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M. Yamin
Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Physics Public Health Social Sciences

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Pelatihan Teknik-Teknik Analisis Instrumen Penilaian Ranah Kognitif Guru SMPN 21 Mataram Nur Lestari; Gito Hadiprayitno; Muhlis Muhlis; M. Yamin; M. Liwa Ilhamdi
Jurnal Pengabdian Masyarakat Sains Indonesia Vol. 2 No. 1 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.785 KB) | DOI: 10.29303/jpmsi.v2i1.8

Abstract

Berdasarkan UU Guru dan Dosen Tahun 2005 dinyatakan bahwa salah satu tanggung jawab guru secara profesional dalam kegiatan pembelajaran ialah merancang perangkat pembelajaran. Perangkat pembelajaran yang dimaksud terdiri dari rencana pelaksanaan pembelajaran (RPP), pengembangan media, LKPD, bahan ajar dan instrument penilaian pembelajaran. Namun demikian integritas kesesuaian antara perangkat pembelajaran dan ketercapaian tujuan pembelajaran akan terlihat pada pelaksanaan assessment autentiknya. Ditemukan bahwa guru-guru SMPN di Kota Mataram hanya memilki arsip soal yang tidak dilakukan analisis kualitas. Padahal analisis kualitas butir soal merupakan hal penting yang harus dilakukan oleh guru dalam mengarsipkan soal-soal tes menjadi bank soal. Oleh karena itu perlu dilakukan pelatihan tentang teknik-teknik analisis butir soal menggunakan software bebasis komputer, ynag bertujuan untuk (1) melatih guru-guru di SMPN 21 Mataram untuk membuat soal objektif dan subjektif yang sesuai dengan kaidah-kaidah pembuatan soal yang valid dan reliabel, (2) melatih guru-guru yang ada di SMPN 21 Mataram untuk melakukan analisis butir soal dengan menggunakan software komputer, dan (3) melakukan kegiatan pendampingan pada guru-guru yang ada di SMPN 21 Mataram untuk melakukan analisis butir soal pada alat evaluasi yang digunakan di sekolah.  Pelaksanaan kegiatan pengabdian ini berjalan dengan lancar ditandai dengan adanya respon positif dari peserta pengabdian yaitu guru-guru SMPN 21 Mataram. Tim pengabdian menguraikan banyak hal mengenai kajian teori teknik-teknik analisis soal objektif dan subjektif kemudian guru mencoba melakukan analisis butir soal menggunakan software komputer bersama-sama. Program pengabdian ini dapat ditindaklanjuti dengan kegiatan penyusunan soal sesuai topic per mata pelajaran dan berdasarkan taksonomi pendidikan sehingga bemanfaat bagi guru yang akan menganalisis mutu instrument soal.
The Evidence of Cadmium (Cd) Heavy Metal in South Asian Apple snail (Pila ampullacea) on The Batu Kuta Village Narmada District Widya Septiani; Khairuddin Khairuddin; M. Yamin
Jurnal Biologi Tropis Vol. 22 No. 2 (2022): April - June
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.v22i2.2586

Abstract

Waste produced by society has a negative impact on the environment such as waste from agricultural, household, and industrial sector. The study aims to evaluate the content of heavy metal Cadmium (Cd) in rice field snail (Pila ampullacea) as a pollutant indicator in Narmada sub-district, West Lombok. The research method used observation and laboratory. Furthermore, Sampling at six points was conducted with three repetitions. In addition, the heavy metal content of the research sample was analyzed using AAS (Atomic Absorption Spectrophotometry). The result indicated that the average of heavy metal content Cadmium (Cd) per point in rice field snail (Pila ampullacea) in Batu Kuta village, Narmada sub-district ranged from 0.367 ppm – 0.554 ppm. The highest value was found in the rice field at station 2 point 3, while the lowest was in the irrigation canal at station 2 point 1. The average of the analysis on the heavy metal content Cadmium (Cd) per station in rice field snail (Pila ampullacea) with the highest value of 0.481 ppm was found at station 1, while the lowest value of 0.465 ppm was at station 2. It can be concluded that the heavy metal content of Cadmium in snail is an indicator that society activities, especially in agricultural sector, have a negative impact on the environment. Hence, the result of the study is able to be a source of scientific information for environmentally friendly agricultural system management policies, especially in the study site and other location.
Habitat Characteristic of The Long-Tail Monkeys (Macaca fascicularis) at Natural Tourism Park (NTP) Pengsong Mount, West Lombok Ratu Mas Tara Indriani; M. Yamin; I Putu Artayasa
Jurnal Biologi Tropis Vol. 21 No. 3 (2021): September - Desember
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.v21i3.2732

