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INDONESIA
Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi Sains.
Arjuna Subject : -
Articles 2,520 Documents
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Color Diversity of Moringa oleifera Plants in Essang Village Based on Morphology Farneubun, Hana Carolina Elisabeth; Prasetyo, Endry Nugroho
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.11055

Abstract

Moringa (Moringa oleifera) is a nutritionally rich multipurpose plant that is locally cultivated on Poteran Island, Sumenep Regency, where community members in Essang Village traditionally distinguish moringa plants based on petiole color. Based on this local classification, this study aimed to assess the phenotypic diversity and kinship relationships among moringa plants in Essang Village through morphological characterization. Sampling was conducted randomly on ten individual plants, and observed characters included petiole color, leaf apex shape, leaf margin, leaf surface color, stem color, and vegetative organ dimensions. Morphological data were analyzed using MVSP software to generate a dendrogram illustrating kinship relationships. The identification results revealed four petiole-based color groups—white, green, purple, and red—with distinct morphological patterns. Cluster analysis indicated a close kinship relationship between the white and green groups, while the purple and red groups formed a separate cluster. Key distinguishing traits among the groups included petiole color, leaf apex shape, and leaf margin characteristics. Overall, this study demonstrates the presence of local-level phenotypic diversity in M. oleifera populations, providing valuable baseline information for taxonomic studies and supporting local germplasm conservation and sustainable utilization efforts.
Assessing Indonesia’s Social Forestry Achievements within the Enhanced Nationally Determined Contribution (ENDC) Framework Maulana, Bangkit; Sjah, Taslim; Budastra, Ketut
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
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.v26i1.11060

Abstract

Global climate change demands concrete commitment from every country to reduce greenhouse gas emissions. Indonesia established Enhanced Nationally Determined Contribution with emission reduction targets of 31.89% unconditionally and 43.20% conditionally by 2030, with Forest and Other Land Use sector as key to achieving Net Sink 2030. Social Forestry program plays strategic role but faces complex challenges related to community capacity, institutional coordination, and regulatory alignment. This study analyzes position and contribution of Social Forestry toward Enhanced Nationally Determined Contribution achievement using Systematic Literature Review of 25 publications from 2020-2025. Secondary data from policy documents and official reports were analyzed using DPSIR Framework approach. Results show Social Forestry program until 2024 covers 8.02 million hectares of 12.7 million hectares target with carbon stock reaching 110.5 million tons CO2eq and potential contribution of 34.6% toward forestry sector emission reduction target. Program successfully reduced deforestation rate to lowest level in 20 years at 115,459 hectares in 2019-2020. Main challenges include limited community capacity, excessive administrative burden, weak coordination, and regulatory misalignment. Optimization requires capacity strengthening, procedure simplification, effective coordination, regulatory synchronization, and integration with carbon economic value schemes to achieve Forest and Other Land Use Net Sink 2030.
Assessing Fungal Diversity in a Tropical Urban River Through Environmental DNA Metagenomics Sukma, Kenia Permata; Widana, Agus; Depi, Sinta; Nabila, Dinah
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.11063

Abstract

Fungal community composition and abundance in river ecosystems are highly responsive to hydrological processes, terrestrial runoff, and anthropogenic pressures, making riverine fungi a sensitive biological indicator of water quality and overall ecological condition. This study employed Oxford Nanopore-based shotgun metagenomics to characterize fungal communities from two segments in Cikapundung River, Indonesia, differing in human impact. Water samples were vacuum-filtered, DNA was extracted and sequenced, and taxonomic profiles were generated. Results revealed that both sites were dominated by plant-associated Ascomycota, particularly several Pyricularia species, indicating strong terrestrial-aquatic connectivity driven by riparian plants and terrestrial plant debris entering the river. Cikapundung B site exhibited higher fungal abundance and diversity than Cikapundung A site, while Bray-Curtis PCoA showed clear compositional separation between sites, reflecting spatial ecological stress. Although a considerable proportion of reads remained unclassified due to limited fungal reference genomes, dominant taxa provided ecologically meaningful insights. These findings demonstrate that fungal environmental DNA could indicate environmental conditions in tropical urban rivers and highlight the potential and limitation of metagenomic approaches for river health monitoring and watershed management.
Description of Interprofessional Collaboration Between Pharmacists and Doctors in Management of TBC Patients in Community Health Lombok Island Maghfirahandini, Reivirly Khairadaty; Andanalusia, Mahacita; Adni, Azizatul; Saputra, Yoga Dwi
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.11071

