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All Journal Jurnal Biologi Udayana Jurnal Kesehatan Lingkungan indonesia Journals Mining Engineering : Bina Tambang Bioscience Jurnal Sosial Ekonomi Pesisir Bio Ilmi: Jurnal Pendidikan Promotif: Jurnal Kesehatan Masyarakat Jurnal Penelitian Pendidikan IPA (JPPIPA) BIOEDUKASI Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Biologi Tropis Pendas : Jurnah Ilmiah Pendidikan Dasar BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Jurnal Serambi Engineering Edubiotik : Jurnal Pendidikan, Biologi dan Terapan Ensiklopedia of Journal Edumaspul: Jurnal Pendidikan Eksakta : Berkala Ilmiah Bidang MIPA Bioedusiana: Jurnal Pendidikan Biologi Jurnal Mangifera Edu Poltekita : Jurnal Ilmu Kesehatan JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan Science Midwifery Journal On Teacher Education (Jote) Konservasi Hayati Jurnal Ekologi, Masyarakat dan Sains Science and Environmental Journals for Postgraduate Spizaetus: Jurnal Biologi dan Pendidikan Biologi BINOMIAL : Jurnal Pendidikan Biologi Journal of Digital Learning and Education TROPICAL GENETICS Research and Development in Education (RaDEn) Eduvest - Journal of Universal Studies Jurnal Kependudukan dan Pembangunan Lingkungan (JKPL) Gudang Jurnal Multidisiplin Ilmu Journal of Climate Change Society Ta'dib AMPLITUDO: Journal of Science & Technology Innovation Symbiotic: Journal of Biological Education and Science Biodik: Jurnal Ilmiah Pendidikan Biologi Proceeding of International Conference on Biology Education, Natural Science, and Technology

Abdul Razak

Universitas Negeri Padang

Author-ID : 2726330

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Microstructure of kase fish scale (Thryssa dussumieri Valenciennes, 1848) (Engraulidae) Fitri Nurhidayati; Abdul Razak
Bioscience Vol 5, No 2 (2021): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/0202152106584-0-00

Kase fish (Thryssa dussumieri Valenciennes, 1848) is one of small pelagic fish from family engarulidae dan genus Thryssa. There is no information about microstructure of Kase fish scale yet. Generally, microstucture of fish scale consist of circulii, radii, focus, tubercle and lepidont. This study aims to identify scale microstructure of Kase fish. Sample of fish is taken in Padang beach waters. Fish scale was taken from bottom part of dorsal fin dan lateralis linear. Scale was cleaned by using KOH 5% during 10 menit. Scale was put into alkohol 30%, 50%, 70%, and 90% during 1 hour. After that, scale was dried before observed by usin Scanning Microscope Electron (SEM). Observation about scale microstructure of Kase fish centered to focus, anterior field and posterior field. Observation using 1000x , and 15000x zoom. Characteristic that is obsversed consist of shape of scale fish, focus, circulii, tubercle, anterior margin, ctenii and lepidont. The research result show that, based on it’s shape Kase fish scale is included to cycloid type with circular cordate subtype. In the anterior and posterior field are the circuli that compose intersiculus space. Circuli are bounded radii. In the circuli are also lepidont. The anterior and lateral margin of the scales are smooth. In the scales posterior field are tubercles and there is no stenii. The posterior margin are crenate.Ikan Kase (Thryssa dussumieri Valenciennes, 1848) merupakan salah satu ikan pelagis kecil dari famili engarulidae dan genus Thryssa. Belum ada informasi mengenai struktur mikro sisik ikan Kase. Secara umum struktur mikro sisik ikan terdiri dari sirkuli, jari-jari, fokus, tuberkulum dan lepidont. Penelitian ini bertujuan untuk mengidentifikasi struktur mikro skala ikan Kase. Sampel ikan diambil di perairan pantai Padang. Sisik ikan diambil dari bagian bawah sirip punggung dan lateral linier. Kerak dibersihkan dengan menggunakan KOH 5% selama 10 menit. Timbangan dimasukkan ke dalam alkohol 30%, 50%, 70%, dan 90% selama 1 jam. Kerak dikeringkan sebelum diamati dengan menggunakan Scanning Microscope Electron (SEM). Pengamatan struktur mikro sisik ikan Kase berpusat pada fokus, bidang anterior dan bidang posterior. Pengamatan menggunakan 1000x, dan zoom 15000x. Ciri-ciri yang diamati terdiri dari bentuk sisik, fokus, sirkuli, tuberkel, tepi anterior, ctenii dan lepidont. Hasil penelitian menunjukkan bahwa berdasarkan bentuknya sisik ikan Kase termasuk tipe cycloid dengan subtipe cordate melingkar. Pada bidang anterior dan posterior terdapat sirkulus yang membentuk ruang intersiculus. Lingkaran adalah jari-jari yang dibatasi. Di sirkuli juga ada lepidont. Margin anterior dan lateral sisik halus. Pada bidang posterior sisik terdapat tuberkel dan tidak ada stenii. Margin posterior berbentuk crenate.

