Abstract
The quantitative and qualitative physic-chemical properties considered in more than 15 geographical sites were selected along the Iraqi coastline. The grain size analysis and the EC, pH, TDS, K, Na, Mg, Ca, HCO3, Cl, SO4 were estimated in the sediments sample. Three types of soil textures dominate which are sandy clay, sandy clay loam and clay loam were observed in the present study. The results show that the pH value ranges from7.67-8.19, EC (23-68.45 dS/m), TDS (14720-43808 ppm), Na (6388-20746 ppm), K (73.225-211.875ppm), Ca (306.25-537.5 ppm), Mg (675-2475ppm), Cl (6160-18350 ppm), SO4 (1680-4080 ppm), HCO3 (93.75-225 ppm), SAR (37.61-107.95). The analytical results for the surface samples presented the impact of both solodization and salinization processes. They are shown from the high values of EC and domination of Na in the exchangeable complex. The ions occur in the following concentration order: Na > Mg > Ca > K and Cl > SO4 > HCO3.
Highlights
Some properties of the sediment’s tidal flats such as sediment dynamics, the biogeochemistry and the physicochemical are dependent on the interactions between chemical, physical and biological properties, including tidal currents, storm waves, sea flows, air contact, ice-scour in the winter and dryness in the summer
Three types of soil textures dominate; they are sandy clay loam; clay loam and sandy clay were observed in the present study
The silt ranges from 3.40% in station to 26.95% in station 8 while clay is ranged from 19.82% in station to 64.27% in station 4
Summary
Some properties of the sediment’s tidal flats such as sediment dynamics, the biogeochemistry and the physicochemical are dependent on the interactions between chemical, physical and biological properties, including tidal currents, storm waves, sea flows, air contact, ice-scour in the winter and dryness in the summer. A better understanding of physic-chemical properties like pH, conductivity, salinity, etc. The texture and sediment salinity are the main factors controlling the distribution and ecology of recent fauna (Shareef, 2015). The sediments textural, amount of anaerobic situation and salinity of the surface layer have a significant effect in mangrove growing and establishing of seedlings Sediments salinity can be recognized as a critical factor controlling in survival growth, restoration and zonation in species of mangrove (Semeniuk, 1983; Al-Khalf and AlSaad, 2019)
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