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All Journal Jurnal Biologi Tropis Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Ilmiah Profesi Pendidikan
M. Yamin
Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Immunology & microbiology Library & Information Science Public Health Social Sciences

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Journal : Jurnal Biologi Tropis

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Analyss of Heavy Metal Content of Copper (Cu) in Cork Fish From Rawa Taliwang Lake, West Sumbawa Regency 2021 Galuh Chandra Kirana; Khairuddin Khairuddin; M. Yamin
Jurnal Biologi Tropis Vol. 22 No. 3 (2022): July - September
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.v22i3.3957

Abstract

Rawa Taliwang Lake is the largest freshwater fish source in West Sumbawa Regency. Channa striata is a fish that is in great demand because of its health benefits. Fish are organisms that are used as bioindicators of heavy metals in waters. This study aims to determine the metal content of Copper (Cu) in Channa striata from Rawa Taliwang Lake and to find out Channa striata from Rawa Taliwang Lake is still suitable for consumption according to the copper metal contamination threshold in food. This research was conducted at Lake Rawa Taliwang in September-November 2021. Data collection was carried out by purposive sampling method at 2 research stations, namely the East side and the West side. The sample in this study were 4 Channa striata caught with fish traps. The samples were then analyzed for the content of copper (Cu) which was carried out at the BLKPK NTB Province using Atomic Absorption Spectrophotometry (AAS). The body part of the fish that is meticulous is the flesh of the fish that has been cleaned of scales and removed from the internal organs. The test results showed that the average metal content of copper (Cu) in Channa striata from Lake Rawa Taliwang was around 0.697 mg/kg (ppm). The content of copper metal (Cu) in Channa striata from Lake Rawa Taliwang is still below the maximum threshold for metal contamination in food in accordance with the Regulation of the Directorate General of Drug and Food Control Number: 03725/B/SK/VII/89 concerning the maximum threshold for metal contamination, namely 20.0 mg/kg.
Population and Coservation of Macaca fascicularis for Ecotourism Contributing on Sekaroh Forest Area, East Lombok Regency M. Yamin; Karnan Karnan; Khairuddin Khairuddin
Jurnal Biologi Tropis Vol. 22 No. 4 (2022): October - December
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.v22i4.4384

Abstract

The Sekaroh Forest Area is one of the fastest growing tourist destinations. This study aims to obtain an accurate description of the population, abundance, food and food sources as well as habitat conditions. Population data of Macaca fascicularis was taken through a census by exploring, observing and observing the type of habitat. Food and food sources, especially those from vegetation elements, were taken using the quadratic method at the observation station. The data obtained were analyzed qualitatively and quantitatively. The results of the study found that the population of Macaca fascicularis in the Sekaroh Forest Area, East Lombok Regency, amounted to 92 individuals. Monkeys consume 33 types of plants, 4 types of insects and are very dependent on the availability of food in their environment, the food provided by visitors is liked by monkeys and provides good nutritional value. Residents in the Sekaroh Forest Area consider the presence of Macaca fascicularis as an agricultural pest. In addition, the population of Macaca fascicularis needs to be controlled as an effort to mitigate agricultural pests and support ecotourism. Local residents need to be involved in Macaca fascicularis conservation efforts in the Sekaroh Forest Area for security and to avoid conflict.
The Koak Kaok (Philemon buceroides) Preference for Food Types in Its Natural Habitat on Moyo Island M. Yamin; I Gde Mertha; I Putu Aryatasa
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): 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.v23i2.4914

Abstract

This research aims to; 1) obtaining a comprehensive and accurate description of the type, composition, and nutritional content of Philemon buceroides food in its natural habitat, 2) the basis for preparing pellets, and 3) input for conservation efforts. Identification and analysis the types of materials that birds eat using a light microscope and a scanning electron microscope (SEM). The composition and chemical content of food nutrients were analyzed using the Kjedhal Gunning Method (AOAC, 1970). As a result, there are two kinds of food for Philemon buceroides, sourced plant parts and insects. Food in the form of plant parts is nectar and fruit from 9 species, 7 species providing food in the form of fruit and two species providing nectar. It eats seven types of insects, that is Diptera, Cryptotympanus accuta, Hymenoprera, Kampi neurobasis, larvae, Orthoptera and Oecophyla samaradigna. The composition and nutritional content of the food consists of 4 types, namely protein 36.8%, carbohydrates 29.6%, fat 20.73%, fiber, vitamin A, vitamin B, vitamin C, and various minerals and water 10 - 76%.
Analysis of Cadmium (Cd) Heavy Metal Content in Mosambique Tilapia Fish (Oreochromis mossambicus) Derived from Rawa Taliwang Lake to Enrich Ecotoxicology Lecture Material in 2022 Alda Saputri; Khairuddin Khairuddin; M. Yamin
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): 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.v23i2.4845

