Use of Sediment and Algae for Biomonitoring the Coast of Hona&amp;#239;ne (Far West Algerian)

Allam, Hadil; Aouar, Amaria; Benguedda, Wacila; Bettioui, R

doi:10.4236/oje.2016.64016

Cited by 13 publications

(2 citation statements)

References 24 publications

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“…Analysis of sediment provides baseline information for global modelling of environmental change. The particle size can affect the rate a substance will dissolve 27 a role in understanding coastal habitats 28 and help determine the extent, nature and transport of pollutants. It is suggested to deploy the coastal sediment sample collection in the Oran Gulf area in different months of the year to decipher the temporal variation of sediment distribution and identify potential seasonal sediment flux.…”

Section: Discussionmentioning

confidence: 99%

Grain Size Data Analysis of Marine Sediments, from the Gulf of Oran (Algerian West Coast)

Kerfouf,

Boucetta

2022

Asian J. Earth Sci

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Background and Objective:The characterization of sediment grain sizes and their spatial distributions are key input parameters to study the nature and texture of the seabed substrate. The aim for analysis of these parameters makes it possible to identify the distribution of sediments and a better understanding of the spatial distribution of benthic communities in the soft bottoms of the Gulf of Oran. Materials and Methods: Sediment samples were collected and studied from the sampling of 36 stations, ranging in depth from -30 to -106 m. All samples were analysed for their grain size distribution and statistical relationships. Results: The study area is mainly composed of sand and gravel. The sand content of the stations studied is between 19.14 and 89.71% and that of the gravel is between 80.0 and 2.14%. Most stations in the Gulf of Oran contain less than 5% muddy sediment. Five important sedimentary facies and a small zone of reduced mud are identified. Conclusion: Sand is found often mixed with gravel. The sediments of the stations near the coasts are very affected by urban and industrial pollution. The sediments at all stations are generally varied and influenced by hydrodynamics, turbidity and wave dynamics.

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Section: Discussionmentioning

confidence: 99%

Grain Size Data Analysis of Marine Sediments, from the Gulf of Oran (Algerian West Coast)

Kerfouf,

Boucetta

2022

Asian J. Earth Sci

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“…Standard methods, such as inductively coupled plasma mass spectrometry (ICP-MS) with ISO 17294-2 protocol measurements can be used, but satisfactory performance results range from 41 to 86% with various metals ( 51 ). Instead, previous studies have used macroalgae as a bioindicator of heavy metals in saltwater ( 67 – 69 ). In the present study, Halimeda opuntia , a species of green macroalgae, was selected as a bioindicator of metals to establish a proxy of saltwater concentrations ( 70 ).…”

Section: Methodsmentioning

confidence: 99%

Study Protocol: Interactive Dynamics of Coral Reef Fisheries and the Nutrition Transition in Kiribati

Golden

Ayroles

Eurich

et al. 2022

Front. Public Health

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The Kiribati 2019 Integrated Household Income and Expenditure Survey (Integrated HIES) embeds novel ecological and human health research into an ongoing social and economic survey infrastructure implemented by the Pacific Community in partnership with national governments. This study seeks to describe the health status of a large, nationally representative sample of a geographically and socially diverse I-Kiribati population through multiple clinical measurements and detailed socio-economic surveys, while also conducting supporting food systems research on ecological, social, and institutional drivers of change. The specific hypotheses within this research relate to access to seafood and the potential nutritional and health benefits of these foods. We conducted this research in 21 of the 23 inhabited islands of Kiribati, excluding the two inhabited islands—Kanton Islands in the Phoenix Islands group with a population of 41 persons (2020 census) and Banaba Island in the Gilbert Islands group with a population of 333 persons (2020 census)—and focusing exclusively on the remaining islands in the Gilbert and Line Islands groups. Within this sample, we focused our intensive human health and ecological research in 10 of the 21 selected islands to examine the relationship between ecological conditions, resource governance, food system dynamics, and dietary patterns. Ultimately, this research has created a baseline for future Integrated HIES assessments to simultaneously monitor change in ecological, social, economic, and human health conditions and how they co-vary over time.

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From a heavy metal perspective, is macroalgal biomass from Madeira Archipelago and Gran Canaria Island of eastern Atlantic safe for the development of blue bioeconomy products?

Nunes,

Ferraz,

Venuleo

et al. 2023

J Appl Phycol

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Macroalgae are considered a valuable source of several compounds with nutritional, nutraceutical, cosmeceutical, and pharmaceutical applications. They are also used for crop fertilization and biofortification by introducing important minerals into the soil essential for crop productivity. At the same time, however, they are known bio-accumulators of some heavy metals. In this work, we assessed the content of 7 minerals considered as heavy metals in 25 macroalgae samples, comprising 4 greens, 9 reds and 12 browns, from Madeira Archipelago, Portugal, for their potential use as blue bioeconomy products. These heavy metals included zinc (Zn) with concentrations that ranged from 1.95 – 242.65 mg kg−1 dw, nickel (Ni, 0.6 – 34.78 mg kg−1 dw), copper (Cu, 0.42 – 7.98 mg kg−1 dw), chromium (Cr, 0.47 – 45.74 mg kg−1 dw), cadmium (Cd, 0.1 – 2.58 mg kg−1 dw), lead (Pb, 0.05 – 2.79 mg kg−1 dw) and mercury (Hg, 0.03 – 8.49 µg kg−1 dw). We also analysed 22 samples of beach-cast macroalgae from Gran Canaria Island, Spain, collected from November 2016 to November 2019. The same heavy metals were assessed with their concentrations that ranged as follows: Zn (11.41 – 42.20 mg kg−1 dw), Ni (3.17 – 17.78 mg kg−1 dw), Cu (1.85 – 4.20 mg kg−1 dw), Cr (6.08 – 37.98 mg kg−1 dw), Cd (0.02 – 0.11 g kg−1 dw), Pb (0.16 –5.42 mg kg−1 dw) and Hg (3.59 – 31.00 µg kg−1 dw). These concentrations are all within the normal ranges reported in earlier studies in low industrialized areas, except for the brown algae Gongolaria abies-marina and Sargassum vulgare with high mean (± SD) Cd concentration (1.91 ± 0.36 and 1.75 ± 0.07 g kg−1 dw respectively). Our results suggest that most of the biomass prospected in these localities covered in the present study would be a viable source of materials for the development of a blue economy industry with emerging products following the European Union directives.

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Use of Sediment and Algae for Biomonitoring the Coast of Honaïne (Far West Algerian)

Cited by 13 publications

References 24 publications

Grain Size Data Analysis of Marine Sediments, from the Gulf of Oran (Algerian West Coast)

Grain Size Data Analysis of Marine Sediments, from the Gulf of Oran (Algerian West Coast)

Study Protocol: Interactive Dynamics of Coral Reef Fisheries and the Nutrition Transition in Kiribati

From a heavy metal perspective, is macroalgal biomass from Madeira Archipelago and Gran Canaria Island of eastern Atlantic safe for the development of blue bioeconomy products?

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