Physicochemical and ecotoxicological approaches for Moknine Continental Sebkha in Tunisia

Degradation of water quality is an emerging issue in many developing countries. In this context, industrial and domestic effluents heavily contaminate the coast of Moknine Continental Sebkha in Tunisia. The present study aimed to biomonitor the seawater quality of the Moknine Continental Sebkha coas...

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Vydané v:Journal of water and health Ročník 22; číslo 4; s. 785 - 796
Hlavní autori: Belaid, Afifa, Bekir, Karima, Beltifa, Asma, Sedrati, Mouncef, Santana Rodríguez, José Juan, Ben Mansour, Hedi
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England IWA Publishing 01.04.2024
Predmet:
Algae
Aliivibrio fischeri - drug effects
Aquatic ecosystems
Bacteria
Bioassays
Biochemical oxygen demand
Bioluminescence
biomonitoring
Chemical analysis
Chemical oxygen demand
Chlorophyta - drug effects
Coasts
Developing countries
Ecological effects
ecotoxicity
Ecotoxicology
Effluents
Environmental degradation
Environmental impact
Environmental Monitoring
Environmental Sciences
Esters
Food contamination & poisoning
Groundwater pollution
Halogens
Household wastes
Indicator organisms
Industrial pollution
LDCs
Lepidium sativum - drug effects
Mercury
moknine continental sebkha
Organic carbon
Oxygen requirement
Phthalates
Physicochemical analysis
Phytotoxicity
plasticizers
Pollutants
Seawater
Seawater - chemistry
Solid suspensions
Surface water
Suspended particulate matter
Total organic carbon
Total oxygen demand
Total suspended solids
Toxicity
Toxicity testing
Trophic levels
Tunisia
Water analysis
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - toxicity
Water pollution
Water quality
Water sampling
Water treatment
Tunisia
Germany
plasticizers
Moknine Continental Sebkha
biomonitoring
ecotoxicity
ISSN:1477-8920, 1996-7829
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Popis
Shrnutí:Degradation of water quality is an emerging issue in many developing countries. In this context, industrial and domestic effluents heavily contaminate the coast of Moknine Continental Sebkha in Tunisia. The present study aimed to biomonitor the seawater quality of the Moknine Continental Sebkha coast using physicochemical and ecotoxicological approaches. The ecotoxicological assessment was performed using three species representing different trophic levels, namely Vibrio fischeri, Selenastrum capricornutum, and Lepidium sativum. In the physicochemical analysis such as BOD (biochemical oxygen demand), COD (chemical oxygen demand), TSS (total suspended solids), TOC (total organic carbon), NO3− (nitrate), AOX (adsorbable organic halogen), the recorded levels of pH and total suspended solids did not comply with the Tunisian standard (NT.09.11/1983). The ecotoxicological data confirmed that the tested water samples displayed toxicity to two test indicators L. sativum and S. capricornutum. A targeted chemical screening of the Moknine Continental Sebkha coast previously performed revealed the presence of total mercury, four phthalate acid esters, and one non-phthalate plasticizer, a fact that could explain the observed ecotoxicological effects and therefore might harm the biotic area and the health of the surrounding population.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1477-8920
1996-7829
DOI:10.2166/wh.2024.035