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All Journal Biosfer: Jurnal Tadris Biologi Biology, Medicine, & Natural Product Chemistry Jurnal Rekayasa Hijau Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Abdi Geomedisains Inornatus: Biology Education Journal Journal Of Sustainability Perspectives Journal of Sustainability Perspectives Organisms: Journal of Biosciences
Suci Wulan Pawhestri
Faculty of Science and Mathematics, DiponegoroUniversity, Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Dentistry Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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The Composition of Nekton as Bioindicators in Way Tahmi River at Blambangan Umpu Pawhestri, Suci Wulan; Ardianti, Indah Marlina; Fauziah, Hanifah Nur; Andandaningrum, Della
ORGANISMS: JOURNAL OF BIOSCIENCES Vol. 5 No. 1 (2025): Organisms: Journal of Biosciences
Publisher : Pusat HKI, Paten, dan Publikasi Ilmiah Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/6v1y4c48

Abstract

Way Tahmi River is a crucial freshwater source for the local ecosystem and surrounding communities, providing essential ecosystem services such as habitats for diverse species, clean water, and support for agricultural and fisheries activities. However, anthropogenic pressures, including water pollution from domestic and industrial waste, land use changes, and overexploitation of natural resources, pose significant threats to the river's ecosystem. This study aims to assess the nekton diversity in Way Tahmi River as bioindicators of water quality. The research involved sampling nekton at three different stations, each chosen based on proximity to residential areas, dining establishments, and plantations. Physical and chemical parameters, including temperature, Ph dissolved oxygen (DO), salinity, and water clarity, were measured to evaluate environmental conditions. The results indicated that the identified nekton belonged to Actinopterygii and Malacostraca classes, with varying species composition across the stations. The Shannon-Wiener diversity index showed moderate nekton diversity, while evenness and dominance indices suggested a relatively balanced and stable ecosystem. These findings highlight the importance of nekton as bioindicators and the need for effective management strategies to preserve the aquatic ecosystem of Way Tahmi River.
Analisis Nilai Carbon Footprint Kendaraan Bermotor di UIN Raden Intan Lampung Ardianti, Indah Marlina; Triyana, Agis; Pawhestri, Suci Wulan; Andandaningrum, Della
Rekayasa Hijau : Jurnal Teknologi Ramah Lingkungan Vol 9, No 2 (2025)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrh.v9i2.102-112

Abstract

AbstrakPeningkatan populasi mahasiswa yang pesat di Universitas Islam Negeri Raden Intan Lampung telah menyebabkan peningkatan signifikan dalam aktivitas kendaraan bermotor di kampus, yang berkontribusi pada peningkatan jejak karbon. Penelitian ini bertujuan untuk mengukur jejak karbon yang dihasilkan oleh kendaraan bermotor di dalam lingkungan universitas. Dengan menggunakan metode deskriptif kuantitatif, data primer dikumpulkan melalui observasi langsung terhadap pergerakan kendaraan. Analisis dilakukan berdasarkan Panduan UI Greenmetric untuk memperkirakan jejak karbon. Data volume kendaraan dicatat selama periode tujuh hari, dari Senin hingga Minggu, dengan hari Selasa sebagai puncaknya dengan 8.736 kendaraan, sementara Minggu menunjukkan volume terendah dengan 2.382 kendaraan. Jejak karbon mencapai puncaknya pada hari Selasa sebesar 884,26 metrik ton, berbeda dengan nilai terendah pada hari Minggu sebesar 58,53 metrik ton. Terdapat korelasi langsung antara volume kendaraan dan nilai jejak karbon, yang menunjukkan bahwa peningkatan jumlah kendaraan di kampus mengakibatkan emisi karbon yang lebih tinggi. Penelitian ini menekankan pentingnya penerapan kebijakan transportasi berkelanjutan untuk mengurangi jejak karbon dan mempromosikan keberlanjutan lingkungan di universitas.Kata kunci: carbon footprint, kendaraan bermotor, UI green metric, transportasi berkelanjutan, kampus hijau AbstractThe rapid increase in the student population at the State Islamic University of Raden Intan Lampung has led to a significant rise in motor vehicle activity on campus, contributing to an elevated carbon footprint. This study aims to quantify the carbon footprint produced by motor vehicles within the university grounds. Employing a quantitative descriptive methodology, primary data was collected through direct observation of vehicle movements. The analysis followed the UI Greenmetric Guideline for estimating carbon footprints. Data on vehicle volumes were recorded over a period of seven days, from Monday to Sunday, identifying Tuesday as the peak day with 8,736 vehicles, while Sunday showed the lowest volume with 2,382 vehicles. The carbon footprint peaked on Tuesday at 884.26 metric tons, contrasting with the lowest value on Sunday at 58.53 metric tons. A direct correlation was observed between vehicle volume and carbon footprint values, highlighting that an increase in vehicle numbers on campus results in higher carbon emissions. This study underscores the necessity for implementing sustainable transportation policies to mitigate the carbon footprint and promote environmental sustainability within the university.Keywords: carbon footprint, motor vehicle. UI greenmetric, sustainable transportation, green campus
The combination tea of corn silk (Zea mays L.) and rosella flowers (Hibiscus sabdariffa L.): Antioxidant levels using different drying methods Ulmillah, Aulia; Suri, Intan Mulia; Kamelia, Marlina; Pawhestri, Suci Wulan
Inornatus: Biology Education Journal Vol. 2 No. 2 (2022): Inornatus: Biology Education Journal
Publisher : Univeritas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/inornatus.v2i2.354

Abstract

Corn silk and rosella flowers are plants whose utilization can still be developed, especially in the food sector. The secondary metabolites found in both plants serve as a source of natural antioxidants to combat free radicals. This study aims to examine the effect of variations in drying methods on the antioxidant activity content of a combination tea of corn silk and rosella flower. Antioxidant level test using the DPPH method. Analysis of antioxidant data in the form of determining the IC50 value using probit linear regression analysis. The study results show that drying using the oven method has an IC50 of 83 ppm while drying in the sun has an IC50 of 121 ppm. Research findings indicate high antioxidant levels in a combination of corn silk and rosella flower tea through oven drying and moderate antioxidants in direct drying in the sun.
Co-Authors Andandaningrum, Della Apriliano, Amanda Aulia Ulmillah Bambang Budiwiranto Chairul Anwar Fauziah, Hanifah Nur indah marlina ardianti Jamaluddin, Wan M Rizky Ismail Marlina Kamelia Nanang Supriadi Oktarina, Depi Panggabean, Siti Munawarah Rina Budi Satiyarti, Rina Budi Suri, Intan Mulia Tama, Dwi Sulis Triyana, Agis Vantika, Marsela Ayu