{
    "river": {
        "name": "l'Aron",
        "course_code": "M32-0310",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:24:46+02:00",
    "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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            "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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            "species_code": "2071",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2012",
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            "observation_count": 657,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2133",
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            "observation_count": 614,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2221",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2080",
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            "observation_count": 147,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2193",
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            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2135",
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            "last_year": 2025
        },
        {
            "species_code": "2038",
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            "observation_count": 71,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2131",
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            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "2090",
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            "individual_count": null,
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            "last_year": 2006
        },
        {
            "species_code": "873",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "68137",
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            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "2050",
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            "last_year": 2021
        },
        {
            "species_code": "2122",
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            "last_year": 1998
        },
        {
            "species_code": "2167",
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            "last_year": 2003
        },
        {
            "species_code": "2110",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2003
        },
        {
            "species_code": "2086",
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            "observation_count": 3,
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            "last_year": 2003
        },
        {
            "species_code": "2117",
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            "last_year": 2009
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
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            "observation_count": 2,
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            "last_year": 2001
        },
        {
            "species_code": "2123",
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            "scientific_name": "Leuciscus burdigalensis",
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            "observation_count": 1,
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            "last_year": 2021
        },
        {
            "species_code": "2129",
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            "observation_count": 1,
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            "first_year": 2009,
            "last_year": 2009
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
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            "observation_count": 1,
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            "last_year": 1999
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
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            "observation_count": 1,
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            "first_year": 2017,
            "last_year": 2017
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 1,
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            "first_year": 2017,
            "last_year": 2017
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2003,
            "last_year": 2003
        }
    ]
}