HydroBASINS lev08 watershed · #2080580580
Bassin de la Baïse
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 : Pyrénées-Atlantiques
Sub-basin area
168,7km²
Upstream area
168,7km²
Discharge
4,25m³/s
Mean elev.
234m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 169.0 km²100.0% of basin
23 communes (GADM L5)Available for FRA, RWA
- Monein56.95 km²70% commune
- Lasseube45.97 km²93% commune
- Aubertin12.61 km²72% commune
- Arbus7.33 km²52% commune
- Lasseubetat6.88 km²100% commune
- Parbayse6.52 km²100% commune
- Gan6.26 km²16% commune
- Abos5.18 km²58% commune
- Pardies3.15 km²52% commune
- Ogeu-les-Bains3.01 km²13% commune
- Lacommande2.92 km²100% commune
- Cuqueron2.82 km²100% commune
- Mourenx2.55 km²42% commune
- Os-Marsillon1.94 km²35% commune
- Noguères1.36 km²64% commune
- Estialescq1.13 km²23% commune
- Saint-Faust1.06 km²8% commune
- Abidos0.66 km²23% commune
- Buziet0.27 km²3% commune
- Lahourcade0.26 km²2% commune
- Artiguelouve0.10 km²1% commune
- Goès0.04 km²1% commune
- Escou0.00 km²0% commune
2 intersecting protected areas
Gave de Pau
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.57 km² overlap
lande de courneres nord
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 069 distinct species · 37 263 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Baïse : 23 espèces reliées par 129 interactions GloBI sur 5 types (connectance 20.5%, filtre Serrano α=0.2). 13 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°
12,3°C
Annual rain
923mm
Moisture idx (CMI)
-0,04
Runoff
784mm/an
PET
964mm
AET
707mm
Mean slope
6,5°
Water table
253cm
Forest
45%
Crops
8%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)