Abstract

Pengsong Mount Natural Tourism Park (NTP) is a habitat for long-tailed monkeys (Macaca fascicularis) in West Lombok. This study aims to determine the habitat characteristics of Macaca fascicularis in Pengsong Mount Natural Tourism Park (NTP), West Lombok. The object of this research is the long-tailed monkey (Macaca fascicularis) and all vegetation observed in the habitat of this species. Habitat characteristic data was collected using the plot method placed on an observation transect. Vegetation data taken includes vegetation at the level of seedlings, saplings, poles, and trees. Data on the physical conditions of the habitats collected included air temperature, air humidity, soil moisture, and soil pH. The data on the activity of the long-tailed monkeys studied were the daily activities of the monkeys in their habitat. The results showed that the habitat characteristics of long-tailed monkeys in Pengsong Mount Natural Tourism Park (NTP) is overgrown by 25 types of plants belonging to 15 families, has an average air temperature of 27.670C, an average air humidity of 650C, an average soil moisture of 55.67%, and the average pH of 5.2. The value of plant diversity in the Pengsong Mount Natural Tourism Park (NTP) area is 2.623 so that the value of plant diversity is classified as moderate. The value of plant evenness in the Pengsong Mount Natural Tourism Park (NTP) area is 0.815 so that the value of plant evenness is high.
Hormone Synchronization and Artificial Insemination as Breeding Efforts of Philemon buceroides to Prevent their Extinction M. Yamin
Jurnal Biologi Tropis Vol. 21 No. 3 (2021): September - Desember
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.v21i3.2906

Abstract

Philemon buceroides is a bird that is very difficult to breed in captivity. This paper escribes the breeding efforts that have been carried out. The aims of the study are for knowing how to breed it in captivity and as a suggestion for conservation efforts in-situ and ex-situ. Efforts of breeding Philemon buceroides are conducted by supplying the Pregnant Mare Serum Godadotrophin (PMSG) hormone and the Estrogen hormone and artificial insemination for birds that are sexually mature at least one year old and physically healthy. The sample of Philemon buceroides in this study is birds that have been reared for at least 1 year to reduce stress. The sample of Philemon buceroides were acclimatized for 7 days in each bird cage according to the group. On the following day, the treatment group was superovulated to obtain more eggs than normal using PMSG hormone at a dose of 150 Im in 10 milli liters of ferologic Nacl / Kg BW once a day for three consecutive days. The control group was only given 10 milli liters of ferologic NaCl orally. The next day, synchronization of lust / Esterus was conducted using the Estrogen hormone at a dose of 150 Im in 10 milli liters of ferological NaCl orally once a day for three consecutive days. For male Philemon buceroides, sperm was collected. As a result, synchronization of the reproductive hormones of Pregnant Mare Serum Gonadotrophin (PMSG) and Estrogen to male and female Philemon buceroides greatly influenced the increase in ovulation of Philemon buceroides, however the eggs produced by the mother Philemon buceroides have not yet produced chicks. In addition, it is difficult to obtain the male sperm. From the three males, only one sperm pull out only 1 drop, the other two did not pull out any sperm.
Analysis of Heavy Metal Content of Copper (Cu) in Milkfish (Chanos chanos Forsk) from Milkfish Farms in Bima Bay 2020 Muhamad Alfian Yunanmalifah; khairuddin khairuddin; M. Yamin
Jurnal Biologi Tropis Vol. 21 No. 3 (2021): September - Desember
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.v21i3.2907

