HydroBASINS lev08 watershed · #2080443000
Bassin de l'Aisne
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 2 administrative regions : Aisne, Ardennes
Sub-basin area
40,2km²
Upstream area
3 829,8km²
Discharge
32,74m³/s
Mean elev.
82m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 37.4 km²92.6% of basin
- 3.0 km²7.4% of basin
11 communes (GADM L5)Available for FRA, RWA
- Asfeld15.29 km²70% commune
- Avaux11.44 km²86% commune
- Vieux-lès-Asfeld6.92 km²100% commune
- Évergnicourt2.57 km²28% commune
- Brienne-sur-Aisne1.96 km²16% commune
- Houdilcourt0.88 km²8% commune
- Sault-Saint-Remy0.61 km²6% commune
- Proviseux-et-Plesnoy0.43 km²4% commune
- Poilcourt-Sydney0.11 km²1% commune
- Aire0.08 km²1% commune
- Villers-devant-le-Thour0.08 km²0% commune
1 intersecting protected areas
Vallée de l'Aisne en aval de Château Porcien
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 464 distinct species · 9 653 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'Aisne : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 6 types (connectance 12.4%, filtre Serrano α=0.2). 9 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°
10,2°C
Annual rain
673mm
Moisture idx (CMI)
-0,18
Runoff
233mm/an
PET
817mm
AET
558mm
Mean slope
1,6°
Water table
129cm
Forest
0%
Crops
73%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)