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  "agreement": "true",
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  "agreement": "true",
            
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  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
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  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
            
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  "author": null,
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  "author": null,
            
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  "author_email": null,
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  "authors": [
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  "authors": [
            
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    {
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    {
            
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      "author_department": "",
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      "author_department": "",
            
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      "author_email": "Michael.Silberbauer@gmail.com",
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      "author_email": "Michael.Silberbauer@gmail.com",
            
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      "author_name": "Michael",
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      "author_name": "Michael",
            
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      "author_organization": "Department of Water and Sanitation, 
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      "author_organization": "Department of Water and Sanitation, 
            
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Resource Quality Information Services, Pretoria, South Africa / 
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Resource Quality Information Services, Pretoria, South Africa / 
            
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Freshwater Research Unit (FRU), University of Cape Town",
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Freshwater Research Unit (FRU), University of Cape Town",
            
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      "author_surname": "Silberbauer",
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      "author_surname": "Silberbauer",
            
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      "contact_same_as_author": "True"
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      "contact_same_as_author": "True"
            
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    }
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    }
            
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  ],
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  ],
            
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  "citation_title": "SILBERBAUER M (2020) ReScience challenge: 
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  "citation_title": "SILBERBAUER M (2020) ReScience challenge: 
            
19
Geographical trends in the water chemistry of wetlands in the 
19
Geographical trends in the water chemistry of wetlands in the 
            
20
South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
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South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
            
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Article #13.",
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Article #13.",
            
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  "contact_person": [
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  "contact_person": [
            
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    {
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    {
            
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      "contact_department": "",
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      "contact_department": "",
            
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      "contact_email": "Michael.Silberbauer@gmail.com",
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      "contact_email": "Michael.Silberbauer@gmail.com",
            
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      "contact_name": "Michael",
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      "contact_name": "Michael",
            
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      "contact_orgnization": "Department of Water and Sanitation, 
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      "contact_orgnization": "Department of Water and Sanitation, 
            
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Resource Quality Information Services, Pretoria, South Africa / 
28
Resource Quality Information Services, Pretoria, South Africa / 
            
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Freshwater Research Unit (FRU), University of Cape Town"
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Freshwater Research Unit (FRU), University of Cape Town"
            
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    }
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    }
            
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  ],
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  ],
            
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  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
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  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
            
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  "data_classification": "both",
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  "data_classification": "both",
            
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  "data_collection_organization": "University of Cape Town",
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  "data_collection_organization": "University of Cape Town",
            
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  "data_reference_date": [
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  "data_reference_date": [
            
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    {
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    {
            
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      "data_reference_date_from": "1986-01-01",
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      "data_reference_date_from": "1986-01-01",
            
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      "data_reference_date_to": "1989-12-31"
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      "data_reference_date_to": "1989-12-31"
            
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    }
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    }
            
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  ],
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  ],
            
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  "data_structure_category": "structured",
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  "data_structure_category": "structured",
            
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  "dataset_language": "English",
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  "dataset_language": "English",
            
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  "dataset_license_url": 
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  "dataset_license_url": 
            
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"https://creativecommons.org/licenses/by-sa/4.0/",
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"https://creativecommons.org/licenses/by-sa/4.0/",
            
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  "did_author_or_contact_organization_collect_the_data": "false",
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  "did_author_or_contact_organization_collect_the_data": "false",
            
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  "email": "vanderLaanM@arc.agric.za",
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  "email": "vanderLaanM@arc.agric.za",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
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  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
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  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
            
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Western Cape, South Africa, Hydrochemistry",
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Western Cape, South Africa, Hydrochemistry",
            
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  "license": "Open (Creative Commons)",
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  "license": "Open (Creative Commons)",
            
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  "license_id": null,
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  "license_id": null,
            
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  "license_title": null,
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  "license_title": null,
            
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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": null,
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  "maintainer_email": null,
            
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  "metadata_created": "2025-10-22T11:52:35.675951",
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  "metadata_created": "2025-10-22T11:52:35.675951",
            
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  "metadata_modified": "2026-02-28T11:38:05.210802",
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  "metadata_modified": "2026-03-16T21:16:22.300592",
            
