{
    "river": {
        "name": "l'Arroux",
        "course_code": "K1--0180",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:32+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
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            "last_year": 2025
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            "last_year": 2025
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            "last_year": 2025
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            "last_year": 2025
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            "last_year": 2025
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            "last_year": 2024
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            "last_year": 2019
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            "last_year": 2020
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            "last_year": 2022
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            "species_code": "31135",
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            "last_year": 1998
        },
        {
            "species_code": "2191",
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            "last_year": 2012
        },
        {
            "species_code": "20550",
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            "last_year": 2022
        },
        {
            "species_code": "2102",
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            "last_year": 2022
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}