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Environmental Degradation Analysis of Former Bengawan Solo River Lake Ecosystem

Indonesian Journal of Geography · Vol. 56 No. 3 (2024)

DOI
10.22146/ijg.97906
ISSN
2354-9114, 0024-9521
Terbit
2024-10-18
Penerbit
Faculty of Geography, Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The ecosystem of the former river section lake in the research area formed by the straightening of the river and located in the Sub-Urban area, faces significant environmental degradation such as pollution, erosion, and water shrinkage that threaten its sustainability. The magnitude of environmental degradation that occurs needs to be studied because it can result in a reduction in clean water and shallowing of the lake. Compared with lakes such as Poyang Lake in China, which has experienced a decline in water quantity and quality due to seasonal fluctuations, climate change and waste, this study offers a similar perspective by highlighting the interaction of natural and human factors, and adds a new dimension related to degradation caused by erosion. This study uses a comprehensive approach, namely by combining image analysis, field measurements using measuring sticks, USV, geodetic GPS, laboratory analysis, and interviews. The results of the study indicate that the lake water quality status ranges from "moderately polluted" to "heavily polluted," while the groundwater quality varies from "meets quality standards" to "lightly polluted." The high water quality status is caused by human activities and land conditions, as well as the high rate of erosion around the lake reaching 289.63 tons/ha/year, with an average soil loss of 0.11 tons/year. In addition, the lake in the study area has shrunk by up to 72% due to seasonal fluctuations and climate change. Based on this, effective management is needed to maintain the ecological balance and environmental health of the former river section lake.

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A NapoleonAfiliasi tidak diketahui2
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Nanthi BolanAfiliasi tidak diketahui2
Prabang SetyonoSebelas Maret University2
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Komariah KomariahUniversitas Muhammadiyah Malang2
Sentot Budi RahardjoSebelas Maret University1
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Sumber metadata: OAI-PMH (metadata jurnal) http://jurnal.ugm.ac.id/ijg/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Environmental Degradation Analysis of Former Bengawan Solo River Lake Ecosystem</dc:title>
	<dc:creator>Ade Yudono, Andi Renata</dc:creator>
	<dc:creator>Suntoro, Suntoro</dc:creator>
	<dc:creator>Danisworo, Conrad</dc:creator>
	<dc:creator>Ikhsan, Cahyono</dc:creator>
	<dc:subject xml:lang="en-US">Environmental sciences</dc:subject>
	<dc:subject xml:lang="en-US">Bengawan Solo Lake Degradation, Erosion, lake water pollution, Lake Shrin</dc:subject>
	<dc:subject xml:lang="en-US">Environmental hydrology</dc:subject>
	<dc:description xml:lang="en-US">The ecosystem of the former river section lake in the research area formed by the straightening of the river and located in the Sub-Urban area, faces significant environmental degradation such as pollution, erosion, and water shrinkage that threaten its sustainability. The magnitude of environmental degradation that occurs needs to be studied because it can result in a reduction in clean water and shallowing of the lake. Compared with lakes such as Poyang Lake in China, which has experienced a decline in water quantity and quality due to seasonal fluctuations, climate change and waste, this study offers a similar perspective by highlighting the interaction of natural and human factors, and adds a new dimension related to degradation caused by erosion. This study uses a comprehensive approach, namely by combining image analysis, field measurements using measuring sticks, USV, geodetic GPS, laboratory analysis, and interviews. The results of the study indicate that the lake water quality status ranges from "moderately polluted" to "heavily polluted," while the groundwater quality varies from "meets quality standards" to "lightly polluted." The high water quality status is caused by human activities and land conditions, as well as the high rate of erosion around the lake reaching 289.63 tons/ha/year, with an average soil loss of 0.11 tons/year. In addition, the lake in the study area has shrunk by up to 72% due to seasonal fluctuations and climate change. Based on this, effective management is needed to maintain the ecological balance and environmental health of the former river section lake.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Geography, Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2024-10-18</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:type xml:lang="en-US">field observations, including measuring water quality, soil loss, and lake depth using an unmanned surface vehicle; gathering secondary data such as climate information and historical lake data through satellite image analysis; laboratory testing of water</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijg/article/view/97906</dc:identifier>
	<dc:identifier>10.22146/ijg.97906</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Geography; Vol 56, No 3 (2024): Indonesian Journal of Geography</dc:source>
	<dc:source>2354-9114</dc:source>
	<dc:source>0024-9521</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/view/97906/pdf</dc:relation>
	<dc:coverage xml:lang="en-US">Lake ecosystem of the former section of the Bengawan Solo River in Grogol sub-district, Sukoharjo district</dc:coverage>
	<dc:coverage xml:lang="en-US">the lake ecosystem in the Bengawan Solo River oxbow in Grogol, Sukoharjo Regency, is facing significant environmental degradation, with contamination, attrition, and diminution threatening its sustainability</dc:coverage>
	<dc:coverage xml:lang="en-US">Lakes Ecosystem</dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2024 Authors</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>