Spatial and temporal variations of trophic state conditions of LakeBunyonyi, south‑western Uganda

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dc.contributor.authorAlex, Saturday
dc.contributor.authorThomas J., Lyimo
dc.contributor.authorJohn, Machiwa
dc.contributor.authorSiajali, Pamba
dc.date.accessioned2023-04-20T13:07:48Z
dc.date.available2023-04-20T13:07:48Z
dc.date.issued2022-11-15
dc.description.abstractThe study was conducted to assess the spatial and temporal variations of the trophic state condition of Lake Bunyonyibetween October 2019 and September 2020. Secchi depth (SD), total phosphorus (TP) and chlorophyll-a (Chl-a) concentra-tion were measured to aid the quantification of trophic state condition of the lake using Carlson trophic state index (CTSI).The trophic state index (TSI) values based on SD, TP and Chl-a values were 60.82 ± 5.35, 68.99 ± 11.04 and 61.74 ± 7.51,respectively. March 2020 recorded the highest mean CSTI value (70.14 ± 4.04), while in September 2020, the lowest meanvalue (58.03 ± 6.22) was obtained. Based on CTSI values, the lake was eutrophic in both dry and wet seasons albeit withdifferences in the values. The eutrophic state of the lake is possibly attributed to nutrients inflow into the lake via runoffand drainage from farmlands. The negative value of TSI-Chl-a–TSI-TP deviation pointed out that the lake is not phospho-rus limited, while the positive TSI-Chl-a–TSI-SD mean deviation value revealed the effect of Chl-a and TP on the lake’stransparency. The study recommends the necessity to develop guidelines for the trophic status monitoring of Lake Bunyonyisince results suggest the deteriorating lake condition (11) (PDF) Spatial and temporal variations of trophic state conditions of Lake Bunyonyi, south-western Uganda. Available from: https://www.researchgate.net/publication/365402681_Spatial_and_temporal_variations_of_trophic_state_conditions_of_Lake_Bunyonyi_south-western_Uganda [accessed Dec 19, 2022].en_US
dc.description.sponsorshipKabale Universityen_US
dc.identifier.urihttp://hdl.handle.net/20.500.12493/1143
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectWater qualityen_US
dc.subjectTrophic state indexen_US
dc.subjectSecchi depth transparencyen_US
dc.subjectLake Bunyonyien_US
dc.titleSpatial and temporal variations of trophic state conditions of LakeBunyonyi, south‑western Ugandaen_US
dc.typeArticleen_US

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