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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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DNA Barcode Analysis of Dendrobium sp. Based On rbcL Sequence Dwinianti, Edia Fitri; Durotun Ainiyah; Yusfi Afidah; Mukhamad Su'udi
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10177

Abstract

Morphological characterization of Dendrobium orchids needs to be supported by the utilization of DNA barcoding as a faster and more accurate approach. This study aims to identify the rbcL marker as a potential barcode for Dendrobium sp. collected from Jenggawah, Jember. The isolation of Dendrobium sp. genomic DNA was performed using the CTAB method, and the isolated DNA was amplified using PCR. The PCR products were used for sequencing analysis, and the sequence data were analyzed using several bioinformatics programs namely BLAST, ClustalX 2.1, and MEGA11. The results showed that the Dendrobium sp. sequence had a high level of homology with Calanthe alpina (MN192480.1), with a genetic similarity of 99.82%. The sequence analysis results of rbcL in Dendrobium sp. showed low genetic variation, which made rbcL less effective for use as a molecular marker at the species level. The rbcL barcode showed universal results for Dendrobium sp., so it needs to be supported by molecular identification using other markers such as matK and ITS for a more effective identification method in distinguishing between species.
Factors Associated with Compliance to Iron Supplementation Tablet Consumption Among Adolescent Girls in Coastal Area of West Lombok As Shiddiq, Muhammad Hilmy; Lestarini, Ima Arum; Restuningdyah, Novia Andansari Putri
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10188

Abstract

Anemia remains a major health problem among adolescent girls in Indonesia, with significant implications for reproductive health and productivity. Since 2014, the government has implemented an iron supplementation program through schools, yet compliance remains low. This study aimed to analyze the relationship between family support, teacher support, peer support, and socioeconomic status with compliance to iron tablet consumption among adolescent girls at SMAN 1 Lembar. This was an analytical observational study with a cross-sectional design. A total of 84 students were selected using purposive sampling. Data were collected through a validated and reliable online questionnaire and analyzed using the Chi-Square test. The results showed significant associations between teacher support (p<0.05) and peer support (p<0.05) with compliance to iron tablet consumption, while family support and socioeconomic status showed no significant associations (p>0.05). In conclusion, compliance with iron tablet consumption among adolescent girls is more strongly influenced by teacher and peer support than by family or socioeconomic factors. Strengthening school involvement and peer influence may serve as effective strategies to improve adherence and enhance anemia prevention programs.
Clinical and Epidemiological Overview of Influenza: A Literature Review Rifki, Muhammad; Rachman, Amanda Azkiyah; Salsabila, Tsania Zulfa; Larasati, Anak Agung Ayu Regina; Paradiesta, Andi Frieskha Naurah
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10278

Abstract

Influenza is an acute contagious respiratory infection that remains a major global health concern due to its high transmissibility and ability to undergo genetic variations through antigenic drift and shift. This review aims to provide a comprehensive understanding of the definition, epidemiology, pathophysiology, clinical manifestations, diagnostic methods, management, complications, and preventive strategies of influenza based on recent scientific evidence. A narrative review method was employed by analyzing publications from 2008 to 2025, sourced from PubMed, ScienceDirect, and Google Scholar, using keywords such as “influenza,” “respiratory infection,” “antiviral therapy,” and “influenza vaccination.” The findings show that influenza affects approximately one billion people globally each year, with 3–5 million severe cases and 290,000–650,000 respiratory deaths, particularly among vulnerable groups including children, the elderly, pregnant women, and individuals with chronic diseases. The infection is caused by influenza viruses type A, B, C, and D, with type A being the most associated with epidemics and pandemics. Diagnosis is primarily based on clinical assessment supported by RT-PCR as the gold standard, while neuraminidase inhibitors such as oseltamivir and zanamivir remain the mainstay of therapy when administered early. Annual vaccination remains the most effective preventive measure, complemented by non-pharmacological interventions such as hand hygiene, mask use, and respiratory etiquette. In conclusion, strengthening surveillance systems, improving vaccination coverage, and enhancing early diagnostic capacity are essential strategies to reduce the global burden of influenza and its complications.
The Effect of Knowledge Level on Anemia among Adolescent Girls in Coastal West Lombok Rachman, Amanda Azkiyah; Lestarini, Ima Arum; Bahraen, Raehanul
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10282

