Studying the Diversity of Freshwater Ecosystems in Iraq. Do We Need Different Approaches?

Al-Jasimee, Ahmed Sabah; Abed, Salwan Ali; Salim, Mudhafar A.; Harjan, Qusay Jabbar

doi:10.1088/1742-6596/1664/1/012141

Cited by 3 publications

(4 citation statements)

References 39 publications

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“…The effective concentration of hydrogen ions (H) in the solution is referred to as the degree of pH, which is expressed by the (pH) scale, with a value range between (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14). Soil is classified according to its degree of salinity in Table 1, as reported by [17].…”

Section: Ph Valuementioning

confidence: 99%

“…The low-lying lands are covered by water throughout the year or part of it [1]. In the spring, when the Tigris and Euphrates rivers flood, the marshes are filled with water; during the summer, surplus water flows into the Arabian Gulf [2,3,4]. The marshes, which are located in Iraq between latitudes 35° 30' and 32° 45' N and between longitudes 13° 46' and 48° 00' E [5], have an area of 35,000 km 2 , of which around 9000 km 2 represents a permanent marsh filled and covered with water over the year.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Soil and Water Properties in the Central Marshes Southern Iraq

Kareem,

Jahanger

2023

E3S Web Conf.

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The Central Marshes are one of southern Iraq's most important wetlands and ecosystems. A study on evaluating soil quality and water quality in terms of chemical properties at certain sites in the southern Iraqi Central Marshes has been conducted to investigate their types and suitability for enhancing the agricultural reality of most field crops. Soil and water samples were collected from 15 sites and transferred to the laboratory. In the lab, the following parameters were determined: electrical conductivity (EC), total dissolved salts (TDS), organic materials (OM), pH, gypsum, and total sulfate content (SO3). The tests conducted on the samples indicated that it could be said that the soil of the Central Marshes is dark blackish-gray silty clay or clayey silt soil and revealed that most of the southern marshlands are suitable for planting different crops. Analysis of the results may have a role in designing and planning upcoming projects such as construction and agriculture, which would have to enlighten the decision maker.

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Section: Ph Valuementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Assessment of Soil and Water Properties in the Central Marshes Southern Iraq

Kareem,

Jahanger

2023

E3S Web Conf.

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“…Al-Jasimee et al [17] maintained that the biodiversity and distribution of aquatic organisms in various freshwater systems are greatly influenced by the physical and biological attributes of their environment. It is worth noting that fish diversity and the ecological status of any aquatic habitat can be assessed and ascertained using the fish distribution and richness approach to fisheries management.…”

Section: Introductionmentioning

confidence: 99%

Seasonal variations of water physico-chemistry, heavy metal concentrations and ecological abundance and biodiversity of fish from two Lagoon streams

Jolaosho,

Olayeri,

Oladipupo

et al. 2023

Preprint

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Background The fluctuation trends of ecological parameters and the biodiversity of aquatic living resources in freshwater environments are influenced majorly by anthropogenic activities. However, little or no study has been reported on the influence of natural events particularly seasons, on water physico-chemistry, heavy metal concentrations and their impacts on the ecological assemblages of fish in interlinked lagoon systems. The present study was carried out to estimate the influence of seasonal variations on the physico-chemical parameters, heavy metal concentration of water and biodiversity, and richness of fish from two lagoons with a view to ascertaining the significance of seasons on aquatic ecosystems and their resources. Methods The sampling lasted 12 months (from December 2021 to November 2022), during which both dry and rainy seasons were experienced. Samples of water and fish were collected twice per month. Water quality analysis was done using BOYD titration and APHA standard methods. The heavy metal contents were determined using the atomic absorption spectrophotometer. Diversity indices were computed using Microsoft Excel 2015. Results There were inconsistencies in the results obtained, and as a result, statistical differences (P < 0.05) were observed. Most of the water parameters were at their highest during the dry season. High heavy metal concentrations, particularly Cd, Pb, Zn, and Fe at (P < 0.05), were recorded during the dry season. A total of 920 and 953 individual fish from 22 and 26 families were obtained from Lekki Lagoon during the dry and wet seasons, respectively. In the Lagos Lagoon, a total of 1299 and 1772 individual fish, which belong to 24 and 25 families, were collected during the dry and rainy seasons, respectively. The best diversity indices, such as Shannon Weiner, Simpson's dominant index, Margalef, Menhinick, and the evenness index, were obtained during the rainy season. Conclusion Our results suggested that variation in seasons strongly influenced water quality parameters and heavy metal concentrations, as well as fish species biodiversity in the study areas. Hence, seasonal patterns in relation to aquatic ecosystems should be taken into account when making long-term policies for the sustainability of fisheries resources.

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“…Fresh water sources obtained from the ground are highly sought after for the needs of daily life, especially in rural areas [1]. Groundwater in coastal areas, namely areas adjacent to the coastline, has generally been contaminated by the presence of seawater into the groundwater aquifer [2,3,4,5].…”

Section: Introductionmentioning

confidence: 99%

A preliminary groundwater investigation using geoelectrical resistivity survey in the Bengkalis Island, Indonesia

Islami,

Azhar,

Irianti

et al. 2023

J. Phys.: Conf. Ser.

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Groundwater resources are one of the natural resources that need to be preserved. The main problem of groundwater in coastal areas is the intrusion of seawater into the groundwater aquifer. The problem will be even more complex when the land is covered by peat soil. The purpose of this study was to investigate the potential of groundwater in the western part of Bengkalis Island. Geoelectrical resistivity data was taken with the Schumberger configuration with the increase in the electrode distance being varied to obtain accurate measurements. Groundwater samples were measured to obtain the physical character of the groundwater. The results show that groundwater close to the shoreline has been contaminated by the presence of seawater intrusion. However, in areas that are a bit far from the shoreline, the shallow aquifer groundwater conditions are still not contaminated by seawater. It can be concluded that the presence of seawater in the aquifer is caused by the trapping of seawater in the aquifer during sediment deposition in the past.

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Studying the Diversity of Freshwater Ecosystems in Iraq. Do We Need Different Approaches?

Cited by 3 publications

References 39 publications

Assessment of Soil and Water Properties in the Central Marshes Southern Iraq

Assessment of Soil and Water Properties in the Central Marshes Southern Iraq

Seasonal variations of water physico-chemistry, heavy metal concentrations and ecological abundance and biodiversity of fish from two Lagoon streams

A preliminary groundwater investigation using geoelectrical resistivity survey in the Bengkalis Island, Indonesia

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