@article{fdi:010092756, title = {{W}ater quality within the greater {S}uva urban marine environment through spatial analysis of nutrients and water properties}, author = {{D}ehm, {J}. and {L}e {G}endre, {R}. and {L}al, {M}. and {M}enk{\`e}s, {C}hristophe and {S}ingh, {A}.}, editor = {}, language = {{ENG}}, abstract = {{C}oastal ecosystems in {P}acific {I}sland {C}ountries and {T}erritories are vital to local livelihoods, yet increasingly face pressures from urbanization. {I}n {F}iji, the {G}reater {S}uva {U}rban {A}rea, where one-third of the nation's population live, exemplifies these challenges. {T}his study examines spatial and temporal water quality variations in the coastal zone, focusing on physicochemical, nutrients, and clarity parameters. {U}sing a {S}eabird {S}cientific {SBE}19 {CTD} and {T}hermo {S}cientific {O}rion{TM} {AQUA}fast{TM} colorimeter, coupled with hierarchical clustering and principal component analysis, six water quality clusters were identified, influenced by oceanic processes, river inputs, and anthropogenic activities. {K}ey findings highlight nutrient enrichment near urban centers particularly at the {K}inoya {S}ewage {T}reatment {P}lant outfall, where ammonia exceeded 17.8 mg/{L}, and significant variation observed in nitrate (up to 0.24 +/- 0.06 mg/{L}) and nitrite (up to 0.24 +/- 0.06 mg/{L}) concentrations near river mouths. {S}easonal runoff contributed to elevated turbidity (up to 3.5 {NTU}) and total suspended solids (up to 14.7 mg/{L}) levels during wet months. {S}alinity, and temperature exhibited strong spatial and seasonal variability, reflecting land-ocean interactions and restricted water exchange. {T}hese findings emphasize the need for targeted action to mitigate nutrient pollution, urban runoff, and wastewater impacts. {T}his study provides a cost-effective monitoring framework for water quality management, offering insights for sustainable coastal resource management in {F}iji and other {P}acific regions amidst urbanization and climate change.}, keywords = {{W}ater quality ; {N}utrient pollution ; {U}rban reefs ; {P}acific {I}slands ; {A}nthropogenic pressures ; {C}oral reef threats ; {U}rbanization ; {FIDJI} ; {PACIFIQUE} {ILES}}, booktitle = {}, journal = {{M}arine {P}ollution {B}ulletin}, volume = {213}, numero = {}, pages = {117601 [18 p.]}, ISSN = {0025-326{X}}, year = {2025}, DOI = {10.1016/j.marpolbul.2025.117601}, URL = {https://www.documentation.ird.fr/hor/fdi:010092756}, }