Abstract

Hemoglobin levels below 12 g/dL, or anemia, continue to be a serious health issue in developing nations like Indonesia. Teenage girls in coastal areas are particularly at risk. Although research in West Lombok is still in its infancy, knowledge is thought to be the first step in prevention. The aim of this study is to analyze the effect of knowledge level on anemia among adolescent girls in coastal West Lombok. This categorical analytic observational study applied a cross-sectional design, chosen for its efficiency in assessing associations at a single point in time. Purposive sampling recruited 101 respondents who met inclusion criteria (female, aged 15–19, residing in coastal West Lombok, willing to participate). Exclusion criteria included chronic illness or refusal of blood testing. Data were obtained using a validated online questionnaire and hemoglobin measurement. Statistical analysis employed Chi-square test with SPSS version 25.0. The result indicated no significant association was found between knowledge and anemia (p=0.599). However, girls with low knowledge had 1.3 times higher risk of anemia (OR=1.295; 95% CI: 0.493–3.399), suggesting other contributing factors such as nutrition and socioeconomic conditions. In conclusion, knowledge alone does not significantly affect anemia incidence. Integrated education, nutritional interventions, and routine iron supplementation are recommended, with further studies needed.
Behavioral and Physiological Symptoms of Dementia (BPSD): A Literature Review Larasati, Anak Agung Ayu Regina; Nuriasti, Rovera; Febriana, Nanggi Qoriatul; Dwiandika, Rizki Ary; Mahardika, Agustine
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10291

Abstract

Dementia is a progressive syndrome characterized by cognitive decline, impacting daily functioning. Behavioral and Psychological Symptoms of Dementia (BPSD), including sleep disturbances, hallucinations, delusions, apathy, depression, and agitation, are prevalent in over 90% of patients, further exacerbating their quality of life and increasing caregiver burden. This research aims to evaluate the effectiveness of both pharmacological and non-pharmacological interventions in managing BPSD, focusing on non-pharmacological methods such as cognitive therapy and social stimulation. Data was collected through a comprehensive review of recent studies, analyzing interventions and their outcomes in reducing BPSD symptoms. The findings reveal that non-pharmacological approaches are more effective in reducing agitation and depression, with cognitive therapy showing up to 75% effectiveness. In contrast, pharmacological treatments, though useful for acute symptoms, offer limited long-term benefits. The research underscores the need for integrated, evidence-based approaches, combining medical and psychosocial support to improve patient care and alleviate caregiver stress. These findings suggest the importance of adopting holistic management strategies, particularly those that reduce isolation and enhance social interaction, in the long-term care of dementia patients.
Nail Disorders as Manifestations of Systemic Diseases Ramdhini, Tisya Nasywa; Setiasari, Febi Jian; Salsabila, Adilah Nur; Pramudiantara, Gede Naradhea; Nabila S., Aqilla Nasywa; Ilham, Muhammad Fadani; Josafat, Anom
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10308

Abstract

Nails are often overlooked in clinical examinations, despite their ability to provide important information regarding systemic health conditions. Changes in nail morphology, color, and growth frequently reflect underlying metabolic, hematological, autoimmune, infectious, and neoplastic disorders. This article aims to comprehensively review various nail abnormalities as manifestations of systemic diseases. The method used was a narrative literature review with article searches conducted through PubMed and Google Scholar databases using the keywords nail abnormalities, systemic diseases, nail manifestations, and clinical signs. Articles published between 2015 and 2025 were selected based on relevance, with inclusion criteria consisting of clinical studies, case reports, and reviews discussing the association between nail abnormalities and systemic diseases, while excluding literature that focused solely on local nail disorders without systemic relevance. The results indicate a range of nail abnormalities associated with systemic diseases, including splinter hemorrhage in infective endocarditis and vasculitis, clubbing finger in lung cancer and cyanotic congenital heart disease, subungual hyperkeratosis in psoriasis and onychomycosis, nail bed pallor in chronic anemia, koilonychia in iron deficiency anemia, onychomycosis in diabetes and immunodeficiency, as well as yellow nail syndrome related to lymphatic dysfunction, respiratory disorders, and autoimmune diseases. Other manifestations such as leukonychia, Mees’ lines, Terry’s nails, half-and-half nails, and Beau’s lines were also identified in metabolic disorders, renal disease, and toxin exposure. In conclusion, nail examination can serve as a valuable non-invasive method in detecting systemic diseases. Early identification of nail changes has the potential to assist clinicians in establishing diagnoses, accelerating interventions, and improving the quality of patient management.
Influence of NPK and Bokashi on Growth and Chlorophyll Content of Pakcoy (Brassica rapa L.) Safitri, Ila; Mertha, I Gde; Raksun, Ahmad
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10393

