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<p>This study investigates how morphological changes in the Progo River affect farming communities and proposes management strategies using the River Styles framework. Data were collected through semi-structured interviews with six farmers along the riverbanks and a key informant from the Serayu Opak River Basin Institution. To support the analysis, Google Earth imagery, drone photography, and field surveys were used to refine the framework. Farmers in the upper reaches suffer land losses due to accretion, where deposits of sand and gravel reduce soil fertility, leading to lower crop yields and incomes. In contrast, farmers in the middle and lower reaches benefit from fertile accretion deposits enriched by fine sediments and organic matter from past eruptions of Merapi Volcano. Despite these advantages, riverbank erosion poses major challenges across all areas, causing the loss of arable land and limiting irrigation access. This study advances the River Styles framework by integrating agricultural adaptation strategies, including locating farmland at safer distances and elevations from flood levels, conducting geotechnical assessments to identify rockfall-prone areas, and promoting sustainable quarrying practices.</p>

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Impacts of river morphological changes on farming communities in the Progo River, Indonesia, and their implications for river management strategies

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Akhmad Zamroni,
  • Decibel V. Faustino-Eslava,
  • Rogelio T. Andrada II,
  • Cristino L. Tiburan Jr.,
  • Noelynna T. Ramos

摘要

This study investigates how morphological changes in the Progo River affect farming communities and proposes management strategies using the River Styles framework. Data were collected through semi-structured interviews with six farmers along the riverbanks and a key informant from the Serayu Opak River Basin Institution. To support the analysis, Google Earth imagery, drone photography, and field surveys were used to refine the framework. Farmers in the upper reaches suffer land losses due to accretion, where deposits of sand and gravel reduce soil fertility, leading to lower crop yields and incomes. In contrast, farmers in the middle and lower reaches benefit from fertile accretion deposits enriched by fine sediments and organic matter from past eruptions of Merapi Volcano. Despite these advantages, riverbank erosion poses major challenges across all areas, causing the loss of arable land and limiting irrigation access. This study advances the River Styles framework by integrating agricultural adaptation strategies, including locating farmland at safer distances and elevations from flood levels, conducting geotechnical assessments to identify rockfall-prone areas, and promoting sustainable quarrying practices.