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  "minimum_maximum_extent": [
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  "minimum_maximum_extent": [
            
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    {
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    {
            
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      "maximum_vertical_extent": "1500",
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      "maximum_vertical_extent": "1500",
            
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      "minimum_vertical_extent": "0"
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      "minimum_vertical_extent": "0"
            
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    }
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    }
            
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  ],
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  ],
            
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  "name": 
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  "name": 
            
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l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
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l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
            
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  "notes": "The dataset contained major\u2011ion water chemistry data 
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  "notes": "The dataset contained major\u2011ion water chemistry data 
            
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from wetlands located in the South\u2011Western Cape Province of South 
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from wetlands located in the South\u2011Western Cape Province of South 
            
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Africa. The data were originally collected during the late 1980s as 
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Africa. The data were originally collected during the late 1980s as 
            
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part of a wetlands research project managed by the Freshwater Research 
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part of a wetlands research project managed by the Freshwater Research 
            
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Unit at the University of Cape Town. The study investigated whether 
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Unit at the University of Cape Town. The study investigated whether 
            
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geographical patterns existed in the major\u2011ion chemistry of 
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geographical patterns existed in the major\u2011ion chemistry of 
            
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wetland waters by analysing ionic concentrations and visualising their 
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wetland waters by analysing ionic concentrations and visualising their 
            
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relationships using Maucha ionic diagrams.\r\nWater chemistry 
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relationships using Maucha ionic diagrams.\r\nWater chemistry 
            
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measurements included major cations and anions, together with 
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measurements included major cations and anions, together with 
            
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supporting physicochemical variables such as temperature, 
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supporting physicochemical variables such as temperature, 
            
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conductivity, salinity, pH, total dissolved solids and nutrients. The 
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conductivity, salinity, pH, total dissolved solids and nutrients. The 
            
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dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
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dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
            
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later re\u2011analysed for reproducibility as part of the ReScience 
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later re\u2011analysed for reproducibility as part of the ReScience 
            
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challenge. The reproduced analysis demonstrated the continued 
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challenge. The reproduced analysis demonstrated the continued 
            
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usability of historical environmental datasets and illustrated 
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usability of historical environmental datasets and illustrated 
            
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long\u2011term value for assessing wetland condition and baseline 
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long\u2011term value for assessing wetland condition and baseline 
            
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water chemistry in the Western Cape region.\r\nThe dataset served as a 
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water chemistry in the Western Cape region.\r\nThe dataset served as a 
            
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historical baseline for subsequent studies on wetland change and water 
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historical baseline for subsequent studies on wetland change and water 
            
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quality trends and supported spatial interpretation of hydrochemical 
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quality trends and supported spatial interpretation of hydrochemical 
            
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variability across wetlands within the study region.",
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variability across wetlands within the study region.",
            
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    "created": "2026-02-28T11:26:51.247095",
            
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    "description": "UCT has a proud tradition of academic excellence 
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    "description": "UCT has a proud tradition of academic excellence 
            
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and is currently the top-rated university in Africa and one of the 
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and is currently the top-rated university in Africa and one of the 
            
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top-rated universities in the world. Our researchers continue to help 
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top-rated universities in the world. Our researchers continue to help 
            
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with the creation of African-based solutions to global problems, 
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with the creation of African-based solutions to global problems, 
            
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including issues relating to climate change, urbanisation, safety and 
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including issues relating to climate change, urbanisation, safety and 
            
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security, education and health, to name just a few. Many UCT 
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security, education and health, to name just a few. Many UCT 
            
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researchers are recognised world leaders in their respective fields, 
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researchers are recognised world leaders in their respective fields, 
            
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which means that if you choose to study with us, you will continually 
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which means that if you choose to study with us, you will continually 
            
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be exposed to the latest scholarly work and research discoveries.",
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be exposed to the latest scholarly work and research discoveries.",
            
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  "publication_date": "2020-08-22",
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  "publication_date": "2020-08-22",
            
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  "publisher": "ReScience C / Zenodo",
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  "publisher": "ReScience C / Zenodo",
            
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  "tags": [],
            
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  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
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  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
            
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Western Cape South Africa",
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Western Cape South Africa",
            
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}