Abstract

Tuberculosis (TB) remains a priority health problem in Indonesia, with West Nusa Tenggara Province reporting 11,061 cases in 2023, most of which originated from Lombok Island. TB treatment success rates in this region remain below national targets, necessitating effective interprofessional collaboration between physicians and pharmacists as key players in therapy management. This study aims to describe the interprofessional collaboration between pharmacists and physicians in TB patient management at community health centers (Puskesmas) across Lombok Island. The study used a quantitative descriptive method involving 54 pharmacists selected through purposive sampling. The instrument used was the Pharmacist–Physician Collaborative Index (PPCI), which assesses three main domains: trust, initiating relationships, and role specification, as well as one additional domain: collaborative practice. Analysis was conducted descriptively based on the categorization scores for each domain. The results showed that the level of collaboration was in the moderate category. The trust domain was in the moderate category, the initiating relationship was in the moderate category, and the role specification was in the adequate category. Overall, collaborative practices were deemed quite effective. These results indicate that although collaboration has been established, improvements in communication, role clarity, and consistent information exchange are still needed to support optimal TB management in community health centers.
Effect of Indian Camphorweed (Pluchea indica) Leaves Ethanol Extract on rd3 Instar Larva Spodoptera litura Mortality Bahri, Syamsul; Mertha, I Wayan; Khairuddin, Khairuddin
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-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.v25i3.11075

Abstract

Spodoptera litura, known as the tobacco cutworm or oriental leafworm moth, is a highly destructive, polyphagous pest that attacks over 250 crops, causing significant damage to leaves and making it a serious threat across Asia, Oceania, and Africa. To control the population of this species, the use of insecticides of plant origin is worth considering.  Pluchea indica is a species known to contain secondary metabolites with insecticide properties. This study aimed to determine the effect of ethanol extract of indian camphorweed (Pluchea indica) leaves on rd3 instar larva Spodoptera litura mortality. This study used a completely randomized design (CRD) consisting of 6 concentrations of indian camphorweed (Pluchea indica) leaves ethanol extract, namely, 0, 250, 300, 350, 400, 450 and 500 ppm. Each treatment used 7 larvae with 5 repetitions. The mortality of larvae was observed for a 24-hour period by counting the number of nd2 instar larvae that died after having been treated.  All data collected were analyzed with One-Way ANOVA. Statistical analysis showed that the ethanol extract of beluntas leaves significantly increases the nd2 instar larvae of S. litura mortality by 60.0% at a concentration of 500 ppm.
Relationship Between Physical Activity Intensity and Total Cholesterol Levels in Elderly at Social Welfare Service Unit (UPTD) for Elderly, Kupang Tenis, Linus Chaesarandy; Koamesah, Sanggwana Marthen Jacobus; Riwu, Audrey Gracelia; Rini, Desi Indria; Woda, Rahel Rara
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.11077

Abstract

The increasing number of elderly individuals in Indonesia each year is accompanied by a higher prevalence of degenerative diseases, including hypercholesterolemia. However, with advancing age, elderly individuals tend to experience a decline in functional capacity, leading to reduced physical activity. This study aimed to analyze the relationship between physical activity intensity and total cholesterol levels among elderly residents at the Kupang Elderly Social Welfare Technical Implementation Unit (UPTD) in 2025. This analytical study employed a cross-sectional design involving elderly residents of the Kupang Elderly Social Welfare UPTD. Data were examined through both univariate and bivariate analyses employing the Chi-square test with a significance threshold of p < 0.05. A majority of the respondents fell into the young elderly category (60–69 years) and were mostly women. The findings revealed that the greater part of older participants showed low intensity in physical activity while having elevated total cholesterol levels. The Chi-square analysis demonstrated a meaningful connection between the intensity of physical activity and total cholesterol levels (p < 0.05). These findings suggest that a decrease in physical activity intensity correlates with an increase in total cholesterol levels among seniors. A noteworthy relationship exists between physical activity intensity and total cholesterol levels in elderly individuals at Kupang Elderly Social Welfare UPTD. Regular and appropriately tailored physical activity serves as an important strategy to maintain lipid metabolism balance and prevent cardiovascular disease risks in the elderly population.
Relationship Between Physical Activity Intensity and Uric Acid Levels in Elderly at Social Welfare Service Unit (UPTD) for Elderly, Kupang Maing, Agatha Juventia Regina Getrude; Koamesah, Sangguanah Marthen Jacobus; Syahrir, Syahrir; Deo, Dwita Anastasia
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.11078

Abstract

The increasing number of elderly individuals in Indonesia has led to a higher prevalence of degenerative diseases, including hyperuricemia. Elevated uric acid levels are often associated with a sedentary lifestyle and low physical activity. Elderly individuals living in social institutions tend to have uniform activity patterns and limited mobility, which may increase their risk of developing elevated uric acid levels. To analyze the relationship between physical activity intensity and uric acid levels among elderly residents at the Kupang Elderly Social Welfare Technical Implementation Unit (UPTD). This was an analytical study with a cross-sectional design involving 45 elderly participants selected through purposive sampling. The intensity of physical activity was assessed using the Physical Activity Scale for the Elderly (PASE) questionnaire, while uric acid levels were measured using a Glucose, Cholesterol, and Uric Acid (GCU) Meter Device. Data were analyzed using univariate and bivariate analyses with the Spearman’s Rho test at a significance level of p < 0.05. Most respondents were aged 60–69 years, and the majority were female. Most elderly participants had low physical activity levels and elevated uric acid levels. The Spearman’s Rho test showed a significant relationship between physical activity intensity and uric acid levels (p < 0.05). There is a significant relationship between physical activity intensity and uric acid levels among elderly individuals at the Kupang Elderly Social Welfare UPTD. Regular physical activity with appropriate intensity according to individual capacity is important to maintain purine metabolism balance and prevent the risk of hyperuricemia.
Measurement of Lead content in Channa striata by using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) Khairuddin, Khairuddin; Yamin, M.; Kusmiyati, Kusmiyati; Sedijani, Prapti
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.11081