Meta-Analisis: Efektifitas pemberian pakan buatan untuk meningkatkan laju pertumbuhan dan kualitas reproduksi spesies Monopterus albus Tomi Apra Santosa; Rani Dwi Suci Hd Putri; Ramadhan Sumarmin; Dwi Hilda Putri; Abdul Razak
Jurnal Biologi Udayana Vol 25 No 1 (2021): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBIOUNUD.2021.v25.i01.p11

The use of artificial feed for fish farming has been widely used at this time, however, it is not yet known the significant effect of artificial feed on the growth and reproduction rate of Monopterus albus. This study aims to determine the effectiveness of artificial feeding on the growth and reproduction rate of Monopterus albus species. This research is meta-analysis research. The data source comes from a search of 18 national and international articles published in 2010-2020 related to feeding the Monopterus albus species. Data obtained from google scholar database, DOAJ, ScienceDirect, sagejournal, Springer, and IEEE. The data analysis technique is a qualitative descriptive analysis with JASP software. The results showed that 35% of artificial feeding affected the growth of Monopterus albus and 28.5% affected the reproductive rate with an effect size of 1.2. This shows that artificial feeding has an effect of 0.334 in increasing the growth and reproductive quality of Monopterus albus.

PENGARUH SUHU TERHADAP IKAN LELE SANGKURIANG DAN IKAN LELE DUMBO (Clarias gariepinus) Kurnia Wulansari; Abdul Razak; - Vauzia
Konservasi Hayati Vol 18, No 1 (2022): APRIL
Publisher : Universitas Bengkulu

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

Ikan lele merupakan salah satu ikan air tawar yang paling banyak untuk dikembangkan di Indonesia. Pertumbuhan ikan lele ditentukan oleh aktivitas metabolisme yaitu faktor biotik seperti suhu. Suhu yang sesuai akan mempercepat pertumbuhan ikan lele. Untuk memperluas khasanah ilmu pengetahuan mengenai pengaruh suhu terhadap ikan lele, maka tidak terlepas dari penelitian-penelitian yang terus dikembangkan oleh para ahli. Melalui artikel ini, penulis akan memberikan kajian ilmiah mengenai pengaruh suhu terhadap pertumbuhan ikan lele berdasarkan data dan fakta. Metode pengumpulan data yang digunakan dalam pengerjaan literature riview ini adalah studi pustaka sebanyak 30 artikel ulasan yang bersumber dari artikel ilmiah nasional maupun artikel ilmiah internasional dengan tahun terbit maksimal 5 tahun terakhir (2017-2021). Data yang diperoleh dikompulasi, dianalisis, dan disimpulkan sehingga mendapatkan kesimpulan mengenai studi literatur pengaruh suhu terhadap ikan lele sangkuriang dan ikan lele dumbo. Suhu optimum untuk pertumbuhan antara ikan lele sangkuriang dan ikan lele dumbo yaitu berkisar 25-300C. Suhu yang berada di atas atau di baawah suhu optimum tersebut akan mengakibatkan penurunan pada pertumbuhan ikan lele. Berdasarkan analisis terhadap penelitian pengaruh suhu terhadap ikan lele dapat disimpulkan bahwa hasil penelitian yang didapatkan perlu ditingkatkan relevansinya dan perlu untuk dilakukan penelitian secara lebih mendalam dari berbagai segi aspek guna mengetahui suhu optimal bagi ikan lele. Kata Kunci : Suhu, Ikan Lele Sangkuriang, Ikan Lele Dumbo

KUALITAS SPERMA EJAKULAT PEJANTAN AYAM KUKUAK BALENGGEK PADA PENGANDANGAN TUNGGAL TERISOLASI (Ejaculated Sperm Quality of Isolated Single Caging of Balenggek Chickens) Ramadhan Sumarmin; Elsa Yuniarti; Abdul Razak
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 18 No. 01 (2017): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

