Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi

Abstract Understanding the influence of land use/land cover (LULC) on water quality is pertinent to sustainable water management. This study aimed at assessing the spatio-seasonal variation of water quality in relation to land use types in Lake Muhazi, Rwanda. The National Sanitation Foundation Wate...

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Autores principales:	Edovia Dufatanye Umwali, Alishir Kurban, Alain Isabwe, Richard Mind’je, Hossein Azadi, Zengkun Guo, Madeleine Udahogora, Anathalie Nyirarwasa, Jeanine Umuhoza, Vincent Nzabarinda, Aboubakar Gasirabo, Gulnur Sabirhazi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c5d1983c1bbd4e849e90c8c44a2e0e34
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spelling	oai:doaj.org-article:c5d1983c1bbd4e849e90c8c44a2e0e342021-12-02T19:04:01ZSpatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi10.1038/s41598-021-96633-92045-2322https://doaj.org/article/c5d1983c1bbd4e849e90c8c44a2e0e342021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96633-9https://doaj.org/toc/2045-2322Abstract Understanding the influence of land use/land cover (LULC) on water quality is pertinent to sustainable water management. This study aimed at assessing the spatio-seasonal variation of water quality in relation to land use types in Lake Muhazi, Rwanda. The National Sanitation Foundation Water Quality Index (NSF-WQI) was used to evaluate the anthropogenically-induced water quality changes. In addition to Principal Components Analysis (PCA), a Cluster Analysis (CA) was applied on 12-clustered sampling sites and the obtained NSF-WQI. Lastly, the Partial Least Squares Path Modelling (PLS-PM) was used to estimate the nexus between LULC, water quality parameters, and the obtained NSF-WQI. The results revealed a poor water quality status at the Mugorore and Butimba sites in the rainy season, then at Mugorore and Bwimiyange sites in the dry season. Furthermore, PCA displayed a sample dispersion based on seasonality while NSF-WQI’s CA hierarchy grouped the samples corresponding to LULC types. Finally, the PLS-PM returned a strong positive correlation (+ 0.831) between LULCs and water quality parameters in the rainy season but a negative correlation coefficient (− 0.542) in the dry season, with great influences of cropland on the water quality parameters. Overall, this study concludes that the lake is seasonally influenced by anthropogenic activities, suggesting sustainable land-use management decisions, such as the establishment and safeguarding protection belts in the lake vicinity.Edovia Dufatanye UmwaliAlishir KurbanAlain IsabweRichard Mind’jeHossein AzadiZengkun GuoMadeleine UdahogoraAnathalie NyirarwasaJeanine UmuhozaVincent NzabarindaAboubakar GasiraboGulnur SabirhaziNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Edovia Dufatanye Umwali Alishir Kurban Alain Isabwe Richard Mind’je Hossein Azadi Zengkun Guo Madeleine Udahogora Anathalie Nyirarwasa Jeanine Umuhoza Vincent Nzabarinda Aboubakar Gasirabo Gulnur Sabirhazi Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
description	Abstract Understanding the influence of land use/land cover (LULC) on water quality is pertinent to sustainable water management. This study aimed at assessing the spatio-seasonal variation of water quality in relation to land use types in Lake Muhazi, Rwanda. The National Sanitation Foundation Water Quality Index (NSF-WQI) was used to evaluate the anthropogenically-induced water quality changes. In addition to Principal Components Analysis (PCA), a Cluster Analysis (CA) was applied on 12-clustered sampling sites and the obtained NSF-WQI. Lastly, the Partial Least Squares Path Modelling (PLS-PM) was used to estimate the nexus between LULC, water quality parameters, and the obtained NSF-WQI. The results revealed a poor water quality status at the Mugorore and Butimba sites in the rainy season, then at Mugorore and Bwimiyange sites in the dry season. Furthermore, PCA displayed a sample dispersion based on seasonality while NSF-WQI’s CA hierarchy grouped the samples corresponding to LULC types. Finally, the PLS-PM returned a strong positive correlation (+ 0.831) between LULCs and water quality parameters in the rainy season but a negative correlation coefficient (− 0.542) in the dry season, with great influences of cropland on the water quality parameters. Overall, this study concludes that the lake is seasonally influenced by anthropogenic activities, suggesting sustainable land-use management decisions, such as the establishment and safeguarding protection belts in the lake vicinity.
format	article
author	Edovia Dufatanye Umwali Alishir Kurban Alain Isabwe Richard Mind’je Hossein Azadi Zengkun Guo Madeleine Udahogora Anathalie Nyirarwasa Jeanine Umuhoza Vincent Nzabarinda Aboubakar Gasirabo Gulnur Sabirhazi
author_facet	Edovia Dufatanye Umwali Alishir Kurban Alain Isabwe Richard Mind’je Hossein Azadi Zengkun Guo Madeleine Udahogora Anathalie Nyirarwasa Jeanine Umuhoza Vincent Nzabarinda Aboubakar Gasirabo Gulnur Sabirhazi
author_sort	Edovia Dufatanye Umwali
title	Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
title_short	Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
title_full	Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
title_fullStr	Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
title_full_unstemmed	Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi
title_sort	spatio-seasonal variation of water quality influenced by land use and land cover in lake muhazi
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c5d1983c1bbd4e849e90c8c44a2e0e34
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Spatio-seasonal variation of water quality influenced by land use and land cover in Lake Muhazi

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