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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of Earth and Marine Technology (JEMT)
Putri, Anggraini Aurina
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Physics Transportation

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Exploring Riparian Vegetation Dynamics in East Java: A Focus on the Central Welang Watershed Putri, Anggraini Aurina; Rahmania, Farhani Nurshafa; Cahyani, Nadila Wulan; Irawanto, Rony
Journal of Earth and Marine Technology (JEMT) Vol 4, No 1 (2023)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2023.v4i1.4873

Abstract

Indonesia boasts 74 diverse ecosystems, with the riparian system, found in areas like the Welang watershed in Malang Regency, Pasuruan Regency, and Pasuruan City, standing out. These moisture-adapted vegetative zones act as key transitions between aquatic and terrestrial habitats. Human activities in the central Welang watershed could impact its rich vegetation. This study aimed to catalog plant species in the riparian zones and assess their influence on water quality. Utilizing an explorative quantitative descriptive method, research was conducted at four sites in the central Welang watershed in June 2023, encompassing vegetation inventory and water sampling. Findings revealed 67 individual plants from 29 families, predominantly trees, in the central Welang region. This count exceeds the downstream but is less than the upstream. Water quality met the standards, indicating no pollution. Nonetheless, the potential presence of heavy metals necessitates further studies. Understanding Welang's riparian dynamics provides insights into riverbank ecosystems in Indonesia and possibly Southeast Asia. As these zones bridge aquatic and terrestrial environments, they're pivotal for biodiversity, water management, and settlement planning. This research underlines the need to harmonize human progress with ecological conservation, especially as the global focus intensifies on sustainable practices. The study's outcomes can enhance global discussions on riparian ecosystem preservation.
Assessment of Water Quality Based on Land Use in an Upper Watershed Using the STORET Method Nita, Istika; Putri, Anggraini Aurina; Irawanto, Rony
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 4 (2025): August 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i4.1393-1404

Abstract

Land use change significantly affects water quality, particularly in watersheds. This study assessed the water quality of the Upper Welang Watershed, East Java, using the STORET method in relation to land use types. Water quality assessment involves comparing measured data with the National Water Quality Standard (Government Regulation No. 22 of 2021). Water samples were collected during the dry season (March to July 2023) from forest, plantation, rice field, dry field, settlement, and industrial areas. Parameters analyzed included pH, DO, BOD, COD, NO3, TDS, Pb, Cd, and coliforms. Results showed that water quality declined in areas with high anthropogenic activity, particularly in industrial and settlement zones, with COD and NO3 levels exceeding national standards. Rivers with stable substrates and sufficient habitats exhibit better water quality. The findings highlight the importance of land use management in watershed conservation
Co-Authors Cahyani, Nadila Wulan Istika Nita Rahmania, Farhani Nurshafa Rony Irawanto