Abstract

This study aimed to evaluate the effects of NPK fertilizer and bokashi on the vegetative growth and chlorophyll content of pakcoy (Brassica rapa L.). The objective was to determine both the single and interactive effects of these fertilizers on various growth parameters. The experiment was conducted at the Greenhouse of the Faculty of Agriculture, University of Mataram, from May to July 2025, using a completely randomized design (CRD) with two factors. The treatments consisted of five levels of NPK fertilizer (0–2 g/100 ml water) and five levels of bokashi (0–400 g/polybag). Data were analyzed using two-way ANOVA and Duncan’s Multiple Range Test (DMRT) at a 5% significance level. Results showed that NPK fertilizer significantly affected all growth parameters and chlorophyll content, while bokashi significantly influenced plant height, fresh weight, and dry weight. The interaction between NPK and bokashi significantly affected plant height and biomass but not leaf number, leaf area, or chlorophyll content. The best growth was obtained with 1.5 g NPK/100 ml water combined with 300 g bokashi/polybag. In conclusion, integrating organic and inorganic fertilizers improves nutrient efficiency and pakcoy productivity. These findings recommend integrated fertilization practices to promote sustainable crop production.
Biodiversity Conservation through the Ecological Approach of Philemon buceroides on Moyo Island, West Nusa Tenggara Yamin, M.; Khairuddin, Khairuddin; Artayasa, I Putu
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10410

Abstract

The presence of endemic species is very important for ecosystem balance, scientific knowledge, and the identity of a region. Philemon buceroides is one of the endemic animals in West Nusa Tenggara (NTB). This paper analyzes its ecological aspects on Moyo Island and examines its role in supporting biodiversity conservation efforts. Data collection was conducted using survey and point observation methods across three habitat types: plantations, forest edges, and the interior forest. The data collected included food, habitat vegetation, associations, and predators. The results identified 51 species, of which 56.86% are used as sources of food, resting places, play areas, shelter, and breeding. P. buceroides prefers trees with heights between 10 and 30 meters. Five plant species provide food in the form of nectar and fruit, three species are used for sleeping, and two species are used for nesting. The presence of P. buceroides as an endemic species in NTB plays an important role in maintaining the ecological balance of Moyo Island. Its dependence on various types of vegetation indicates its vital function in forest ecology as well as its potential as an indicator in biodiversity conservation efforts.
Preferences and Distribution of Feed Sources of Long-Tailed Macaque (Macaca fascicularis) at Utilization Block of Kerandangan Nature Tourism Park Andriyani, Anis Octa; Syaputra, Maiser; Wahyuningsih, Endah
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.10422

Abstract

The preservation of the long-tailed macaque's natural food supplies is one way to help conservation efforts for the species, as it ensures that there are enough food sources to sustain its survival. Managers can implement habitat development through food source augmentation when food supplies are scarce. This study aims to determine the food preferences of long-tailed monkeys and also to determine the plants that are the food sources of long-tailed macaque. The research method uses the line transect method to determine the presence of long-tailed macaque, and the distribution of food sources uses the grid line method. The results found that the food tree with the highest level of use 29% (the most consumed part is fruit) is (Diospyros macrophylla) and the lowest (gmelina arborea) 2% (the part consumed is young leaves/shoots). The most consumed part of the plant is fruit 51%, followed by leaves 47%, and flowers 2%, indicating a tendency for frugivory. Feeding activities are carried out at three main times: morning (06.35 – 10.45), afternoon (12.07 – 15.00), and evening (15.00 – 16.15) following a diurnal pattern, (Tamarindus indica), (Artocarpus heterophyllus), and (Pterospermum javanicum) have a high level of mastery based on the INP. Long-tailed macaque food trees in the Kerandangan TWA Utilization Block have a clustered pattern, with a Morisita Index value for all observed species. Conclusion, regular monitoring of the population and food sources of long-tailed macaque food is needed in the future to see the ecological dynamics that occur.
Difference In Knowledge About Stunting Among Families with Stunted Children and Non-Stunted Children in Labuhan Haji Village, East Lombok Sesariana, Mayumi Agestia; Djannah, Fathul; Cahyawati, Triana Dyah; Restuningdyah, Novia Andansari Putri
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-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.v25i4.8520

Abstract

Stunting is a condition characterized by a child's height or length being below the predicted range for their age, defined by a z-score of ≤2 SD in accordance with WHO child growth criteria. Stunted children suffer from growth retardation caused by malnutrition resulting from inadequate dietary practices or frequent illnesses. SSGI data indicates that East Lombok Regency holds the third highest stunting rates in the NTB province. The knowledge possessed by caregivers correlates with the prevalence of stunting. This study seeks to ascertain the disparity in knowledge between households with stunted children and those with non-stunted children in Labuhan Haji Village, East Lombok. This study is an analytical observational research employing a cross-sectional methodology. 120 participants were chosen using sequential sampling for the data collection. Families with and without stunted children's knowledge of stunting was compared using the Kruskal-Wallis H test on SPSS. The study's findings indicate that families in Labuhan Haji Village, East Lombok, with stunted children and those without do not significantly differ in their understanding of stunting.

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