HydroBASINS lev08 watershed · #2080021890
Bassin de la Divette
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Manche
Sub-basin area
1 319,7km²
Upstream area
1 319,7km²
Discharge
9,09m³/s
Mean elev.
56m
Administrative coverage
145 communes (GADM L5)Available for FRA, RWA
- Sainte-Marie-du-Mont27.52 km²95% commune
- Portbail25.59 km²100% commune
- Teurthéville-Bocage21.74 km²100% commune
- La Glacerie19.26 km²100% commune
- Les Moitiers-d'Allonne16.98 km²98% commune
- Vasteville16.94 km²100% commune
- Quettehou16.75 km²100% commune
- Vauville16.59 km²100% commune
- Les Pieux16.23 km²100% commune
- Cherbourg-Octeville16.10 km²100% commune
- Gonneville15.13 km²100% commune
- Tourlaville14.60 km²100% commune
- Montaigu-la-Brisette14.30 km²99% commune
- Le Theil14.04 km²100% commune
- Saint-Germain-de-Tournebut13.71 km²99% commune
- Le Vast13.38 km²100% commune
- Teurthéville-Hague12.98 km²100% commune
- Tréauville12.89 km²100% commune
- Le Mesnil-au-Val12.86 km²98% commune
- Équeurdreville-Hainneville12.83 km²100% commune
- Fermanville11.96 km²100% commune
- Urville-Nacqueville11.55 km²100% commune
- Flottemanville-Hague11.51 km²100% commune
- Saint-Marcouf11.25 km²82% commune
- Martinvast11.22 km²100% commune
- Héauville11.15 km²100% commune
- Barneville-Carteret11.14 km²100% commune
- Saint-Lô-d'Ourville10.83 km²100% commune
- Réville10.59 km²100% commune
- Jobourg10.49 km²100% commune
- Saint-Germain-sur-Ay10.32 km²58% commune
- Cosqueville10.30 km²100% commune
- Bretteville-sur-Ay10.24 km²100% commune
- Gatteville-le-Phare10.14 km²100% commune
- Gréville-Hague10.04 km²100% commune
- Sainte-Croix-Hague10.03 km²100% commune
- Besneville9.70 km²53% commune
- Digosville9.51 km²100% commune
- Surtainville9.36 km²63% commune
- Brillevast9.29 km²100% commune
- Biville9.08 km²100% commune
- Ravenoville8.79 km²75% commune
- Saint-Martin-de-Varreville8.55 km²100% commune
- Benoîtville8.55 km²100% commune
- Flamanville8.37 km²100% commune
- Saint-Rémy-des-Landes8.29 km²100% commune
- Théville8.20 km²100% commune
- Digulleville8.19 km²100% commune
- Virandeville8.19 km²100% commune
- Surville8.18 km²100% commune
- Saint-Pierre-Église8.09 km²100% commune
- Beaumont-Hague8.06 km²100% commune
- Bricquebosq8.02 km²100% commune
- Couville7.99 km²90% commune
- Lestre7.85 km²100% commune
- Sideville7.61 km²100% commune
- Octeville-l'Avenel7.42 km²100% commune
- Tamerville7.36 km²40% commune
- Denneville7.35 km²87% commune
- Crasville7.34 km²100% commune
- La Haye-d'Ectot7.28 km²100% commune
- Grosville7.22 km²54% commune
- Montgardon6.99 km²53% commune
- Carneville6.98 km²100% commune
- La Pernelle6.88 km²100% commune
- Valcanville6.72 km²100% commune
- Saint-Germain-des-Vaux6.65 km²100% commune
- Saint-Vaast-la-Hougue6.59 km²100% commune
- Baubigny6.46 km²98% commune
- Sotteville6.45 km²100% commune
- Clitourps6.45 km²100% commune
- Audouville-la-Hubert6.42 km²100% commune
- Anneville-en-Saire6.38 km²100% commune
- Saint-Germain-le-Gaillard6.25 km²45% commune
- Bretteville6.14 km²100% commune
- Omonville-la-Petite6.05 km²100% commune
- Helleville5.95 km²100% commune
- Saint-Maurice-en-Cotentin5.92 km²77% commune
- Siouville-Hague5.86 km²100% commune
- Querqueville5.85 km²100% commune
- Le Rozel5.75 km²100% commune
- Saint-Germain-de-Varreville5.73 km²100% commune
- Acqueville5.70 km²100% commune
- Tocqueville5.68 km²100% commune
- Montfarville5.65 km²100% commune
- Fontenay-sur-Mer5.64 km²69% commune
- Turqueville5.51 km²100% commune
- Foucarville5.46 km²100% commune
- Sainte-Geneviève5.16 km²100% commune
- Canville-la-Rocque4.98 km²89% commune
- Auderville4.77 km²100% commune
- Quinéville4.59 km²100% commune
- Glatigny4.58 km²100% commune
- Le Vicel4.41 km²100% commune
- Varouville4.38 km²100% commune
- Omonville-la-Rogue4.29 km²100% commune
- Canteloup4.03 km²100% commune
- Tonneville3.94 km²100% commune
- Saint-Christophe-du-Foc3.78 km²100% commune
- Saint-Georges-de-la-Rivière3.65 km²100% commune
- Brucheville3.65 km²24% commune
- Morsalines3.64 km²100% commune
- Maupertus-sur-Mer3.61 km²100% commune
- Nouainville3.58 km²100% commune
- Saint-Martin-d'Audouville3.57 km²100% commune
- Tollevast3.47 km²28% commune
- Néville-sur-Mer3.38 km²100% commune
- Le Mesnil3.26 km²100% commune
- Baudreville3.10 km²65% commune
- Réthoville3.05 km²100% commune
- Herqueville3.05 km²100% commune
- Écoquenéauville2.99 km²87% commune
- Vaudreville2.94 km²98% commune
- Sébeville2.92 km²100% commune
- Saussemesnil2.88 km²13% commune
- Gouberville2.69 km²100% commune
