{
    "river": {
        "name": "Ruisseau de Boler",
        "course_code": "A88-0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:01:13+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "individual_count": null,
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            "last_year": 2012
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
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            "observation_count": 142,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
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            "observation_count": 91,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2012
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 87,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 79,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 73,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
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            "observation_count": 52,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2012
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 4,
            "observation_count": 47,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 4,
            "observation_count": 20,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2067",
            "common_name": "Loche de rivière",
            "scientific_name": "Cobitis taenia",
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            "observation_count": 13,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 2010
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 1989,
            "last_year": 1989
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 1989
        }
    ]
}