Abstract

Rawa Taliwang Lake is used as a tourist spot, recreation, irrigation of agricultural land and fishing grounds by local fishermen. Increased community activity around the lake causes heavy metal pollution to enter the waters. The purpose of this study was to determine the levels of cadmium (Cd) in mosambique tilapia fish from Rawa Taliwang Lake thus enrich ecotoxicology lecture material and find out whether mosambique tilapia fish from Rawa Taliwang Lake is still safe for consumption based on the Food and Drug Control Agency (BPOM) Regulation No. 9 of 2022 concerning requirements for heavy metal contamination in food processing. Sampling used a purposive sampling method and analysis of cadmium using Atomic Absorption Spectrophotometer. The results showed that the concentration of cadmium heavy metal in mosambique tilapia fish 0,1977 mg/kg and it is still safe for consumption by the public because it still below 0,30 mg/kg. Suggested further research regarding analysis of metals in various types of fish and fish body tissues such as kidneys, liver and gills as a comparison.
Analysis of Mercury (Hg) Heavy Metal Content in Rice Snail (Pila ampullacea) Derived from Rawa Taliwang Lake, West Sumbawa Regency Khairuddin; M. Yamin; Kusmiyati
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): 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.v23i2.4875

Abstract

Danu Rawa Taliwang is a large body of water that receives sources of heavy metal pollution from human activities such as agriculture and mining. By using bioindicators such as fish, heavy metals have been detected in the waters. The aim of the study was to determine the content of heavy metal mercury (Hg) in the Rice Field Snail (Pila ampullacea) originating from Lake Rawa Taliwang to enrich Ecotoxicology course material. The special benefit is to protect consumers who consume fish from heavy metal contaminants.  Sample Snail was put into a plastic bag and then stored in a sample box. The research sample was then analyzed at the Environmental Laboratory Center for the West Nusa Tenggara Environment and Forestry Office. The method of data analysis was carried out by taking muscle tissue from snails and then analyzing the content of heavy metals in the form of Hg using an Atomic Absorption Spectrophotometer. Heavy metals in snail tissue were measured after adding concentrated HNO3 and HClO4, which were heated at 60-70ºC for 2-3 hours until the solution was clear. Ready samples were measured by AAS using an air-acetylene flame. The conclusion of this study is that the heavy metal content of Hg in rice field snails (Pila ampullacea) originating from Lake Rawa Taliwang to enrich Ecotoxicology course material ranges from 0.96 ppm to 1.91 ppm.
The Effect of NPK Fertilizer and Tofu Dregs Organic Fertilizer on The growth of Land Kale Plants (Ipomea reptans Poir) Rayyana Rayyana; Ahmad Raksun; M. Yamin
Jurnal Biologi Tropis Vol. 23 No. 4 (2023): October - December
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.v23i4.5503

Abstract

Tofu dregs have a fairly high protein content because not all of the protein content is decomposed during the production of tofu. Tofu dregs are not put to good use, in fact many people actually dispose of waste which causes environmental pollution. The aim of the study was to determine the effect of NPK fertilizer and tofu dregs organic fertilizer, as well as the combination of these fertilizers on the growth of ground water spinach (Ipomea reptans Poir). The type of research is an experimental 4x4 factorial with a completely randomized design. The first factor was NPK fertilizer which consisted of 4 levels (0, 0.4, 0.8 and 1.2 g/100 ml of water). The second factor was tofu dregs organic fertilizer (0, 50, 100, 150 g/3 kg soil) which consisted of 16 treatment combinations. Test the research hypothesis using TWO WAY ANOVA. The results showed that the application of NPK fertilizer and organic tofu dregs had an effect on fresh weight, plant height, dry weight, and number of leaves. However, it has no effect on leaf area. Application of organic tofu dregs fertilizer at a dose of 150 g/3 kg of soil, and NPK fertilizer 0.4 and 0.8 g/100 ml of water resulted in the best growth of kale plants at the age of 30 days.
Co-Authors A. Wahab Jufri A. Wahab Jufri Abdul Syukur Agil Al Idrus Ahmad Raksun Alda Saputri Alwani Alwani Awang Rizqi Ubaidillah Dadi Setiadi Darmansyah Dita Maulina Elga Amelinda Nathania Feniysia Alfiana Fitria Rahmadani Galuh Chandra Kirana Gito Hadiprayitno I Gde Mertha I Putu Aryatasa Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin Karina Legiarsi Karnan Karnan Kasulasil Anwari Khairuddin Khairuddin Khairuddin - Khairuddin Khairuddin Khairunnisyah Sahidu Kusmiyati Kusmiyati Lili Mantika Shoalichin M. Liwa Ilhamdi Muhamad Alfian Yunanmalifah Muhlis Muhlis Ni Luh Putu Pebri Artayani . Nur Lestari Putu Artayasa Ratu Mas Tara Indriani Rayyana Rayyana Rifcka Aulia Hidayati SATRIYAS ILYAS Sirni Hadriwani Widya Nartika Sari Widya Septiani