The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters
The contamination of ecosystems in areas around waste dumps is a major threat to the health of surrounding populations. The aim of this study is to understand the contribution of the Hulene-B waste dump (Maputo, Mozambique) to the contamination of edible plants, rhizosphere soils, stream waters, and...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-03-01
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| Series: | Environments |
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| Online Access: | https://www.mdpi.com/2076-3298/10/3/45 |
| _version_ | 1797611859866550272 |
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| author | Bernardino Bernardo Carla Candeias Fernando Rocha |
| author_facet | Bernardino Bernardo Carla Candeias Fernando Rocha |
| author_sort | Bernardino Bernardo |
| collection | DOAJ |
| description | The contamination of ecosystems in areas around waste dumps is a major threat to the health of surrounding populations. The aim of this study is to understand the contribution of the Hulene-B waste dump (Maputo, Mozambique) to the contamination of edible plants, rhizosphere soils, stream waters, and groundwater, and to assess human health risk. Soil and plant samples were analyzed by XRD and XRF for mineralogical and chemical composition characterization, respectively. Mineral phases identified in rhizosphere soil samples were ranked, calcite (CaCO<sub>3</sub>) > quartz (SiO<sub>2</sub>) > phyllosilicates (micas and kaolinite) > anhydrite (CaSO<sub>4</sub>) > K feldspar (KAlSi<sub>3</sub>O<sub>8</sub>) > opal (SiO<sub>2</sub>·nH<sub>2</sub>O) > gypsum (CaSO<sub>4</sub>·2H<sub>2</sub>O), suggesting potential toxic elements low mobility. Soil environmental indices showed pollution by Pb > Cu > Zn > Zr. The chemical composition of edible plants revealed contamination by Ni, Cr, Mn, Fe, Ti, and Zr. Groundwaters and stream waters showed a potential health risk by Hg and, in one irrigation water sample, by Pb content. The health hazard index of rhizosphere soils was higher by ingestion, with children being the ones more exposed. Results suggested a combined health risk by exposure to edible plants, rhizosphere soils, stream waters, and groundwaters. |
| first_indexed | 2024-03-11T06:34:37Z |
| format | Article |
| id | doaj.art-199b57495359462c95fe2bb2fd7b4761 |
| institution | Directory Open Access Journal |
| issn | 2076-3298 |
| language | English |
| last_indexed | 2024-03-11T06:34:37Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Environments |
| spelling | doaj.art-199b57495359462c95fe2bb2fd7b47612023-11-17T10:57:53ZengMDPI AGEnvironments2076-32982023-03-011034510.3390/environments10030045The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and GroundwatersBernardino Bernardo0Carla Candeias1Fernando Rocha2GeoBioTec Research Centre, Department of Geosciences, University of Aveiro, 3810-193 Aveiro, PortugalGeoBioTec Research Centre, Department of Geosciences, University of Aveiro, 3810-193 Aveiro, PortugalGeoBioTec Research Centre, Department of Geosciences, University of Aveiro, 3810-193 Aveiro, PortugalThe contamination of ecosystems in areas around waste dumps is a major threat to the health of surrounding populations. The aim of this study is to understand the contribution of the Hulene-B waste dump (Maputo, Mozambique) to the contamination of edible plants, rhizosphere soils, stream waters, and groundwater, and to assess human health risk. Soil and plant samples were analyzed by XRD and XRF for mineralogical and chemical composition characterization, respectively. Mineral phases identified in rhizosphere soil samples were ranked, calcite (CaCO<sub>3</sub>) > quartz (SiO<sub>2</sub>) > phyllosilicates (micas and kaolinite) > anhydrite (CaSO<sub>4</sub>) > K feldspar (KAlSi<sub>3</sub>O<sub>8</sub>) > opal (SiO<sub>2</sub>·nH<sub>2</sub>O) > gypsum (CaSO<sub>4</sub>·2H<sub>2</sub>O), suggesting potential toxic elements low mobility. Soil environmental indices showed pollution by Pb > Cu > Zn > Zr. The chemical composition of edible plants revealed contamination by Ni, Cr, Mn, Fe, Ti, and Zr. Groundwaters and stream waters showed a potential health risk by Hg and, in one irrigation water sample, by Pb content. The health hazard index of rhizosphere soils was higher by ingestion, with children being the ones more exposed. Results suggested a combined health risk by exposure to edible plants, rhizosphere soils, stream waters, and groundwaters.https://www.mdpi.com/2076-3298/10/3/45edible plantsrhizosphere soilwaterrisk assessmentMaputo |
| spellingShingle | Bernardino Bernardo Carla Candeias Fernando Rocha The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters Environments edible plants rhizosphere soil water risk assessment Maputo |
| title | The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters |
| title_full | The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters |
| title_fullStr | The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters |
| title_full_unstemmed | The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters |
| title_short | The Contribution of the Hulene-B Waste Dump (Maputo, Mozambique) to the Contamination of Rhizosphere Soils, Edible Plants, Stream Waters, and Groundwaters |
| title_sort | contribution of the hulene b waste dump maputo mozambique to the contamination of rhizosphere soils edible plants stream waters and groundwaters |
| topic | edible plants rhizosphere soil water risk assessment Maputo |
| url | https://www.mdpi.com/2076-3298/10/3/45 |
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