{
    "river": {
        "name": "La Douve",
        "course_code": "I5--0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:26:14+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "observation_count": 2489,
            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "2135",
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            "observation_count": 1035,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2038",
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            "observation_count": 813,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "31041",
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            "observation_count": 627,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2113",
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            "observation_count": 560,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2086",
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            "scientific_name": "Abramis brama",
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            "observation_count": 313,
            "individual_count": null,
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            "last_year": 2017
        },
        {
            "species_code": "2099",
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            "observation_count": 305,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2193",
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            "observation_count": 276,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2090",
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            "scientific_name": "Alburnus alburnus",
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            "observation_count": 259,
            "individual_count": null,
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            "last_year": 2017
        },
        {
            "species_code": "2131",
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            "scientific_name": "Rhodeus amarus",
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            "observation_count": 172,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2117",
            "common_name": "Able de Heckel",
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            "observation_count": 128,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 122,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2137",
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            "observation_count": 86,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2165",
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            "observation_count": 84,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2085",
            "common_name": "Brème indéterminée",
            "scientific_name": "Abramis",
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            "observation_count": 76,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "68137",
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            "scientific_name": "Faxonius limosus",
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            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
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            "observation_count": 64,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2191",
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            "observation_count": 46,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
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            "observation_count": 35,
            "individual_count": null,
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            "last_year": 2002
        },
        {
            "species_code": "2203",
            "common_name": "Flet commun",
            "scientific_name": "Platichthys flesus",
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            "observation_count": 21,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
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            "observation_count": 10,
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            "last_year": 2006
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
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            "observation_count": 10,
            "individual_count": null,
            "first_year": 1996,
            "last_year": 2017
        },
        {
            "species_code": "2195",
            "common_name": "Sandre",
            "scientific_name": "Sander lucioperca",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2009
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2183",
            "common_name": "Mulet porc",
            "scientific_name": "Liza ramada",
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            "observation_count": 2,
            "individual_count": null,
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            "last_year": 1998
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 2,
            "individual_count": null,
            "first_year": 2003,
            "last_year": 2011
        },
        {
            "species_code": "2111",
            "common_name": "Carpe cuir",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 1995
        }
    ]
}