Abstract

Research on heavy metals Pb is important to be done to protect consumers from dangerous impact, especially on human beings. The purpose of this study was to determine the Lead (Pb) content in Snakehead fish (Channa striata) taken from Rawa Taliwang Lake. Data collection for the Snakehead fish (Channa striata) species in this study was carried out in water bodies of Taliwang Lake area. There were 2 data collection stations, namely on the east and west parts of the lake. Gill nets were used to catch fish. Fish samples were caught as many as 4 fish for each station. The fish samples were then analyzed at the West Nusa Tenggara Health, Testing, and Calibration Laboratory Center. The data analysis method was carried out by taking muscle tissue from the fish and then analyzing the Pb heavy metal content using an Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). Pb found in Snakehead fish in this research is 0,44 ppm. The benefit of this study is to protect consumers who consume Snakehead fish from Lead heavy metal contaminants. The concentration of Lead in fish tissue was measured after adding concentrated 10 ml HNO3 and 2 ml H2O2 30%. The conclusion of this study is that the heavy metal content of Pb in Channa striata is 0.44 ppm.Reaseach on Pb heavy metal sould be continued in order to protect consumers from metal contamination.
Diabetic Ketoacidosis and Hyperosmolar Hyperglycemic State: Diagnosis and Management in Emergency Condition – A Literature Review Wongso Prawiro, Aurellia; Rofilah, Alita Khainur; Putri, Imey Pinasty Harianto; Praditna, Lalu M. Ardi; Hasanah, Mielosita; Husodo, Dewi Puspitorini
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.11083

Abstract

Diabetic ketoacidosis (DKA) commonly occurs in type 1 diabetes due to absolute insulin deficiency, whereas HHS typically develops in type 2 diabetes with relative insulin deficiency. These distinct mechanisms result in different clinical and laboratory profiles. This review aims to compare the pathogenesis, clinical features, and current management of DKA and HHS. This study employed a narrative literature review design. Articles were retrieved from PubMed, Scopus, and Google Scholar using the keywords “diabetic ketoacidosis,” “hyperosmolar hyperglycemic state,” “diabetes mellitus,” and “complications,” covering publications from 2015 to 2025. A descriptive analysis was performed to highlight epidemiology, pathogenesis, clinical manifestations, and emergency management principles. The review indicates that DKA is more frequent and associated with lower mortality when promptly recognized and treated. In contrast, HHS is less common but carries a higher mortality rate, mainly due to severe dehydration, insidious onset, and delayed diagnosis. Management principles for both conditions are similar, including fluid resuscitation, insulin therapy, electrolyte correction, and treatment of precipitating factors. A comprehensive understanding of the differences between DKA and HHS is essential to support early diagnosis, guide appropriate treatment, and reduce mortality.
Oxidation Parameters of Sardine Oil Extracted from Fish Oil Emulsion Haryati, Kristina
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
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.v25i4b.11084

Abstract

Fish oil contains polyunsaturated fatty acids, so it is made into an emulsion preparation. The emulsifier used must be able to protect the oil during storage. The purpose of this study was to determine the oxidation parameters of sardine fish oil extracted from the emulsion. The research method was divided into 2 stages, namely oil extraction from the emulsion using the Bligh and Bryer methods; oxidation parameter testing carried out included determining the levels of free fatty acids (FFA), peroxide value (PV), acid value (AV), anisidine value (AnV), and total oxidation (Totoks) based on AOCS 1998. The results showed that the highest FFA value was in formula 3:2 followed by formula 1:2, 1:1, and the lowest was in formula 3:1. The highest PV value was in formula 1:2 followed by formula 1:1, 3:2, and the lowest was in formula 3:1. The highest AV value was in formula 3:2 followed by formula 1:2, 1:1, and the lowest was in formula 3:1. The highest AnV and Totoks values were found in formula 1:2 followed by formula 1:1, 3:2, and the lowest was in formula 3:1. These findings indicate that the oil extracted from formula 3:1 has lower oxidation parameter values than the others. Thus, this study indicates that the oxidation parameters of the oil extracted from the emulsion have not met the IFOS standard, and another emulsifier is needed to protect the oil in the form of an emulsion preparation during storage.

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