{
    "river": {
        "name": "La Chiers",
        "course_code": "B4--0100",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-07T14:44:11+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "last_year": 2025
        },
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            "last_year": 2025
        },
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            "individual_count": null,
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            "last_year": 2025
        },
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            "individual_count": null,
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            "last_year": 2025
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            "last_year": 2025
        },
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            "species_code": "2122",
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            "last_year": 2025
        },
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            "last_year": 2025
        },
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            "individual_count": null,
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            "last_year": 2025
        },
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            "last_year": 2025
        },
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            "last_year": 2025
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            "individual_count": null,
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            "last_year": 2025
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            "last_year": 2023
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            "individual_count": null,
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            "last_year": 2025
        },
        {
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            "individual_count": null,
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            "last_year": 2025
        },
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            "last_year": 2025
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            "last_year": 2021
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            "last_year": 2019
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            "last_year": 2025
        },
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            "last_year": 2019
        },
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        },
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            "last_year": 2025
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            "last_year": 2002
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        {
            "species_code": "2238",
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        },
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            "species_code": "2085",
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            "last_year": 2021
        },
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            "species_code": "68137",
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            "last_year": 2017
        },
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            "species_code": "2117",
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            "observation_count": 3,
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            "last_year": 2002
        },
        {
            "species_code": "2221",
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            "last_year": 2001
        },
        {
            "species_code": "20597",
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            "last_year": 2013
        },
        {
            "species_code": "2227",
            "common_name": "Saumon de fontaine",
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            "last_year": 1993
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
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            "observation_count": 1,
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            "last_year": 2002
        },
        {
            "species_code": "2010",
            "common_name": "Lamproie indéterminée (genre Lampetra)",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2003,
            "last_year": 2003
        },
        {
            "species_code": "873",
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            "scientific_name": "Pacifastacus leniusculus",
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            "observation_count": 1,
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            "last_year": 2025
        },
        {
            "species_code": "2111",
            "common_name": "Carpe cuir",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2006
        }
    ]
}