Table 1
Information on sampling sites. The eight sampled marshes exhibit variations in their geographic location (rural or urban), anthropic usage and pound surface areas, providing insights into the diversity of habitats.
| Site name | Abbreviation | Town | Geographic location | Geographical setting | River | Anthropic usage | Total pond surface (ha) |
|---|---|---|---|---|---|---|---|
| Parc de la Bouvaque | BOU | Abbevile | 50°6′59′′N, 1°50′34′′E | Peri-urban | Scardon | Urban park, fishing | 7.7 |
| Marais de Cléry-sur-Somme | CLE | Cléry-sur-Somme | 49°57′14′′N, 2°53′44′′E | Rural | Somme | Waterfowl hunting, fishing | 46.2 |
| Marais de Hailles | HAI | Hailles | 49°48′31′′N, 2°25′23′′E | Rural | Avre | Waterfowl hunting, fishing | 7.1 |
| Marais de Long | LON | Long | 50°1′36′′N, 1°58′33′′E | Rural | Somme | Waterfowl hunting, fishing | 63.0 |
| Marais d'Isle | MAI | Saint-Quentin | 49°50′36′′N, 3°18′22′′E | Urban | Somme | Urban park, National Nature Reserve | 14.6 |
| Marais de Morcourt | MOR | Morcourt | 49°53′47′′N, 2°39′53′′E | Rural | Somme | Waterfowl hunting, fishing | 12.4 |
| Marais de Tirancourt | TIR | Tirancourt | 49°56′23′′N, 2°10′52′′E | Rural | Somme | Waterfowl hunting | 9.2 |
| Marais des Trois Vaches | TVA | Amiens | 49°52′38′′N, 2°20′22′′E | Urban | Avre | Urban park, fishing | 12.0 |
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