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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 2,949 Documents
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Diffusion and Adoption of Destana in Tropical Disaster-Prone Socio-Ecological Systems Zulfa Rosdiana; Moh. Taqiuddin; Agus Purbathin Hadi
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12439

Abstract

Tropical island villages face complex disaster risks due to the interaction between geophysical hazards, hydrometeorological threats, social vulnerability, and local institutional capacity. This study aimed to analyze the diffusion and adoption of the Disaster Resilient Village Program (Desa Tangguh Bencana, Destana) in strengthening community preparedness in Sambelia District, East Lombok, Indonesia. A qualitative multi-site case study was conducted in Sugian, Belanting, and Obel-Obel villages from November to December 2025. Data were collected through semi-structured interviews, observation, and document review involving 17 informants from the regional disaster management agency, village governments, disaster volunteers, NGO/TSBD actors, community leaders, and residents. Data were analyzed thematically using Rogers’ diffusion of innovations framework and a disaster risk perspective linking hazards, vulnerability, and capacity. The results show that Destana is relevant for multi-hazard villages, but its adoption remains partial. Administrative recognition was not fully followed by strong village documentation, active local institutions, continuous communication, or integration into village development planning. Community members accepted disaster preparedness practices, yet they did not always recognize Destana as a formal village-based innovation. The study concludes that Destana needs stronger risk communication, institutional renewal, regular simulation, and integration into village planning to transform administrative designation into sustained socio-ecological resilience.
Begonia Inventory Along the Rantau Malam Hiking Trail, TNBBBR, Indonesia Siska Debora; Irwan Lovadi; Dwi Gusmalawati
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12444

Abstract

Begonia is a herbaceous plant that grows in tropical rainforests from lowland and highland areas. Until now, exploration of Begonia in West Kalimantan is mostly done in lowland areas. Data on Begonia spread in highland areas in West Kalimantan are still limited. The study aims to investigate Begonia types, morphological characteristics, and habitats. The hiking track of the Rantau Malam Resort in Bukit Baka Bukit Raya National Park, Sintang Regency, was the site of this study. The cruising method was used for sampling. The results showed that there were five types of Begonia, namely B. lailana Kiew & Geri, B. mariaensis Rimi & Simun, B. paoana Kiew & S. Julia, B. danumensis F.Y Chong and B. bawangensis Houghes. Four of the five Begonia types grow on soil, while one grows on rocks. Begonia mariaensis is a new record for Indonesia.
Mouse Models in Sarcopenia Research: A Literature Review Putri Julia; Nani Asyahri; Fitriya Setiani; Lili Sardona; Jodion Siburian; Afreni Hamidah; Desfaur Natalia
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12446

Abstract

Sarcopenia is defined as the progressive decline in skeletal muscle mass, strength, and function associated with the aging process. This literature review aims to analyze various mouse models used in sarcopenia research, with a primary focus on the C57BL/6 strain. A narrative literature review was conducted systematically by searching the Scopus and Google Scholar databases using the keywords “sarcopenia”, “mouse model”, “muscle atrophy”, and “C57BL/6”. A total of 12 relevant articles published between 2020 and 2024 were selected based on the inclusion criteria.The analysis results showed that muscle mass decline in mice generally begins progressively at the age of 18–24 months and becomes more significant at 23-32 months, with male mice being more susceptible than females. Natural aging, dexamethasone induction, and immobilization models were the most frequently used, consistently demonstrating type II fiber atrophy, mitochondrial dysfunction, increased ROS, and suppression of the mTORC1 pathway. Therapeutic candidates such as Delta-Like 1 Homolog (DLK1) and Ulmus macrocarpa extract showed promising effects in reducing muscle atrophy. Although mouse models provide valuable insights into the mechanisms of sarcopenia, biomechanical differences and sex-specific responses between mice and humans must be considered to enhance the translational value of the research. This review is expected to serve as a reference for researchers in selecting the appropriate mouse model for sarcopenia studies.
A Decade of Dugong (Dugong dugon) Strandingsin Indonesia: Frequency and Response Efforts (2016–2025) Suprabadevi Ayumayasari Saraswati; I Putu Gede Eka Handrayana Putra; I Wayan Darya Kartika; Rizka DZulfikar; Dewa Gde Tri Bodhi Saputra
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12448

