Ontologia

HydroBASINS lev08 watershed · #1080748730

Bassin de Nazinon

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 : Bazèga, Ziro

Pfafstetter: 14448030

Sub-basin area

1 230,5km²

Upstream area

5 212,6km²

Discharge

4,68m³/s

Mean elev.

319m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

3 intersecting protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

129 distinct species · 159 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

160 obs · 11 cellules
Obs. / cellule
≥ 110
28–109
3–27
2–2
< 2

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 5 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Nazinon : 4 espèces + 1 bulle famille, 4 interactions GloBI documentées sur 1 type (connectance 40.0%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
5
Interactions affichées
4
Connectance
0.400
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

27,7°C

Annual rain

819mm

Moisture idx (CMI)

-0,58

Runoff

61mm/an

PET

1 972mm

AET

691mm

Mean slope

0,6°

Water table

136cm

Forest

0%

Crops

11%

Urban

2%

Protected

25%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)