Changes in the water quality conditions of Kuwait's marine waters: Long term impacts of nutrient enrichment
2015
Devlin, M.J. | Massoud, M.S. | Hamid, S.A. | Al-Zaidan, A. | Al-Sarawi, H. | Al-Enezi, M. | Al-Ghofran, L. | Smith, A.J. | Barry, J. | Stentiford, G.D. | Morris, S. | da Silva, E.T. | Lyons, B.P.
This work analyses a 30year water quality data set collated from chemical analyses of Kuwait's marine waters. Spatial patterns across six sites in Kuwait Bay and seven sites located in the Arabian Gulf are explored and discussed in terms of the changing influences associated with point and diffuse sources. Statistical modelling demonstrated significant increases for dissolved nutrients over the time period. Kuwait marine waters have been subject to inputs from urban development, untreated sewage discharges and decreasing river flow from the Shatt al-Arab River. Chlorophyll biomass showed a small but significant reduction; the high sewage content of the coastal waters from sewage discharges likely favouring the presence of smaller phytoplankton taxa. This detailed assessment of temporal data of the impacts of sewage inputs into Kuwait's coastal waters establishes an important baseline permitting future assessments to be made as sewage is upgraded, and the river continues to be extracted upstream.
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