Abstract

Fish are aquatic organisms and are often used as biological indicators of heavy metals in waters, because fish belong to the highest trophic level and their nature is to settle in certain habitats. This research aims to explore the Cu content in milkfish from the Bima Bay milkfish aquaculture to determine the copper content in milkfish from the Bima Bay milkfish aquaculture. The usefulness of this research is to provide information on the Cu content of milkfish aquaculture in Bima Bay. This research was conducted for four months, starting from February - June 2021. Sampling was carried out by purposive sampling at 2 location points with three repetitions. Samples were analyzed at BLKPK NTB Province using the Atomic Absorption Spectrophotometry tool. The results showed that the Cu Content in Palibelo ranged from 0.814 mg/kg (ppm) to 0.915 mg/kg (ppm), so that an average of 0.856 mg/kg (ppm) was obtained. Meanwhile, the Cu Content in Melayu ranged from 0.351 mg/kg (ppm) to 0.441 mg/kg (ppm), so that an average of 0.387 mg/kg (ppm) was obtained. The average total Cu content in milkfish in the Bima Bay area is 0.621 mg/kg (ppm). Based on these results, it can be concluded that the Cu content in milkfish meat from milkfish aquaculture in Bima Bay is 0.621 mg/kg (ppm). The content is very far below the threshold according to the Regulation of the Dirjen POM No.03725/B/SK/VII/89 which is 20 mg/kg so that it is safe for consumption by the public.
Analysis of Cd and Cu Heavy Metal Content in Climbing perch (Anabas testudineus) Derived from Rawa Taliwang Lake, West Sumbawa Regency Khairuddin Khairuddin; M. Yamin; Kusmiyati Kusmiyati
Jurnal Biologi Tropis Vol. 22 No. 1 (2022): January - March
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.v22i1.3105

Abstract

Many species of fish in Rawa Taliwang Lake can be used as bioindicators. Climbing perch (Anabas testudineus) is a species of freshwater fish that is used as a bioindicator. The aims of this study were: Want to know the heavy metal content of Copper (Cu) and Cadmium (Cd) in Climbing perch from Rawa Taliwang Lake to enrich the Environmental Knowledge course material. A special benefit is to protect consumers who consume fish from heavy metal contaminants. The research was conducted in Rawa Taliwang Lake, which is an area that is submerged in water. Methods Data collection was carried out by determining 2 research stations, namely in the east and west of the lake. Next, fishing is done using gill nets. Fish samples were taken from 3 to 4 fish at each station. The fish species taken were Climbing perch (Anabas testudineus). Then each fish sample was put into a plastic bag and then stored in a sample box. The research sample was then analyzed in the West Nusa Tenggara Health, Testing and Calibration laboratory. The data analysis method was carried out by taking muscle tissue from Climbing perch and then analyzing the content of heavy metals in the form of Copper (Cu), and Cadmium (Cd) using an Atomic Absorption Spectrophotometer. Measurement of heavy metals in fish tissue was carried out by adding concentrated HNO3 and HClO4, heated at a temperature of 60-70ºC for 2-3 hours until the solution was clear. Ready samples were measured by AAS using an air-acetylene flame. The measurement results show the presence of heavy metals Copper (Cu) and Cadmium (Cd) in the fish tissue studied. The conclusion of this study is that the heavy metal content in Climbing perch  (Anabas testudineus) originating from Rawa Taliwang Lake to enrich the Environmental knowledge course material is; Copper (Cu) ranged from 0.067 ppm to 0.126 ppm, and Cadmium (Cd) ranged from 0.011 ppm to 0.016 ppm.
Analysis of Cyanide (CN) in Seagrass as a Bioindicator in Sekotong West Lombok Alwani Alwani; Agil Al Idrus; M. Yamin
Jurnal Biologi Tropis Vol. 22 No. 1 (2022): January - March
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.v22i1.3271