The Balenggek chicken is a long crower type fowl. This fowl have isolated and caging in single cage for years to result the long crower sound.This study was carried out to identify the influence of fed to the ejaculate sperm quality of balenggek chickens. First, the sperm were collected from isolated caging of Balenggek fowl more or less than three years and un-isolated caging of Balenggek fowl as control group. Second, the sperm were collected from isolated caging of Balenggek fowl more or less than three years and un-isolated caging of Balenggek fowl as control group, after treated by 124 ComFed for three months. The sperm were collected by massages methods and analyze with counting chamber of Improve Neubauer. Slides of sperm were stained by Eosin. Variables observed were sperm ejaculated, colours, and sperm consistency. The results shows that the sperm quality of Balenggek fowl increased (from 2.5 billion sperm/ml to 3.5 billion sperm/ml) significantly higher (p<0.05) in isolated caging fowl with reschedule feeding. Sperm color and its consistency were increased from + (c quality) to ++ (b quality). It can conclude that single caging could decreased the ejaculated sperm of Balengggek chickens quality and it. could reveal increased after it treated by 124 ConFed.

Iridology Method for Detecting Effect of Water Quality and Stress in Fish Abdul Razak; Des M
Science and Environmental Journal for Postgraduate Vol 1 No 1 (2018): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

The research about Iridology Method for detecting effects of water quality and stress was carried out in 2004-2012. Iridology method is using iris from eyes coral reef fishes and freshwater fishes. Iris sensitive to environmental condition like pollution, parasites and stress as effects of decrease water quality. The objectives of the research are introduce iridology methods as effective methods for detect effects of decrease water quality and stress in fish. The results of the research since 2004 until now are get new information about respons iris of eyes in fish to pollution or decrease of water quality, parasites and stress in fish. Iris of eyes fishes are responsive and show the effects with changing color of iris and position according effects in body of fish. Overall treatments are give respons in iris of eyes coral reef fishes and freswater fishes. Respon coral reef fishes eyes found in 11-13 o’clock position and respons in freswater fishes found in 5-7 o’clock position. Both respons of iris fishes make up pattern according environmental condition have influence the body of fishes. This method is useful for guidance health fishes in aquatic culture or natural waters condition from pollution or decrease water quality, parasites and stress in fish.

Manufacture of Npk Liquid Fertilizer From Market Waste and its Utilization in Prei Onion Plants (allium ampeloprasum var. Porrum l. J. Gayvar. Porrum l. J. Gay) and Cayenne Pepper (capsicum frustescens l.) in Singgalang - Tanah Datar Regency and Pauh Duo Abdul Razak; Des M; Wirdaningsih Wirdaningsih; Relsas Yogica; Fitra Arya Dwi Nugraha
Science and Environmental Journal for Postgraduate Vol 3 No 1 (2020): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v3i1.96

The purpose of this service activity is to train 2 group partners in Nagari Singgalang, Tanah Datar Regency and Pauh Duo nan Batigo, Solok Selatan Regency to be able to process organic waste into compost or organic fertilizer There are also farmer group partners and women cultivators who take part in PKK activities in the village of Pauh Duo Nan Batigo in South Solok Regency to grow vegetables. They number less than 35. Methods of community service are as follows: socialization and coordination of related parties, providing compost houses, procurement tools, and materials, compost making training Results obtained: a group of capable partners has processed market organic waste into organic liquid compost PK in the two villages. Keywords: NPK, waste, liquid fertilizer, prei onion, cayenne pepper

Phylogenetic Analysis of Coral Fish Familia Chaetodontidae Based on Chytocrome Oxydase I (Coi) Markings in the Core Zone and Limited Use Zone of Taman Pulau Kecil, Padang City, West Sumatra in the Context of Environmental Conservation Rhavy Ferdyan; Ramadhan Sumarmin; Abdul Razak
Science and Environmental Journal for Postgraduate Vol 3 No 2 (2021): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v3i2.99

This article aims to explain the coral reef fish relationship of the Chaetodontidae family based on the Chytocrome Oxydase Imarkers (COI). This research uses a qualitative descriptive approach. This qualitative descriptive study aims to determine the sequence of nucleotide bases offish Chaetodontidae in the COI area through the reading of sequences which are then used as material for making phylogenetic trees. Analyzes were performed using MEGA 10 software. The analysis was based on previous research, it was obtained the types of reef fish that inhabit the waters of the Taman Pulau Kecil of the city of Padang. The species are scattered in two zones, namely the core zone and the limited use zone in the Taman Pulau Kecil area of Padang city. From the results of the analysis using MEGA 10 software, it was obtained that the level of kinship between the species tested was very close, including the species Chaetodon trifasciatus, Chaetodon vagabandus, Chaetodon triangulum, and Chaetodon lineolatus. The genetic mean distance of all species was 0.02. In general, the species relatedness found are several species found in the same location with almost the same morphology and food. By obtaining the results of the phylogenetic analysis which directly describes the level of the kinship of the Chaetodontidae group, these results can be used as the material in the development of molecular ecology and a reference in environmental conservation.

