Urbanization and seasonal effects on the lake ecosystem dynamics from 2002 to 2022 in Bengaluru, South India

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dc.date.accessioned2024-09-04T14:27:43Z
dc.date.available2024-09-04T14:27:43Z
dc.date.issued2024-05-18
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.identifierdoi:10.17170/kobra-2024083010773
dc.identifier.urihttp://hdl.handle.net/123456789/16024
dc.language.isoeng
dc.relation.doidoi:10.1016/j.envc.2024.100944
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectGoogle earth imageseng
dc.subjectlake vegetationeng
dc.subjecturban-rural- gradienteng
dc.subjecturban wetlandeng
dc.subject.ddc580
dc.subject.ddc630
dc.subject.swdIndien (Süd)ger
dc.subject.swdBangaloreger
dc.subject.swdVerstädterungger
dc.subject.swdGoogle Earthger
dc.subject.swdÖkosystemger
dc.subject.swdSeeger
dc.subject.swdFeuchtgebietger
dc.titleUrbanization and seasonal effects on the lake ecosystem dynamics from 2002 to 2022 in Bengaluru, South Indiaeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractLand use transformation in the rapidly growing megacity of Bengaluru in South India has greatly influenced its lake ecosystems. To gain insights into the dynamics of lake ecosystems along an urban-rural gradient, we analyzed lake-cover changes (along with a 300 m buffer zone) of six lakes from 2002 to 2022. The lakes studied were Bellandur and Dodda Bommasandra (urban), Attur and Puttenhalli (peri‑urban), and Chudahalli and Vrishabhavathi (rural). Supervised maximum likelihood Land Use/Land Cover (LULC) classifications were conducted on 162 freely available, RGB Google Earth (GE) images to distinguish between macrophytes, algae, water, and dried land inside the lakes, and built-up and non built-up area in the buffer zone. Antagonistic relationships between macrophytes and algae were observed at all locations. Rainfall was positively correlated with the wet surface area (that is macrophytes, algae, and water) in comparatively dry lakes. Similarly, air temperature was negatively correlated with the wet surface area except for the Vrishabhavathi Lake. However, the built-up area in the buffer zone did not show a consistent correlation with the wet surface area, most likely because of sewage connections of certain lakes with distant urban areas.eng
dcterms.accessRightsopen access
dcterms.creatorSourav, Suman Kumar
dcterms.creatorClements, Lily
dcterms.creatorNguyen, Thanh Thi
dcterms.creatorBürkert, Andreas
dcterms.source.articlenumber100944
dcterms.source.identifiereissn:2667-0100
dcterms.source.journalEnvironmental Challengeseng
dcterms.source.volumeVolume 15
kup.iskupfalse

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