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Alia Rizki
Departemen Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Syiah Kuala, Aceh, Indonesia

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Kontaminasi Logam Berat pada Tanaman Pangan & Implikasinya Terhadap Keamanan Pangan di Indonesia Salmina Ulfa; Nidaul Ulfa; Aura Angelica Kirana; Firdus Firdus; Muhammad Nasir; Alia Rizki
Jurnal Bioleuser Vol. 10 No. 1: April 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jurnalbioleuser.v10i1.1401

Abstract

Heavy metal contamination in agricultural soils has become a serious threat to crop productivity, food safety, and human health. Sources of contamination include both geogenic processes and anthropogenic activities. These human activities range from the use of fertilizers and pesticides to the disposal of industrial waste and irrigation with contaminated water. These various factors contribute to increased levels of cadmium (Cd), lead (Pb), and arsenic (As) in soil and food crops. The bioavailability of these metals is largely controlled by soil properties, including pH and organic matter content, as well as rhizosphere processes that determine metal uptake, translocation, and accumulation in edible plant tissues. At the molecular level, the uptake and transport of heavy metals involve specific transporters, such as OsNramp5 for Cd and Lsi1/Lsi2 for As, which function together with chelation mechanisms, vacuolar detoxification, and the regulation of defense-related genes and stress hormones. Recent studies highlight the importance of multi-metal interactions, including antagonistic relationships between zinc (Zn) and cadmium (Cd) and competition between arsenic (As) and silicon (Si), as well as the role of soil and rhizosphere microbiomes in mobilizing or immobilizing heavy metals. The accumulation of heavy metals in food crops has been shown to increase both carcinogenic and non-carcinogenic health risks for consumers, particularly in agricultural areas located near industrial zones or those using wastewater for irrigation. Therefore, understanding the sources, bioavailability, and mechanisms of heavy metal accumulation—together with molecular and microbiological approaches—is essential for developing effective mitigation strategies and breeding safer food crops.
Mekanisme Stres Oksidatif dan Inflamasi Akibat Paparan Kronis PM2.5 terhadap Penurunan Fungsi Paru di Lingkungan Urban Systematic Review Zahwa Ramadani; Gita Jazila Arista; Cut Sari Ramadhani; Firdus Firdus; Muhammad Nasir; Alia Rizki
Jurnal Bioleuser Vol. 10 No. 1: April 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jurnalbioleuser.v10i1.1444

Abstract

Exposure to fine particulate matter measuring ≤2.5 µm (PM2.5) is one of the environmental issues that significantly impacts respiratory health in urban areas. This article aims to examine the impact of chronic PM2.5 exposure on respiratory health in urban environments. This study employs a systematic literature review method using databases (Google Scholar, the National Library of Indonesia, and electronic resources) with relevant articles indexed over a 10-year period (2016–2026). The review results indicate that PM2.5 exposure is associated with an increased risk of respiratory diseases such as asthma, pneumonia, and COPD, which have a significant impact on vulnerable groups. Various mitigation strategies, such as expanding green spaces, forest conservation, controlling emissions from the transportation sector, and raising industry awareness, have led to a reduction in air pollutant levels. However, these approaches are not the primary solution, as high pollution levels reflect an imbalance between anthropogenic activities and the environment’s capacity for natural purification; therefore, additional mitigation strategies are needed to reduce the impact of PM2.5 on public health and well-being.
Penggunaan Perangkap Feromon dalam Studi Kepadatan Populasi, Kelimpahan, dan Sex Rasio Kumbang Badak Oryctes rhinoceros L. di Perkebunan Kelapa Sawit PTPN 1, Langsa, Aceh Suwarno Suwarno; Tashania Tashania; Alia Rizki; Irvianty Irvianty; Cut Nanda Defira; Zuriana Siregar; Dahelmi Dahelmi
Jurnal Bioleuser Vol. 10 No. 1: April 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jurnalbioleuser.v10i1.1489

Abstract

This study aims to estimate the population density, abundance, and sex ratio of rhinoceros beetles (Oryctes rhinoceros L.) at different growth phases of oil palm in PTPN I plantations, Langsa Baro District. This study was conducted from June to November 2023. The method used was an experimental method. Traps were installed in four sampling blocks, each covering an area of ​​20 Ha, namely immature plants (TBM), sand fruit phase (BP), productive plants aged 4-8 years (TM 4-8) and productive plants aged >10 years (TM >10). A total of eight trap units per plant growth phase were installed systematically with a distance between traps of 400 m. The results of the study obtained 100 individuals of rhinoceros beetles in all growth phases. The average population density was 1.25 individuals/Ha and abundance was 3,125 individuals/trap. Consistent pest management carried out in PTPN I oil palm plantations is suspected to affect the results obtained. The abundance of rhinoceros beetles trapped in the BP phase was the highest (4 individuals/trap) and was significantly different from the TM (4-8) and TM (>10) phases. There were more female rhinoceros beetle imagos trapped than male imagos, with a male:female sex ratio of 1:1.64. Future studies are needed to compare this with community-owned oil palm plantations, especially regarding the population and level of rhinoceros beetle infestation.
Literatur Review: Pencemaran Merkuri di Perairan Indonesia Syifa Thifal Umaira; Syavira Azzahra; Nadiya Mufidah; Firdus Firdus; Muhammad Nasir; Alia Rizki; Fauziah Fauziah
Jurnal Bioleuser Vol. 8 No. 1: April 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jurnalbioleuser.v8i1.1967

Abstract

Mercury (Hg) belongs to a group of heavy metals that can pollute the environment. Pollution caused by mercury in the environment will cause bioaccumulation in aquatic biota, which then impacts human health. Mercury, especially in the form of methyl mercury, can be harmful to the central nervous system, causing sensory impairment and even permanent paralysis. Mercury pollution comes from various mining activities, industry, agriculture, household waste, and mercury mining itself. Accumulation of mercury in excess of quality standards can be dangerous and cause many negative impacts. This study examines pollution caused by mercury in Indonesian waters. The results showed that the objects most polluted by mercury are water, sediment, and aquatic biota. The highest percentage of pollution is found in rivers (39%), and the lowest in lakes and reservoirs (3%).
Co-Authors Aura Angelica Kirana Cut Nanda Defira Cut Sari Ramadhani Dahelmi Dahelmi Fauziah Fauziah Firdus Firdus Firdus Firdus Firdus Firdus Gita Jazila Arista Irvianty Irvianty Muhammad Nasir Nadiya Mufidah Nidaul Ulfa Salmina Ulfa Suwarno Suwarno Syavira Azzahra Syifa Thifal Umaira Tashania Tashania Zahwa Ramadani Zuriana Siregar