengintegrasikan data morfologi, molekuler, akustik, dan perilaku dianggap penting untuk mendukung upaya konservasi. Ditekankan pula perlunya strategi konservasi holistik, termasuk perlindungan habitat, pemantauan jangka panjang, dan regulasi perdagangan ilegal, guna melestarikan keanekaragaman hayati amfibi Indonesia di tengah tekanan lingkungan yang terus meningkat. Upaya terpadu ini menjadi kunci dalam menjaga keberlanjutan spesies endemik dan keanekaragaman hayati di Sumatera.
Spider Diversity in Bamboo Clumps on Mount Pangilun, Padang City Aprilya, Rara; Satria, Rijal; Pratama, Sandi Fransisco
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8747

Abstract

Bamboo in Indonesia grows in clumps that create habitats that support biodiversity that can be studied through bioindicators, such as spiders that act as biological control agents as well as indicators of ecosystem diversity. This research was carried out with the aim of determining the diversity of spiders in bamboo clumps. The spider collection method is Hand Collecting and Beating. The results of the study found 14 species from 14 genera, 10 spider families consisting of 38 individuals. The species with the highest number of individuals is Ctenus hibernalis which reaches 14 individuals, while most other species only have a number of individuals between 1 to 3. This variation in the number of individuals per species is likely due to factors such as habitat differences, spider behavior, and the effectiveness of each collection method.
Scientific Review of The Sumatran Striped Rabbit (Nesolagus netscheri) Based on Student Knowledge and Awareness Hasanah, Hijratul; Pratama, Sandi Fransisco; Dwijayanti, Endah; Satria, Rijal; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8755

Abstract

The Sumatran striped rabbit (Nesolagus netscheri) is endemic to the highland forests of Sumatra. This study aims to analyze the level of awareness and knowledge of universamong students about the endangered species Nesolagus netscheri, whose population is easingly threatened. This species has high ecological value, but the lack of information and knowledge about this species can worsen its condition in nature. This study used a survey approach by distributing questionna to junior and senior high school students in West Sumatra to measure their understanding of this species. The results showed that students' knowledge of the Sumatran Striped Rabbit is relatively low, although they have an awareness of the importance of conservation of endangered species. In conclusion, there is a need to improve specific environmental education programs to introduce local biodiversity to the younger generation. We suggest that by increasing student awareness and knowledge will encourage active participation in the conservation of this species and their environment in the future.
Co-Authors Abdul Razak Achyar, Afifatul Akbar, Imam Qodri Aprilya, Rara Arianti, Riri Putri Atifah, Yusni Azhari, Radif Cania Dewi, Rahmawitra Dwi Hilda Putri Dwijayanti, Endah Fadilaturahmah Fadilaturahmah Filza Yulina Ade Fitra Arya Dwi Nugraha Fitra Nugraha, Fitra Fitri, Wahyuni Fitriyani, Dini Hasanah, Hijratul Hayyat, M.Rafiqul Hayyat, Rafikul Heafiz, Elviona Irna Amalia Kardiman, Reki Leilani Eka Putri, Irma Mauliza, Rani Muharani, Silvia Naibaho, Rikarlina Br Niken Ayu Prachelia Putri Pratama, Mhd. Alfaris Pratama, Sandi Fransisco Pryatna, Muhamad Zacky Putri, Irma Leilani Eka Rahmi Kurniati Rita Hartati Rambe Sagala, Nindi Rahmi Saputra, Anugra Solehah, Nur Hajijah Suci Ramadhani, Suci Sulaeman, Nabila Taufiq, Muhammad Afif Utia, Ulta Valofi, Nagra Aulia Vauzia, Vauzia Yogi Saputra, Yogi Yopiando, Yopiando Yulita, Rahma Yunita, Aulia zega, Dwi