Abstract

Seagrass is one of the aquatic plants that can be used as a bioindicator in the waters. This research aims to determine the morphological structure of seagrass as bioindicators and the amount of cyanide content in seagrass plants in the waters of Sekotong, West Lombok. This research was conducted in July - August 2021 at Pewaringan Beach, Sekotong, West Lombok. Determination of the sample point is done by purposive sampling. Data were collected using line transect method simple random sampling  at three points. Data analysis was carried out on seagrass plants with complete roots, stems, and leaves using a spectrophotometer at BLKPK NTB Province. The results showed that the characteristics of seagrass in the three research locations had a slightly muddy sandy substrate and slightly sandy muddy, an average leaf  length of 21.5 cm, an average leaf  width of 1.10 cm, an average stem length of 9.4 cm, diameter the average stem is 0.74 cm, the average root length is 7.29 and the average root diameter is 0.25 cm. The ANOVA test showed that the significant value was <0.05, so there was a significant difference in the morphology of the seagrass. The cyanide content in the waters of Pewaringan Beach was found to be on average 12,341 mg/kg or 0.495 mg/L. According to the Ministry of Health of the Republic of Indonesia No. 57 of 2016 the standard cyanide content in waters is 0.5 mg/L. So that the cyanide content in the waters of Pewaringan Beach is still within safe limits.
Daily Activities and Preferences of Macaca fascicularis towards Food Types as The Basis Conservation and Supporting Ecotourism in The Pengsong Mountain M. Yamin; Dadi Setiadi; Khairuddin Khairuddin; Karnan Karnan
Jurnal Biologi Tropis Vol. 22 No. 2 (2022): April - June
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.v22i2.3457

Abstract

The Pengsong tourism area is a mountainous ecotourism area with beautiful natural scenery and attractive biodiversity, including the existence of the Macaca fascicular population. The type of Macaca fascicularis food is not yet known in the tourist area of Mount Pengsong, including carrying capacity of the population. The objectives of study are to determine the types of plants eaten and the types of food provided by visitors as well as the nutritional content of the food consumed by monkeys in the area, and the behaviours of Macaca fascicular as a management basis to support ecotourism in Mount Pengsong. The data collection was conducted using the “broad survey and line transect” method in the morning, afternoon and evening. The food data collected were include sources of food, drink, weathers, temperatures, moistures, slopes, altitude above sea level, and human activities in the vicinity. The behavioral data of Macaca fascicular studied were daily activities, mealtime, playing, resting, breeding, population structure, population disruptors, social patterns (solitary/pairs/groups) and cruising areas. As a result, the monkey diet in the form of plants was available around the tourist area as many as 23 species, 5 types of animals, 10 types of plant production in agricultural areas, and nine types of food provided by visitors. Nutritional needs and elements can be fulfilled from the availability of food sources and will be even more perfect by getting other food sources provided by visitors. Population control is needed so that the number of populations is in accordance with the carrying capacity of food sources. Macaca fascicular consumes a lot of plant species and is highly dependent on the availability of food in its environment, the food provided by visitors is favored by monkeys and provides good nutritional value. The Macaca fascicular population needs to be controlled so that it is in accordance with the carrying capacity of its environment and avoid damaging horticultural crops and plantation plants around the tourist area.
Analysis of Cadmium (Cd) Heavy Metal Content in Headsnake Fish (Channa striata) Derived from Rawa Taliwang Lake, West Sumbawa Regency 2021 Karina Legiarsi; Khairuddin Khairuddin; M. Yamin
Jurnal Biologi Tropis Vol. 22 No. 2 (2022): April - June
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.v22i2.3509

