HydroBASINS lev08 watershed · #2080579000
Bassin de la Nive
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 across 2 countries : Navarra, Pyrénées-Atlantiques
Sub-basin area
998,8km²
Upstream area
998,8km²
Discharge
29,89m³/s
Mean elev.
461m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 871.6 km²87.1% of basin
- 129.0 km²12.9% of basin
61 communes (GADM L5)Available for FRA, RWA
- Saint-Étienne-de-Baïgorry69.96 km²100% commune
- Banca50.09 km²100% commune
- Estérençuby45.64 km²100% commune
- Ossès42.50 km²100% commune
- Bidarray40.03 km²100% commune
- Itxassou38.83 km²99% commune
- Lecumberry35.37 km²60% commune
- Mendive34.50 km²83% commune
- Ustaritz30.99 km²93% commune
- Saint-Michel29.79 km²99% commune
- Urepel26.54 km²100% commune
- Irissarry26.18 km²100% commune
- Aldudes22.78 km²98% commune
- Cambo-les-Bains22.45 km²97% commune
- Espelette22.33 km²82% commune
- Arnéguy21.03 km²99% commune
- Saint-Martin-d'Arrossa18.30 km²100% commune
- Macaye16.13 km²84% commune
- Villefranque15.86 km²94% commune
- Lasse14.64 km²100% commune
- Ahaxe-Alciette-Bascassan14.50 km²100% commune
- Béhorléguy12.62 km²63% commune
- Anhaux12.56 km²100% commune
- Suhescun12.24 km²98% commune
- Uhart-Cize12.05 km²100% commune
- Saint-Jean-le-Vieux12.04 km²100% commune
- Jaxu11.10 km²100% commune
- Souraïde10.84 km²65% commune
- Larressore10.53 km²100% commune
- Irouléguy9.29 km²100% commune
- Bussunarits-Sarrasquette8.88 km²74% commune
- Jatxou8.54 km²60% commune
- Ainhice-Mongelos8.40 km²84% commune
- Ispoure7.79 km²100% commune
- Hasparren7.64 km²10% commune
- Louhossoa7.21 km²100% commune
- Alçay-Alçabéhéty-Sunharette6.87 km²20% commune
- Gamarthe6.52 km²62% commune
- Aincille6.37 km²100% commune
- Ascarat6.24 km²100% commune
- Bassussarry6.23 km²97% commune
- Bustince-Iriberry5.38 km²100% commune
- Hélette5.32 km²23% commune
- Saint-Pierre-d'Irube5.06 km²66% commune
- Halsou4.98 km²87% commune
- Arcangues4.97 km²28% commune
- Lacarre4.66 km²100% commune
- Bayonne4.64 km²18% commune
- Caro3.89 km²100% commune
- Saint-Jean-Pied-de-Port2.41 km²100% commune
- Mendionde2.32 km²11% commune
- Saint-Pée-sur-Nivelle1.93 km²3% commune
- Iholdy1.43 km²6% commune
- Anglet0.88 km²3% commune
- Aussurucq0.50 km²1% commune
- Larrau0.30 km²0% commune
- Ibarrolle0.18 km²2% commune
- Mouguerre0.12 km²1% commune
- Lantabat0.11 km²0% commune
- Lacarry-Arhan-Charritte-de-Haut0.07 km²0% commune
- Larceveau-Arros-Cibits0.02 km²0% commune
28 intersecting protected areas
Montagnes des Aldudes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
184.14 km² overlap
Vallée de la Nive des Aldudes, Col de Lindux
IUCN Not ReportedSpecial Protection Area (Birds Directive)
147.14 km² overlap
Montagnes de Saint-Jean-Pied-de-Port
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
114.56 km² overlap
La Nive
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
93.97 km² overlap
Haute Cize : Pic d'Herrozate et forêt d'Orion
IUCN Not ReportedSpecial Protection Area (Birds Directive)
50.84 km² overlap
Aritzakun-Urritzate-Gorramendi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
44.59 km² overlap
Aritzakun-Urritzate-Gorramendi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
44.59 km² overlap
Massif du Mondarrain et de l'Artzamendi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
42.51 km² overlap
Massif du Baygoura
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
30.43 km² overlap
19 more protected areassorted by overlap area
Monte Alduide
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
29.47 km² overlap
Massif des Arbailles
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
25.57 km² overlap
Roncesvalles-Selva de Irati
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
23.42 km² overlap
Roncesvalles-Selva de Irati
IUCN Not ReportedSpecial Protection Area (Birds Directive)
23.42 km² overlap
Haute Soule : forêt d'Iraty, Orgambidexka et Pic des Escaliers
IUCN Not ReportedSpecial Protection Area (Birds Directive)
16.75 km² overlap
Montagnes du Pic des Escaliers
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.09 km² overlap
Forêt d'Iraty
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.87 km² overlap
Irubetakaskoa
IUCN IVNature Reserve
1.16 km² overlap
Mendilaz
IUCN IVNature Reserve
1.16 km² overlap
Itxusi
IUCN IVNature Reserve
1.14 km² overlap
L'Ardanavy (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.16 km² overlap
Étang De Chourroumillas
IUCN IVRegional Nature Reserve
0.08 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
La Bidouze (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Haute Soule : forêt des Arbailles
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.01 km² overlap
barthe de urdains
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Le Saison (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
La Joyeuse (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
petexaenea
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 258 distinct species · 272 113 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Nive : 20 espèces reliées par 103 interactions GloBI sur 6 types (connectance 18.4%, filtre Serrano α=0.2). 14 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°
11,6°C
Annual rain
1 206mm
Moisture idx (CMI)
0,26
Runoff
931mm/an
PET
894mm
AET
749mm
Mean slope
14,9°
Water table
445cm
Forest
49%
Crops
4%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)