- Breuville2.65 km²31% commune
- Aumeville-Lestre2.58 km²100% commune
- Videcosville2.39 km²100% commune
- Pierreville2.31 km²23% commune
- Éculleville2.31 km²100% commune
- Beuzeville-au-Plain2.29 km²97% commune
- Bolleville2.14 km²34% commune
- Branville-Hague2.11 km²100% commune
- Brix2.04 km²6% commune
- Sortosville-en-Beaumont1.91 km²17% commune
- Ozeville1.67 km²35% commune
- Hardinvast1.66 km²24% commune
- Sainte-Mère-Église1.61 km²9% commune
- Boutteville1.59 km²100% commune
- Montebourg0.85 km²15% commune
- Fierville-les-Mines0.75 km²10% commune
- Carquebut0.72 km²9% commune
- Saint-Pierre-d'Arthéglise0.49 km²10% commune
- Barfleur0.42 km²100% commune
- Huberville0.41 km²7% commune
- Saint-Symphorien-le-Valois0.39 km²6% commune
- Sénoville0.38 km²5% commune
- Blosville0.38 km²9% commune
- Hiesville0.36 km²8% commune
- Rauville-la-Bigot0.25 km²1% commune
- Saint-Nicolas-de-Pierrepont0.07 km²1% commune
- Azeville0.05 km²2% commune
- Neuville-en-Beaumont0.00 km²0% commune
- Saint-Sauveur-de-Pierrepont0.00 km²0% commune
30 intersecting protected areas
Regional Nature Park
145.52 km² overlap
Basses Vallées du Cotentin et Baie des Veys
IUCN Not ReportedSpecial Protection Area (Birds Directive)
44.03 km² overlap
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
43.52 km² overlap
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedMarine Protected Area (OSPAR)
41.71 km² overlap
Marais du Cotentin et du Bessin, Baie des Veys
IUCN Not ReportedWetland of International Importance (Ramsar Site)
38.99 km² overlap
Landes et dunes de la Hague
IUCN Not ReportedSpecial Protection Area (Birds Directive)
32.17 km² overlap
Récifs et landes de la Hague
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
24.72 km² overlap
Littoral ouest du Cotentin de Saint-Germain-sur-Ay au Rozel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21.15 km² overlap
Coastal National Park
IUCN Not ReportedNational Park
19.82 km² overlap
21 more protected areassorted by overlap area
Jersey Coast
IUCN Not ReportedMarine Protected Area (OSPAR)
16.69 km² overlap
Récifs et marais arrière-littoraux du Cap Lévi à la Pointe de Saire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.29 km² overlap
Récifs et marais arrière-littoraux du Cap Lévi à la Pointe de Saire
IUCN Not ReportedMarine Protected Area (OSPAR)
12.27 km² overlap
Massif dunaire de Héauville à Vauville
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.43 km² overlap
Dunes d\'hatainville
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
4.57 km² overlap
Domaine De Beauguillot
IUCN IVNational Nature Reserve
4.33 km² overlap
Havre de Saint-Germain-sur-Ay et Landes de Lessay
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.16 km² overlap
Tatihou - Saint-Vaast-la-Hougue
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.16 km² overlap
4.2 Cliffs
IUCN Not ApplicableSites of Special Significance
3.62 km² overlap
Wetland of International Importance (Ramsar Site)
3.52 km² overlap
Dunes de biville
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
3.48 km² overlap
South East Coast of Jersey, Channel Islands
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3.37 km² overlap
Domaine de Beauguillot
IUCN Not ReportedMarine Protected Area (OSPAR)
3.30 km² overlap
Tatihou - Saint-Vaast-la-Hougue
IUCN Not ReportedMarine Protected Area (OSPAR)
3.29 km² overlap
Alderney West Coast and the Burhou Islands
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3.25 km² overlap
Pointe du brick
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2.96 km² overlap
Havre de surville
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2.65 km² overlap
Beauguillot
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2.42 km² overlap
Dunes de vauville
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2.33 km² overlap
Lihou Island and L`Erée Headland
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2.10 km² overlap
Pointe de la hague
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
2.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 371 distinct species · 319 614 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de la Divette : 14 espèces reliées par 149 interactions GloBI sur 6 types (connectance 15.1%, filtre Serrano α=0.2). 31 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,3°C
Annual rain
875mm
Moisture idx (CMI)
0,24
Runoff
650mm/an
PET
661mm
AET
525mm
Mean slope
2,5°
Water table
155cm
Forest
11%
Crops
40%
Urban
13%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)