Abstract

Indonesian waters constitute a crucial habitat for the dugong (Dugong dugon), a herbivorous marine mammal currently classified as vulnerable. Despite being legally protected, its existence remains threatened by anthropogenic activities and stranding phenomena. This study aims to analyze the temporal frequency of dugong stranding events in Indonesia and the effectiveness of their technical response schemes. The method employed is a descriptive approach with quantitative and qualitative analyses utilizing verified secondary data from the 2016–2025 period. The results show that a total of 54 stranding events occurred fluctuatingly, with an average of 5–6 cases per year. The highest spike occurred in 2021 with 12 events, while the lowest was in 2020 with 1 event. The monthly stranding pattern is dynamic, reaching its highest peak in February, whereas the monsoon-based analysis demonstrates an even distribution of approximately 24%–26% per monsoon. This finding indicates that the risk of stranding remains persistent throughout the year. Out of the total cases, the majority of dugongs were found dead (90.74%), while the remaining (9.26%) were found alive. Qualitatively, the systematic handling procedures in the field have been structured into four main phases that separate actions based on the animal's condition code. Response for the live code (Code 1) focuses on first aid and release, whereas the dead code (Code 2–5) is prioritized for medical investigation (forensic necropsy) and burial.
Aspiration Pneumonia: Clinical Features, Diagnosis, and Management Yolanda B. S, Moh. Rizky; Paerdoe, Lalu Dane Pemban; Wardani, Shira Putri; Yulianti, Arwinda Febri; Habib, Philip
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
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.v26i2.12460

Abstract

Aspiration pneumonia is a pulmonary infection caused by the inhalation of oropharyngeal secretions, gastric contents, or foreign materials into the lower respiratory tract. It is associated with significant morbidity and mortality, particularly among older adults and patients with neurological disorders. This literature review aims to provide a comprehensive overview of aspiration pneumonia, including its definition, epidemiology, pathophysiology, etiology, clinical manifestations, diagnosis, and management. A literature review was conducted by searching articles published between 2019 and 2025 in the PubMed, Scopus, and Google Scholar databases using the keywords “aspiration pneumonia,” “dysphagia,” “risk factors,” “diagnosis,” and “management.” A total of 15 relevant articles that met the inclusion criteria were selected and analyzed descriptively to summarize current evidence regarding aspiration pneumonia. Aspiration pneumonia occurs when airway protective mechanisms fail, allowing foreign materials to enter the lower respiratory tract. Major risk factors include dysphagia, impaired consciousness, stroke, neurological disorders, and advanced age. Clinical manifestations range from cough, fever, and dyspnea to severe complications such as lung abscess and empyema. Diagnosis is based on clinical history, physical examination, laboratory findings, and radiological imaging. Management depends on disease severity and etiology, including supportive care and appropriate antibiotic therapy. Aspiration pneumonia remains an important clinical condition with substantial health consequences. Early recognition, accurate diagnosis, and appropriate management are essential to improve patient outcomes and reduce complications.
Evaluation of The Effectiveness of Watershed Rehabilitation in West Lombok District Soumena, Welmy; Sjah, Taslim; Hayati, Hayati
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
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.v26i2.12468

Abstract

The watershed (DAS) in West Lombok Regency has experienced environmental degradation due to land-use conversion and unsustainable agricultural practices in upstream areas, resulting in increased critical land, erosion, and declining hydrological functions. This study aimed to evaluate the effectiveness of watershed rehabilitation programs, assess their impacts on vegetation recovery, identify factors influencing program success, and formulate sustainable management strategies. A mixed-methods approach was employed. Quantitative analysis utilized Geographic Information System (GIS)-based remote sensing, applying the Normalized Difference Vegetation Index (NDVI) to assess vegetation cover and the Universal Soil Loss Equation (USLE) to estimate erosion levels. Qualitative data were collected through field observations and semi-structured interviews to evaluate community participation, institutional support, and implementation constraints. The results showed that watershed rehabilitation improved environmental conditions, as indicated by increased vegetation density, expanded canopy cover, and reduced critical land areas. The use of multipurpose tree species (MPTS), including mahogany, sengon, durian, and candlenut, was well adapted to local conditions and provided additional economic benefits through agroforestry practices. Plant survival rates were generally moderate to high. However, program effectiveness was constrained by limited maintenance funding, seasonal water shortages, livestock disturbances, and weak monitoring systems. Strong community participation and local institutional support were associated with better rehabilitation outcomes. This study concludes that integrating vegetative and mechanical conservation measures with community-based economic empowerment is essential for enhancing watershed rehabilitation effectiveness and sustaining hydrological ecosystem functions in West Lombok Regency.
Coral Reef Condition in Popaya Island Waters, North Gorontalo Moh Rizal N. Matau; Abubakar Sidik Katili; Marini Susanti Hamidun; Mustamim Ibrahim; Ilyas H. Husain; Chairunnisah J. Lamangantjo
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12493

