HydroBASINS lev08 watershed · #2080441910
Bassin de l'Oise
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 3 administrative regions : Aisne, Oise, Somme
Sub-basin area
491,3km²
Upstream area
4 416,4km²
Discharge
33,64m³/s
Mean elev.
80m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de l'Ailette544 km²
- Bassin de l'Oise247 km²
3 dept-equivalent regions (GADM L2)
- 422.0 km²85.6% of basin
- 70.4 km²14.3% of basin
- 0.6 km²0.1% of basin
96 communes (GADM L5)Available for FRA, RWA
- Guiscard20.85 km²99% commune
- Carlepont19.08 km²100% commune
- Noyon18.10 km²100% commune
- Lassigny15.58 km²94% commune
- Tracy-le-Mont14.55 km²75% commune
- Chiry-Ourscamp13.14 km²100% commune
- Ribécourt-Dreslincourt13.00 km²100% commune
- Thiescourt12.79 km²99% commune
- Crisolles11.07 km²100% commune
- Cuts10.53 km²100% commune
- Lagny10.48 km²100% commune
- Camelin9.53 km²100% commune
- Pimprez9.51 km²100% commune
- Blérancourt9.26 km²87% commune
- Varesnes9.19 km²100% commune
- Dives8.51 km²100% commune
- Quierzy8.26 km²100% commune
- Candor8.24 km²94% commune
- Marest-Dampcourt8.19 km²100% commune
- Salency8.14 km²100% commune
- Cannectancourt7.52 km²97% commune
- Grandrû7.48 km²100% commune
- Babœuf7.22 km²100% commune
- Guivry7.21 km²97% commune
- Caillouël-Crépigny7.00 km²100% commune
- Beaulieu-les-Fontaines6.83 km²53% commune
- Pontoise-lès-Noyon6.81 km²100% commune
- Catigny6.78 km²100% commune
- Plessis-de-Roye6.42 km²96% commune
- Caisnes6.42 km²100% commune
- Nampcel6.37 km²37% commune
- Saint-Léger-aux-Bois6.23 km²76% commune
- Manicamp6.22 km²59% commune
- Ville6.09 km²100% commune
- Cambronne-lès-Ribécourt5.88 km²83% commune
- Écuvilly5.78 km²100% commune
- Moulin-sous-Touvent5.44 km²30% commune
- Berlancourt5.39 km²74% commune
- Muirancourt5.26 km²100% commune
- Brétigny5.21 km²100% commune
- Béhéricourt5.20 km²100% commune
- Genvry5.11 km²100% commune
- Sermaize5.10 km²100% commune
- Suzoy5.07 km²100% commune
- Frétoy-le-Château5.05 km²98% commune
- Cuy4.58 km²100% commune
- Tracy-le-Val4.54 km²100% commune
- Campagne4.45 km²100% commune
- Quesmy4.38 km²100% commune
- Sempigny4.25 km²100% commune
- Appilly4.22 km²100% commune
- Bailly4.17 km²100% commune
- Passel4.11 km²100% commune
- Bussy4.05 km²100% commune
- Porquéricourt4.02 km²100% commune
- Beaugies-sous-Bois3.82 km²100% commune
- Montmacq3.77 km²50% commune
- Béthancourt-en-Vaux3.72 km²86% commune
- Beaurains-lès-Noyon3.61 km²100% commune
- Morlincourt3.40 km²100% commune
- Mondescourt3.28 km²100% commune
- Maucourt3.12 km²100% commune
- Bourguignon-sous-Coucy2.80 km²100% commune
- Évricourt2.73 km²100% commune
- Fréniches2.67 km²47% commune
- Abbécourt2.59 km²44% commune
- Besmé2.56 km²94% commune
- Vauchelles2.38 km²100% commune
- Larbroye2.11 km²100% commune
- Villeselve2.03 km²30% commune
- Le Plessis-Patte-d'Oie1.94 km²76% commune
- Machemont1.74 km²28% commune
- Neuflieux1.57 km²81% commune
- Gury1.49 km²29% commune
- Avricourt1.35 km²19% commune
- Pont-l'Évêque0.96 km²100% commune
- Élincourt-Sainte-Marguerite0.94 km²8% commune
- Saint-Crépin-aux-Bois0.57 km²4% commune
- Ercheu0.56 km²4% commune
- Libermont0.53 km²5% commune
- Beaumont-en-Beine0.52 km²10% commune
- Mareuil-la-Motte0.50 km²6% commune
- Flavy-le-Meldeux0.49 km²16% commune
- Canny-sur-Matz0.26 km²4% commune
- Saint-Aubin0.22 km²3% commune
- Saint-Paul-aux-Bois0.20 km²2% commune
- Audignicourt0.16 km²3% commune
- Commenchon0.12 km²4% commune
- La Neuville-en-Beine0.09 km²3% commune
- Ugny-le-Gay0.05 km²1% commune
- Caumont0.04 km²1% commune
- Ognolles0.04 km²1% commune
- Golancourt0.03 km²1% commune
- Chevincourt0.03 km²0% commune
- Vassens0.03 km²0% commune
- Amy0.00 km²0% commune
14 intersecting protected areas
Forêts picardes : Compiègne, Laigue, Ourscamps
IUCN Not ReportedSpecial Protection Area (Birds Directive)
50.55 km² overlap
Moyenne vallée de l'Oise
IUCN Not ReportedSpecial Protection Area (Birds Directive)
29.83 km² overlap
Prairies alluviales de l'Oise de la Fère à Sempigny
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.18 km² overlap
Land acquired by a regional conservatory of natural areas
0.93 km² overlap
Land acquired by a regional conservatory of natural areas
0.82 km² overlap
les prairies de quierzy
IUCN IVLand acquired by a regional conservatory of natural areas
0.26 km² overlap
les pres oins
IUCN IVLand acquired by a regional conservatory of natural areas
0.16 km² overlap
Land acquired by a regional conservatory of natural areas
0.14 km² overlap
Land acquired by a regional conservatory of natural areas
0.13 km² overlap
5 more protected areassorted by overlap area
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
Massif forestier de Compiègne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.08 km² overlap
les pres d heronval
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
la grande pature d appilly
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
les prairies de morlincourt
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 036 distinct species · 139 625 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 l'Oise : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 6 types (connectance 13.8%, filtre Serrano α=0.2). 11 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°
10,1°C
Annual rain
631mm
Moisture idx (CMI)
-0,20
Runoff
272mm/an
PET
786mm
AET
530mm
Mean slope
2,4°
Water table
151cm
Forest
18%
Crops
48%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)