{
    "river": {
        "name": "La Sarre",
        "course_code": "A9--0100",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:01:46+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
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            "last_year": 2024
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            "last_year": 2024
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            "last_year": 2024
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            "last_year": 2020
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            "last_year": 2024
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            "last_year": 2020
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            "species_code": "2110",
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        {
            "species_code": "20550",
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            "last_year": 2024
        },
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            "species_code": "2067",
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            "last_year": 2024
        },
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            "species_code": "2221",
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            "last_year": 1992
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    ]
}