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Karakteristik Kondisi Geologi di Kelurahan Ransiki, Kabupaten Manokwari Selatan, Provinsi Papua Barat Terhadap Potensi Bahaya Likuifaksi

Oleh: Pasambo, Novrianto, Patandianan, Eric Arung, Mayzarah, Erikha Maurizka

Likuifaksi merupakan salah satu fenomena bencana yang dapat terjadi dari adanya kejadian gempa bumi. Likuifaksi dapat mengakibatkan lapisan tanah seolah-olah menyerupai cairan terlebih pada lapisan tanah berpasir. Penelitian ini bertujuan Menganalisis jenis dan kondisi litologi serta kedalaman muka ...

Penerbit: Department of Geophysical Engineering, Faculty of Engineering, University of Lampung • Publikasi: 30 November 2025

Cover and Editorial

Oleh: Admin JGRS

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Penerbit: Department of Geophysical Engineering, Faculty of Engineering, University of Lampung • Publikasi: 30 November 2025

Aquatic Insect Diversity as Bioindicators of Water Quality in Organic Inorganic Rice Fields, Pringsewu, Lampung: Keanekaragaman Serangga Air sebagai Indikator Kualitas Air di Sawah Organik Anorganik di Pringsewu Lampung

Oleh: Pramudita, Rima, Dania Pratami, Gina, Meidaliyantisyah

The diversity of aquatic insects serves as an important indicator for assessing the quality of agricultural ecosystems, particularly in organic and conventional (non-organic) rice fields. Organic farming, which relies on natural inputs, tends to support greater biodiversity, whereas conventional far...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

Effect of Juice Berry Fruit (Antidesma bunius (L.) Spreng.) on Total Cholesterol Levels in Mice (Mus musculus Linnaeus, 1758) with Hypercholesterolemia: Pemberian Jus Buah Buni (Antidesma bunius (L.) Spreng) terhadap Kadar Kolesterol Total pada Mencit Jantan (Mus musculus Linnaeus, 1758) Hiperkolesterolemia

Oleh: Isnaini, Nurul, Nurcahyani, Nuning, Fithria Mumtazah, Dzul

Hypercholesterolemia is influenced by excessive fat consumption. To lower blood cholesterol levels, both drug and non-drug therapy can be carried out. One plant that has the potential to lower cholesterol levels is the buni plant (Antidesma bunius (L.) Spreng.). This study aims to determine the effe...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

Daily Behavior of Javan Gibbon (Hylobates moloch) Ragunan Wildlife Park: Implications for Reintroduction and Welfare Assesment: Perilaku Harian Owa Jawa (Hylobates moloch) di Taman Margasatwa Ragunan: Implikasi terhadap Reintroduksi dan Kesejahteraan Satwa di Konservasi Ex-Situ

Oleh: Gustimaya, Nizarani, Pusparini, Fitria

The Javan gibbon (Hylobates moloch) is a primate endemic to Java that has been classified as endangered by the IUCN since 2015. Conservation efforts are carried out through breeding and ex-situ conservation. This study aims to analyze the daily behavior patterns of Javan gibbons at Ragunan Wildlife ...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

Antibacterial Activity Test of Ethanol Extract of Fiddlehead (Diplazium esculentum) Agains the Growth of Staphylococcus aureus and Escherichia coli Bacteria in Vitro: Uji Aktivitas Antibakteri Ekstrak Etanol Pakis Sayur (Diplazium esculentum) terhadap Pertumbuhan Bakteri Staphylococcus aureus dan Escherichia coli secara in Vitro

Oleh: Saragih, Hana Dipa Christine, Agustrina, Rochmah, Farisi, Salman

Infectious diseases are a significant public health issue in both developed and developing countries. Infectious diseases are caused by the bacteria Staphylococcus aureus and Escherichia coli, which cause high rates of morbidity and mortality. Treatment of infectious diseases caused by pathogenic ba...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

Tissue Culture of Purple Sweet Potato Using Murashige and Skoog (MS) Medium Based on Benzyl Amino Purine (BAP) : Kultur Jaringan Ubi Jalar Ungu Menggunakan Media Murashige dan Skoog (MS) Berbasis Benzyl Amino Purine BAP

Oleh: Nurul Fajriyah, Walak, Syarifah Ainy, Noer, Hadi, Nestiyanto

Purple sweet potato (Ipomoea batatas L.) is one of the local food sources rich in anthocyanins and has great potential to be developed through tissue culture techniques. This study aimed to determine the effect of Benzyl Amino Purine (BAP) on the growth of purple sweet potato explants cultured in vi...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

Mortality and Morphological Changes in Aedes aegypti Larvae by Bacillus thuringiensis and Serratia marcescens: Mortalitas dan Perubahan Morfologi Larva Aedes aegypti oleh Bacillus thuringiensis dan Serratia marcescens

Oleh: Yulia Sari, Umi, Rosa, Emantis, Handayani, Kusuma

The use of biolarvicides is an alternative biological agent to replace synthetic insecticides, namely entomopathogenic bacteria. The purpose of this study was to determine the potential of Bacillus thuringiensis and Serratia marcescens extracts on mortality and morphological changes in Aedes aegypti...

Penerbit: Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch. • Publikasi: 30 November 2025

SECTORAL VOLATILITY AND NATIONAL OUTPUT FLUCTUATIONS IN THE INDONESIAN ECONOMIC REGION

Oleh: Padli Pawaid Yahya, Azizah , Lina, Choiri, Miftakhul

ADF unit root test is used to check the stationarity of the data. Autoregressive Conditional Heteroscedasticity (ARCH) and General Autoregressive Conditional Heteroscedasticity (GARCH) are used to estimate the volatility of GDP and sectoral growth rates. To see the impact of sectoral volatility on e...

Penerbit: FEB - Universitas Lampung • Publikasi: 30 November 2025

The Role of Green Self-Identity and Perceived Consumer Effectiveness in Shaping Green Purchase Intention Among Generation Z

Oleh: Dharmawati, Desy, Harwani, Yuli , Nurmahdi, Adi

This study investigates the influence of green self-identity and perceived consumer effectiveness on green purchase intention among Generation Z consumers in Indonesia. Using a quantitative, causal-explanatory approach, data were collected through an online survey involving 350 respondents residing ...

Penerbit: FEB - Universitas Lampung • Publikasi: 30 November 2025