Data Zone
The site was identified as important in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| European Nightjar Caprimulgus europaeus | LC | breeding | 2001 | 80-120 breeding pairs | C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding | 2001 | 60-90 breeding pairs | C2, C6 |
| Black-crowned Night-heron Nycticorax nycticorax | LC | winter | 2000 | 60-200 individuals | C6 |
| Black-crowned Night-heron Nycticorax nycticorax | LC | breeding | 1994 | max 2,045 breeding pairs | A4i, B1i, B2, C2, C6 |
| Great White Egret Ardea alba | LC | winter | 2000 | 30-70 individuals | C6 |
| Little Egret Egretta garzetta | LC | winter | 2000 | 50-120 individuals | C6 |
| Little Tern Sternula albifrons | LC | breeding | 1991 | 90-130 breeding pairs | C6 |
| Common Tern Sterna hirundo | LC | breeding | 1991 | 120-180 breeding pairs | C6 |
| Montagu's Harrier Circus pygargus | LC | breeding | 1996-2001 | 2 breeding pairs | C6 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2002).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Viadana; Portiolo, San Benedetto Po e Ostiglia | Special Protection Area (Birds Directive) | 7,223 | protected area overlaps with site | 2,022 |
| Spinadesco | Special Protection Area (Birds Directive) | 1,039 | protected area overlaps with site | 1,039 |
| Spiaggioni di Spinadesco | Site of Community Importance (Habitats Directive) | 825 | protected area contained by site | 825 |
| Senna Lodigiana | Special Protection Area (Birds Directive) | 327 | protected area overlaps with site | 267 |
| Riserva Regionale Lanca di Gerole | Special Protection Area (Birds Directive) | 1,180 | protected area overlaps with site | 1,180 |
| Riserva Regionale Garzaia di Pomponesco | Special Protection Area (Birds Directive) | 96 | protected area contained by site | 96 |
| Riserva Regionale Bosco Ronchetti | Special Protection Area (Birds Directive) | 300 | protected area overlaps with site | 281 |
| Riserva naturale orientata Lanca di Gerole | Riserva naturale regionale/provinciale | 48 | protected area overlaps with site | 0 |
| Riserva naturale orientata Bosco Ronchetti | Riserva naturale regionale/provinciale | 28 | protected area overlaps with site | 0 |
| Riserva naturale Isola Boscone | Riserva naturale regionale/provinciale | 200 | protected area contained by site | 0 |
| Riserva naturale Garzaia di Pomponesco | Riserva naturale regionale/provinciale | 62 | protected area contained by site | 0 |
| Pomponesco | Site of Community Importance (Habitats Directive) | 62 | protected area contained by site | 62 |
| Po di San Rocco al Porto | Special Protection Area (Birds Directive) | 132 | protected area overlaps with site | 0 |
| Po di Pieve Porto Morone | Special Protection Area (Birds Directive) | 33 | protected area overlaps with site | 27 |
| Po di Monticelli Pavese e Chignolo Po | Special Protection Area (Birds Directive) | 290 | protected area overlaps with site | 194 |
| Po di Corte S. Andrea | Special Protection Area (Birds Directive) | 135 | protected area contained by site | 135 |
| Po da Albaredo Arnaboldi ad Arena Po | Special Protection Area (Birds Directive) | 907 | protected area overlaps with site | 463 |
| Parco Regionale Oglio Sud | Special Protection Area (Birds Directive) | 4,023 | protected area overlaps with site | 298 |
| Lancone di Gussola | Site of Community Importance (Habitats Directive) | 114 | protected area overlaps with site | 89 |
| Lanca di Gussola | Special Protection Area (Birds Directive) | 152 | protected area overlaps with site | 152 |
| Lanca di Gerole | Site of Community Importance (Habitats Directive) | 476 | protected area overlaps with site | 476 |
| Isola Maria Luigia | Special Protection Area (Birds Directive) | 556 | protected area overlaps with site | 556 |
| Isola Boscone | Ramsar Site, Wetland of International Importance | 201 | protected area overlaps with site | 0 |
| Isola Boscone | Site of Community Importance (Habitats Directive) | 139 | protected area overlaps with site | 0 |
| Isola Boscone | Special Protection Area (Birds Directive) | 139 | protected area overlaps with site | 139 |
| Golena del Po presso Zibello | Special Protection Area (Birds Directive) | 336 | protected area overlaps with site | 291 |
| Golena del Po di Gualtieri; Guastalla e Luzzara | Site of Community Importance (Habitats Directive) | 1,131 | protected area contained by site | 0 |
| Golena del Po di Gualtieri; Guastalla e Luzzara | Special Protection Area (Birds Directive) | 1,131 | protected area contained by site | 1,120 |
| Fiume Po da Rio Boriacco a Bosco Ospizio | Special Protection Area (Birds Directive) | 6,151 | protected area overlaps with site | 4,269 |
| Fiume Po da Rio Boriacco a Bosco Ospizio | Site of Community Importance (Habitats Directive) | 6,151 | protected area overlaps with site | 0 |
| Castelnuovo Bocca d'Adda | Special Protection Area (Birds Directive) | 165 | protected area overlaps with site | 135 |
| Bosco Ronchetti | Site of Community Importance (Habitats Directive) | 210 | protected area overlaps with site | 182 |
| Bosco Foce Oglio | Site of Community Importance (Habitats Directive) | 306 | protected area overlaps with site | 285 |
| Basso Trebbia | Special Protection Area (Birds Directive) | 1,336 | protected area overlaps with site | 357 |
| Basso Taro | Site of Community Importance (Habitats Directive) | 1,005 | protected area overlaps with site | 0 |
| Basso Taro | Special Protection Area (Birds Directive) | 1,005 | protected area overlaps with site | 288 |
| Aree delle risorgive di Viarolo; Bacini di Torrile, Fascia golenale del Po | Site of Community Importance (Habitats Directive) | 2,622 | protected area overlaps with site | 0 |
| Aree delle risorgive di Viarolo; Bacini di Torrile, Fascia golenale del Po | Special Protection Area (Birds Directive) | 2,622 | protected area overlaps with site | 572 |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: River Po: from Ticino mouth to Boscone island. Downloaded from
http://datazone.birdlife.org/site/factsheet/river-po:-from-ticino-mouth-to-boscone-island-iba-italy on 01/10/2023.
