{
    "river": {
        "name": "L'Eure",
        "course_code": "H4--0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:52:19+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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            "species_code": "2133",
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            "individual_count": null,
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            "last_year": 2023
        },
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            "species_code": "31041",
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            "observation_count": 227,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2113",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2071",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2080",
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            "observation_count": 138,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2193",
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            "observation_count": 72,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
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            "observation_count": 53,
            "individual_count": null,
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            "last_year": 1992
        },
        {
            "species_code": "2125",
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            "observation_count": 29,
            "individual_count": null,
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            "last_year": 2019
        },
        {
            "species_code": "2096",
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            "observation_count": 23,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2117",
            "common_name": "Able de Heckel",
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            "observation_count": 20,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
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            "observation_count": 19,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "68137",
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            "observation_count": 17,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2167",
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            "observation_count": 15,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2191",
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            "observation_count": 15,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2151",
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            "observation_count": 13,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2090",
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            "observation_count": 8,
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            "last_year": 2019
        },
        {
            "species_code": "2238",
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            "observation_count": 7,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2131",
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            "scientific_name": "Rhodeus amarus",
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            "observation_count": 6,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2086",
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            "scientific_name": "Abramis brama",
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            "last_year": 2017
        },
        {
            "species_code": "2010",
            "common_name": "Lamproie indéterminée (genre Lampetra)",
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            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2084",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2067",
            "common_name": "Loche de rivière",
            "scientific_name": "Cobitis taenia",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
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            "individual_count": null,
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            "last_year": 1992
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
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            "observation_count": 2,
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            "last_year": 2013
        },
        {
            "species_code": "2088",
            "common_name": "Spirlin",
            "scientific_name": "Alburnoides bipunctatus",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 1990
        },
        {
            "species_code": "2014",
            "common_name": "Lamproie marine",
            "scientific_name": "Petromyzon marinus",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2017
        }
    ]
}