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A Spatial Model of Microplastic Pollution Mitigation as an Effort to Preserve the Brantas River Ecosystem
Summary
This paper presented a spatial model of microplastic pollution mitigation strategies in an Indonesian coastal area, mapping pollution sources and evaluating the effectiveness of different intervention locations. The spatial approach identified high-priority intervention sites for protecting marine habitats.
Since ancient times, rivers have been a livelihood source for human beings. However, modern lifestyles have changed our rivers as they become polluted with more inorganic waste; microplastic is one of the biggest pollution problems. Currently, the Brantas River of East Java also faces the microplastic problem; this certainly poses dangers to human survival and the ecosystem surrounding the river. The occurring pollution necessitates efforts to preserve the water ecosystem, which would benefit the sustainability of living organisms. The objectives of this research are (1) to analyze the possible causes of microplastic pollution in the Brantas River, (2) to understand the efforts undertaken by the community to reduce microplastic pollution in the Brantas River, and (3) to develop a model for mitigating microplastic pollution to preserve the existing ecosystem in the Brantas River. This study utilized a qualitative descriptive approach. Data collection methods included (1) observations to study the conditions of the Brantas River, (2) in-depth interviews, and (3) documentary studies to gather essential data about the research subjects and objects. Data were analyzed using the interactive analysis model developed by Miles and Huberman. The research findings indicate that the causes of microplastic pollution include, among others, waste piles found beneath bridges and waste accumulation due to the presence of illegal waste disposal sites along the Brantas River banks. Mitigation efforts that have been undertaken include installing warning signs, law enforcement for microplastic mitigation, persuasive infrastructure development, installing flower pots, constructing fences on the sides of bridges, constructing recreational infrastructure such as playgrounds, sports facilities, and tourist spots, and installing trash traps. There are 4 spatial mitigation models along the Brantas River, namely 1) The Village Arrangement Program on the Brantas Riverbank in the form of resettlement is needed in order to provide decent and ecological housing. 2) Operation of Justice to Control Street Vendors (PKL) on the Riverbank. 3) Arrangement of villages near the Brantas River by creating a Toga Park. 4) Clean River Program (Prokasih).