Ontologia

HydroBASINS lev08 watershed · #2080016830

Bassin de la Têt

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 across 2 countries : Aude, Girona, Pyrénées-Orientales

Pfafstetter: 21603504

Sub-basin area

1 400,6km²

Upstream area

1 400,6km²

Discharge

21,01m³/s

Mean elev.

980m

Administrative coverage

3 dept-equivalent regions (GADM L2)

123 communes (GADM L5)

30 intersecting protected areas

21 more protected areas

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

Species present

13 413 distinct species · 940 256 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

940 256 obs · 40 cellules
Obs. / cellule
≥ 66 075
41 836–66 074
28 285–41 835
22 349–28 284
< 22 349

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de la Têt : 28 espèces + 8 bulles famille, 85 interactions GloBI documentées sur 5 types (connectance 13.5%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
36
Interactions affichées
85
Connectance
0.135
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°

10,1°C

Annual rain

913mm

Moisture idx (CMI)

0,07

Runoff

443mm/an

PET

808mm

AET

616mm

Mean slope

14,8°

Water table

494cm

Forest

75%

Crops

8%

Urban

10%

Protected

50%

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