Ontologia

HydroBASINS lev08 watershed · #2080613160

Bassin de Riu de Bitlles

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 : Barcelona, Lleida, Tarragona

Pfafstetter: 21603802

Sub-basin area

926,8km²

Upstream area

926,8km²

Discharge

4,25m³/s

Mean elev.

458m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

22 intersecting protected areas

13 more protected areas

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

Species present

4 451 distinct species · 118 686 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

118 686 obs · 28 cellules
Obs. / cellule
≥ 10 895
10 002–10 894
4 203–10 001
2 958–4 202
< 2 958

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

Ecological tissue

Sample of 38 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 Riu de Bitlles : 24 espèces reliées par 131 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
131
Connectance
0.168
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°

14,0°C

Annual rain

651mm

Moisture idx (CMI)

-0,28

Runoff

145mm/an

PET

900mm

AET

554mm

Mean slope

7,0°

Water table

411cm

Forest

26%

Crops

39%

Urban

10%

Protected

13%

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