Meta-Analisis: Pengaruh Soal HOTS (Higher Order Thinking Skill) Terhadap Kemampuan Literasi Sains dan Lesson Study Siswa Pada Materi Ekologi dan Lingkungan Pada Masa Pandemi Covid-19 Abdul Razak; Tomi Apra Santosa; Lufri Lufri; Zulyusri Zulyusri
Bioedusiana: Jurnal Pendidikan Biologi Vol 6, No 1 (2021): Bioedusiana
Publisher : Jurusan Pendidikan Biologi - Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/bioed.v6i1.2930

Perkembangan abad-21 telah memberikan dampak yang sangat besar terhadap kegiatan belajar siswa. Akan tetapi siswa dituntut memiliki ketrampilan berpikir tingkat tinggi. Siswa saat ini, siswa memiliki ketrampilan berpikir tinggi yang masih rendah. Evaluasi menjadi indikator bagi guru untuk melihat kualitas pembelajaran yang terjadi di dalam kelas di masa pandemi Covid-19. Penelitian ini bertujuan untuk mengetahui pengaruh soal HOTS (Higher Order Thinking Skill) terhadap kemampuan literasi sains dan lesson study siswa pada materi ekologi dan lingkungan pada masa pandemi Covid-19. Penelitian ini adalah penelitian meta-analisis dengan sampel berasal dari 20 jurnal nasional maupun internasional yang telah terbit dari tahun 2011-2021. Dari hasil penelitian menunjukan bahwa soal HOTS berpengaruh terhadap kemampuan literasi sains siswa sebesar 45,70 % dan lesson study sebesae 35,19 % dengan effect size sebesar 2,01 kategori tinggi. Hal ini menunjukan bahwa soal HOTS (Higher Order Thinking Skill) berpengeruh singnifikan terhadap kemampuan literasi sains dan lesson study siswa pada materi ekologi dan lingkungan.

RELATIONSHIP EDUCATION, INCOME, KNOWLEDGE AND PUBLIC ATTITUDES WITH UTILIZATION OF COMMUNAL MCK Purnama Wirawan; Abdul Razak; Indang Dewata
Promotif : Jurnal Kesehatan Masyarakat Vol. 7 No. 2: DESEMBER 2017
Publisher : Fakultas Kesehatan Masyarakat, Universitas Muhammadiyah Palu

Environment sanitation, public and private communal latrines have been built in densely populated coastal areas with the aim to collect a means of bathing, washing, and toilet. The purpose of this research to determine the relationship of knowledge and attitudes about the use of communal latrines in fishermen settlement Kelurahan Teluk Kabung Selatan of Bungus Teluk Kabung District. Methods research is analytic with cross sectional design and the sample was of 150 people is the head of the family. The Korelasi statistical test indicated was known to have a significant correlation between knowledge society with the use of communal latrines and there is no correlation between people's education, revenue, and attitudes, to the use of Communal toilets. It is necessary to raise awareness to make the most of available Communal Communal MCK by way of extension about its importance to utilize Communal MCK for self health and environmental health.Keywords : Knowledge, Attitude, Utilization, Comunal MCK.

Relationship between Learning Motivation and Biology Learning Outcomes Nurul Aulia Rahmi; Ramadhan Sumarmin; Yuni Ahda; Heffi Alberida; Abdul Razak
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.773

This research is a descriptive correlation study that aims to reveal the relationship between learning motivation and learning outcomes of students' biology. This study uses a correlational study approach because it connects two variables, namely two independent variables in the form of learning motivation and the dependent variable in the form of biology learning outcomes of students. The technique used in sampling is purposive proportional random sampling, by determining the proportion according to the number of students in the school being studied. In this study, Pearson Product Moment using for conversion score analysis, score distribution, normality tests, and correlation analysis. This correlation analysis aims to determine the relationship between learning motivation and learning outcomes of biology. Furthermore, to see whether or not there is meaning in the research, the t-test is used and to see the contribution between the two variables using the coefficient determinant formula. The results show that there is a positive and meaningful relationship between learning motivation and learning outcomes of students in class X MIPA SMAN in Padang City with the value of tcount are 7.603, at the level of confidence 95% with db = 285, greater than ttable which is 1.650

