{
    "river": {
        "name": "La Barse",
        "course_code": "F08-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:46+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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            "observation_count": 1034,
            "individual_count": null,
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            "last_year": 2026
        },
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            "observation_count": 878,
            "individual_count": null,
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            "last_year": 2025
        },
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            "species_code": "2193",
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            "observation_count": 820,
            "individual_count": null,
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            "last_year": 2026
        },
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            "observation_count": 736,
            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "2113",
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            "observation_count": 502,
            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "31041",
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            "observation_count": 418,
            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "2125",
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            "observation_count": 261,
            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2099",
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            "observation_count": 171,
            "individual_count": null,
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            "last_year": 2020
        },
        {
            "species_code": "25609",
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            "observation_count": 150,
            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "2012",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2079",
            "common_name": "Chabot indéterminé (Cottus)",
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            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2050",
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            "observation_count": 67,
            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "2086",
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            "observation_count": 54,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2191",
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            "last_year": 2018
        },
        {
            "species_code": "2135",
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            "last_year": 2023
        },
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            "species_code": "2165",
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            "last_year": 2016
        },
        {
            "species_code": "2151",
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            "observation_count": 30,
            "individual_count": null,
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            "last_year": 2011
        },
        {
            "species_code": "2137",
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            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2088",
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            "individual_count": null,
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            "last_year": 2026
        },
        {
            "species_code": "2010",
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            "individual_count": null,
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            "last_year": 2007
        },
        {
            "species_code": "5073",
            "common_name": "Loche indéterminée (Barbatula)",
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            "observation_count": 16,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2221",
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            "scientific_name": "Salmo trutta",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
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            "observation_count": 13,
            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2104",
            "common_name": "Hotu",
            "scientific_name": "Chondrostoma nasus",
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            "observation_count": 12,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2026
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
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            "individual_count": null,
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            "last_year": 2003
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
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            "observation_count": 8,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2024
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 6,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2024
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2015,
            "last_year": 2018
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2018
        },
        {
            "species_code": "2247",
            "common_name": "Ombre commun",
            "scientific_name": "Thymallus thymallus",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2013
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
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            "observation_count": 2,
            "individual_count": null,
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            "last_year": 2001
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 1,
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            "first_year": 2016,
            "last_year": 2016
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 1,
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            "first_year": 2014,
            "last_year": 2014
        },
        {
            "species_code": "2117",
            "common_name": "Able de Heckel",
            "scientific_name": "Leucaspius delineatus",
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            "observation_count": 1,
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            "last_year": 1995
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        }
    ]
}