{
    "river": {
        "name": "L'Ouanne",
        "course_code": "F41-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:00+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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            "last_year": 2025
        },
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            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "31041",
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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": "2133",
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            "individual_count": null,
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            "last_year": 2019
        },
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            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "2221",
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            "individual_count": null,
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            "last_year": 2019
        },
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            "species_code": "2122",
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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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            "species_code": "2104",
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            "individual_count": null,
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            "last_year": 2017
        },
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            "species_code": "2012",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2084",
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            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2193",
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            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2088",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2151",
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            "last_year": 2025
        },
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            "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": 2025
        },
        {
            "species_code": "2135",
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            "last_year": 2001
        },
        {
            "species_code": "2137",
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            "last_year": 2005
        },
        {
            "species_code": "2247",
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        {
            "species_code": "2131",
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            "last_year": 2019
        },
        {
            "species_code": "2167",
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            "last_year": 2011
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
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            "observation_count": 2,
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            "last_year": 2017
        },
        {
            "species_code": "2117",
            "common_name": "Able de Heckel",
            "scientific_name": "Leucaspius delineatus",
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            "last_year": 1997
        },
        {
            "species_code": "2177",
            "common_name": "Poisson-chat",
            "scientific_name": "Ameiurus melas",
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            "observation_count": 1,
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            "last_year": 1997
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 1995
        }
    ]
}