Co-Authors A. Asrizal Adnal Yeka Adnan Yelka Ahmad Ikhsan Ahmad Subari Aisyah Amini Alya Fariani Apriani Sijabat Aprizon Putra Arif Setiawan Arman A Armando Yosephin Butar Butar Athosra Athosra Athosra Athosra Atifah, Yusni Aulia Sofianora Auliani Arafah Auliani Arafah Azwir Anhar Bismihayati Bismihayati Dedi Agustanto Deni Sarianto Des M Des M Dewi Fortuna Khairil Dian Intan Rahmadhani Dinda Tri Pangesti Dinda Tri Pangesti Dona Setiawan Dwi Elvia Ningsih Dwi Hilda Putri Dwi Marsiska Driptufany Edwin Edwin Elfandra Fan Fadhli Rabbi Elmayana Fradila Elsa Yuniarti Eni Kamal Eni Kamal Eni Kamal Eni Kamal Eri Barlian Eria Marina Sepriyani Eria Marina Septiyani F. Festiyed Fadel Ikrar Jamika Fajrin Fajrin Fatmawati Fatmawati Febrian Febrian Febryanti Festiyed Festiyed Festiyed Fevria, Resti Fira Verina Fitra Arya Dwi Nugraha Fitri Arsih Fitri Nurhidayati Fitrya Monica Frinsis Warmansyah Handayuni, Linda Haqan Hari Asri Hasmi Raharini Hazqan Hari Asri Heffi Alberida Henny Yulius Herdi Herdi Indang Dewata Indang Dewata Irdawati Irdawati Irdawati Irdawati Isril Berd Isril Berd Iswandi U Jelibseda Jelibseda Jelibseda Khairunisa Khairunisa Kiki Mulyani Kurnia Wulansari Linda Handayuni Linda Handayuni Linda Winiasri Lindawati Lindawati Lismomon Nata Lufri Lufri Lufri Marten, Threo Wanda Mery Delvina Mhd. Fauzi Mia Ramayani Mira Hasti Hasmira Mona Gusfira Monhartini Monhartini Moralita Chatri Muhamad Sholichin Muhamad Sholichin Muhammad Hidayat Muhyiatul Fadilah Mulya Gusman Mutia Pramadani Mutia Sari Mutiaraziom Susanti N Nurhasnah Nofrion Novi Indah Lestari Nur Aisyah Putri Nur Efendi Nurhasan Syah Nurul Aulia Rahmi Okriyeni Sudiar Onasis, Aidil Oria Lasmana Palma Juanta Pariyasi Pariyasi Petrizal Petrizal Prima Aswirna Purnama Wirawan Rahmi Hidayanti Rahmi Putri Wirman Ramadan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Rani Dwi Suci Hd Putri Rani Dwi Suci Hd Putri Relsas Yogica, Relsas Reza Sapitri Rhavy Ferdyan Rijal Satria Rika Andima Rina Juniandini Sari Rismiati Rudy Anarta Rusli HAR S. Syamsurizal Saiful Jamal Selaras, Ganda Hijrah Septian Budiman Serly Mutia Sari Siska Wardeni Skunda Dilarosta Skunda Diliaarosa Skunda Diliafrosa Skunda Diliarosa Skunda Diliarosta Skunda Diliarosta Sri Wahyuni Suci Fajrina Sugriarta, Evino Suhendrinal Suhendrinal Syamsul Arifin Syamsuriza Syamsuriza Syamsurizal S Threo Wanda Marten Tomi Apra Santosa Tomi Apra Santosa Santosa Triyanchy Afaz Ujang Sudiartono Vauzia, Vauzia Violita Violita Violita Violita Wardah Hayati Wetri Yesmoneca Widian Nigrum Widya Prarikeslan Winda Ayu Fietri Windy Kasmita Wirda Taufik Wirdaningsih Wirdaningsih Yasmi Antara Yayat Mutia Ardi Yerimadesi Yerimadesi Yogi Valfa Yohandri Yohandri Yohandri Yosi Laila Rahmi Yulkar Pramilus Yuni Ahda Zalik Muhammad Latif Zuhratul Mardhiyah Amir Zulhendra Syafardi Zulyusri Zulyusri Zulyusri Zulyusri Zulyusri, Zulyusri

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