Abstract

This study aimed to describe the condition of coral reefs in the waters of Popaya Island, Mas Popaya Raja Nature Reserve, North Gorontalo Regency, using the Coral Point Count with Excel Extensions (CPCe) method. Data collection was conducted using the Underwater Photo Transect (UPT) method through skin diving along a 50-meter transect at a depth of 3–6 meters. Coral reef conditions were documented using a 60 × 40 cm frame placed alternately on the left and right sides of the transect line at one-meter intervals, resulting in 50 photographs. Data analysis was performed using 30 random points applied to each photograph to classify live and dead substrate categories. Environmental parameters, including water temperature, pH, current velocity, and water clarity, were also measured. The results showed that the environmental conditions of the waters supported coral growth, with a temperature of 28.7°C, pH of 7.8, current velocity of 0.51 m/s, and water clarity of 90%. The percentage of live coral cover was 74.37%, which was categorized as good. The composition of live coral cover was dominated by Acropora Branching (78.21%), followed by Coral Massive (12.34%), Acropora Tabulate (7.10%), and Coral Foliose (2.33%). The diversity index (H' = 1.41) and dominance index (D = 0.48) indicated a moderate category. The mortality index value of 0.10 indicated a low level of coral mortality. It can be concluded that the coral reef ecosystem in the waters of Popaya Island is in good and stable condition.
Stakeholder Role Analysis in Mangrove Ecosystem Management in Lembar Selatan Village, West Lombok Islam, Saiful; Jupri, Ahmad; Isrowati, Isrowati; Ahyadi, Hilman
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
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.v26i2.12494

Abstract

Mangrove ecosystems provide ecological and economic services but are increasingly threatened by land conversion, overexploitation, and weak governance coordination. In Lembar Selatan Village, West Lombok, about 57% of the mangrove area has been degraded despite ecotourism-based management initiatives. This study aimed to identify stakeholders and analyze their roles in mangrove ecosystem management. Data were collected through structured in-depth interviews with 14 purposively selected respondents representing government agencies, community groups, tourism actors, academics, and civil society organizations. The interest and influence variables for each stakeholder were measured on a scale of 1 to 5, with the combined total scores categorized into five priority levels. These quantitative outputs were then utilized to analyze stakeholder roles through an interest-influence matrix. The results showed that 14 stakeholders were involved and grouped into three categories. Subjects comprised, fishermen, travel operators, NGOs, MSMEs, the village head, hamlet heads Polairud, West Lombok Marine and Fisheries Office, and KLHK NTB; these actors had high interest but limited influence. Key players included BKSDA NTB, West Lombok Tourism Office, BAPPEDA West Lombok and Pokdarwis. Bystanders consisted of academics. The study indicates that stronger coordination between high-influence institutions and community-based actors is essential to improve sustainable mangrove management in Lembar Selatan.
Association Between Personal Protective Equipment Use and Laboratory-Confirmed Onychomycosis Among Farmers Imam Jalaludin; Jaova Layla
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12498

Abstract

Onychomycosis has been reported as common in occupations involving prolonged exposure to moist soil; however, the association with personal protective equipment (PPE) requires more rigorous methodological consideration. This cross-sectional study included 33 farmers in Sumbaga Village, Bumijawa District, Indonesia. Direct microscopy using Lactophenol Cotton Blue and culture on Sabouraud Dextrose Agar were performed to detect fungal elements, and participants were categorized according to self-reported PPE use. Fifteen participants reported using PPE, while 18 did not. Laboratory positivity was identified in 11 of 15 PPE users (73.3%) and 18 of 18 non-users (100%). The observed distribution indicates a lower proportion of positive findings among PPE users; however, this association should be interpreted with caution. Analysis using Fisher’s exact test indicated a statistically significant association between PPE use and onychomycosis (p = 0.033). Fungal isolates showing morphological characteristics consistent with Trichophyton rubrum, Trichophyton mentagrophytes, Aspergillus sp., Fusarium sp., and Scopulariopsis brevicaulis were identified. However, as participants were partly selected based on nail discoloration and non-dermatophyte fungi were identified without repeat isolation criteria, these findings reflect suspected cases within the sampled population and should not be interpreted as population-level estimates or evidence of causal protection; future studies should employ more representative sampling strategies, validated measurement of PPE exposure, and adjustment for relevant confounding factors to improve inferential validity.
Association of The Invasive Plant Acrostichum aureum with Flora of Degraded Mangrove Forests Rizki Wahyudi; Syaiful Eddy; Dian Mutiara
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): 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.v26i3.12505

Abstract

The mangrove ecosystem in the Air Telang Protected Forest (ATPF), Banyuasin Regency, has experienced ecological pressure due to land conversion, which has facilitated the proliferation of invasive species in degraded areas. This study aimed to analyze plant association patterns in mangrove areas affected by the dominance of Acrostichum aureum. The research employed a descriptive method with a purposive sampling approach across four observation stations. Interspecific associations were analyzed using the Jaccard Index based on species presence data collected during the study. The results revealed 36 plant species associated with A. aureum. Similarity values among stations ranged from 0.1 to 0.53, with the highest similarity observed between Stations 2 and 3 and the lowest between Stations 3 and 4. Association values between A. aureum and other species ranged from 0.25 to 1.00, with very high associations recorded for Nypa fruticans and Schoenoplectus subulatus, and high associations for Acanthus ilicifolius and Derris trifoliata. The dominant association types identified were positive and neutral associations, with Derris trifoliata, Nypa fruticans, Acanthus ilicifolius, and Schoenoplectus subulatus exhibiting positive associations with A. aureum. Ecologically, the presence of A. aureum plays a role in shaping species distribution patterns through interactions influenced by environmental heterogeneity and habitat conditions.

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