Abstract

Fish is one of the aquatic organisms that is often used as a biological indicators of heavy metals in waters. The purpose of the research about analysis of cadmium (Cd) heavy metal content in headsnake fish (Channa striata) derived from Rawa Taliwang Lake, West Sumbawa Regency 2021 is to determine the cadmium in headsnake fish from Rawa Taliwang Lake. The research was conducted for 2 months, starting from September-October 2021. Sampling was carried out by purposive sampling at 2 research stations. Fish samples were taken 2 fishes at each station using gill nets and plaited rattan fish trap. The fish species taken were headsnake fish. The research sample was then analyzed in the West Nusa Tenggara Health, Testing and Calibration Laboratory. The data analysis was carried out by taking muscle tissue from headsnake fish and then analyzing the content of heavy metal in the from cadmium using AAS (Atomic Absorbtion Spectrophotometry). The measurement result showed that heavy metal content of cadmium in headsnake fish from Rawa Taliwang Lake ranged from 0,115 mg/kg (ppm) to 0,161 mg/kg (ppm). This shows that Rawa Taliwang Lake has been contaminated by cadmium exceeds the threshold set by Food and Drug Supervisory Agency (BPOM) No.5 of 2018 concerning the Maximum Limit of Heavy Metal Contamination in Processed Food which is 0,1 mg/kg.
Persepsi Siswa terhadap Pembelajaran Tatap Muka dengan Sistem Bergilir Dibandingkan Pembelajaran Daring I Putu Artayasa; M. Yamin; Elga Amelinda Nathania; Feniysia Alfiana; Kasulasil Anwari
Jurnal Ilmiah Profesi Pendidikan Vol. 7 No. 2 (2022): Juni
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v7i2.527

Abstract

Penelitian ini bertujuan untuk mengetahui persepsi siswa terhadap penerapan pembelajaran tatap muka dengan sistem pembelajaran bergilir pada masa pandemi Covid-19. Jenis penelitian ini merupakan penelitian deskriptif dengan metode survei. Penelitian dilakukan pada siswa kelas XI SMA Negeri 1 Masbagik, Kabupaten Lombok Timur, Provinsi Nusa Tenggara Barat. Teknik pengumpulan data menggunakan instrumen berupa angket. Data penelitian berupa persentase jawaban siswa pada setiap indikator persepsi siswa terhadap penerapan sistem pembelajaran bergilir. Berdasarkan hasil analisis data bahwa dari 30 siswa yang menjawab kuesioner terdapat 80% siswa setuju dengan penerapan pembelajaran sistem bergilir dan 56,67 % siswa menyatakan pembelajaran sistem bergilir berjalan dengan cukup baik dan hanya 16,67% menyatakan berjalan kurang baik. Kesimpulan penelitian adalah persepsi siswa terhadap pembelajaran dengan sistem bergilir di masa pandemi cukup baik untuk diterapkan di sekolah. Keterbatasan sarana prasarana teknologi dan minimnya interaksi antara guru dan siswa selama pembelajaran daring merupakan alasan utama siswa menyatakan pembelajaran tatap muka dengan sistem bergilir lebih efektif bagi siswa dibandingkan dengan penerapan pembelajaran daring.
Co-Authors A. Wahab Jufri A. Wahab Jufri Abdul Syukur Agil Al Idrus Ahmad Raksun Alda Saputri Alwani Alwani Alya Septiana Andra Ade Riyanto Anisa Hasbudiana Awang Rizqi Ubaidillah Dadi Setiadi Darmansyah Dita Maulina Elga Amelinda Nathania Feniysia Alfiana Fitria Rahmadani Galuh Chandra Kirana Gito Hadiprayitno Hasita Pebrianti Heny Wardani Hestiani Putri I Gde Mertha I Putu Aryatasa Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin Karina Legiarsi Karnan Karnan Kasulasil Anwari Khairuddin Khairuddin Khairuddin Khairuddin - Khairuddin Khairuddin Khairunnisyah Sahidu Kusmiyati Kusmiyati Lili Mantika Shoalichin M. Liwa Ilhamdi Mohammad Liwa Ilhamdi Muhamad Alfian Yunanmalifah Muhlis Muhlis Ni Luh Putu Pebri Artayani . Nur Lestari Nurwahdania Nurwahdania Putu Artayasa Ratu Mas Tara Indriani Rayyana Rayyana Rifcka Aulia Hidayati SATRIYAS ILYAS Sirni Hadriwani Widya Nartika Sari Widya Septiani