HydroBASINS lev08 watershed · #2080596480

Bassin de el Segre

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 4 administrative regions across 2 countries : Barcelona, Girona, Lleida, Pyrénées-Orientales

Pfafstetter: 21604297

Sub-basin area

745,9km²

Upstream area

1 282,4km²

Discharge

9,91m³/s

Mean elev.

1 577m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de el Segre946 km²

▲ Receives from 2 basins

Bassin de el Segre375 km²
Bassin de Sèquia de la Solana161 km²

4 dept-equivalent regions (GADM L2)

Lleida
Cataluña · Spain
539.8 km²
72.3% of basin
Girona
Cataluña · Spain
190.9 km²
25.5% of basin
Barcelona
Cataluña · Spain
5.9 km²
0.8% of basin
Pyrénées-Orientales
Occitanie · France
3.3 km²
0.4% of basin

4 communes (GADM L5)Available for FRA, RWA

Palau-de-Cerdagne
Pyrénées-Orientales
2.39 km²20% commune
Porta
Pyrénées-Orientales
0.46 km²1% commune
Osséja
Pyrénées-Orientales
0.46 km²3% commune
Latour-de-Carol
Pyrénées-Orientales
0.02 km²0% commune

28 intersecting protected areas

Prepirineu Central català
IUCN Not Reported
Special Protection Area (Birds Directive)
151.37 km² overlap
Prepirineu Central català
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
151.37 km² overlap
Serres del Cadí-Moixeró
IUCN V
Protection Plan
151.37 km² overlap
Cadí-Moixeró
IUCN V
Natural Park
151.37 km² overlap
Tossa Plana de Lles-Puigpedrós
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
123.31 km² overlap
Tossa Plana de Lles-Puigpedrós
IUCN Not Reported
Special Protection Area (Birds Directive)
123.31 km² overlap
Tossa Plana de Lles-Puigpedrós
IUCN V
Protection Plan
122.83 km² overlap
Beneïdor
IUCN V
Protection Plan
4.17 km² overlap
Beneïdor
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.17 km² overlap

19 more protected areassorted by overlap area

Beneïdor
IUCN Not Reported
Special Protection Area (Birds Directive)
4.17 km² overlap
Tossals d`Isòvol i Olopte
IUCN V
Protection Plan
3.30 km² overlap
Pyrénées Catalanes
IUCN V
Regional Nature Park
3.10 km² overlap
Riberes de l`Alt Segre
IUCN V
Protection Plan
2.17 km² overlap
Riberes de l'Alt Segre
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
2.17 km² overlap
Riu Duran
IUCN V
Protection Plan
1.03 km² overlap
Riu Duran
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.03 km² overlap
Vall de Madriu-Perafita-Claror
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
0.92 km² overlap
La Llosa
IUCN IV
Nature Reserve (Parcial)
0.84 km² overlap
Riu de la Llosa
IUCN V
Protection Plan
0.84 km² overlap
Riu de la Llosa
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.84 km² overlap
Riu Verneda
IUCN V
Protection Plan
0.76 km² overlap
Riu Verneda
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.76 km² overlap
Segre-Prullans
IUCN IV
Nature Reserve (Parcial)
0.44 km² overlap
Capcir-Carlit-Campcardos
IUCN Not Reported
Special Protection Area (Birds Directive)
0.36 km² overlap
Capcir, Carlit et Campcardos
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.36 km² overlap
Puigmal-Carança
IUCN Not Reported
Special Protection Area (Birds Directive)
0.18 km² overlap
Massif du Puigmal
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.18 km² overlap
Segre-Isòvol
IUCN IV
Nature Reserve (Parcial)
0.10 km² overlap

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

Species present

6 467 distinct species · 216 738 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de el Segre : 29 espèces + 7 bulles famille, 66 interactions GloBI documentées sur 5 types (connectance 10.5%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées

Interactions affichées

Connectance

0.105

Patrimoniales

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°

6,8°C

Annual rain

1 076mm

Moisture idx (CMI)

0,31

Runoff

283mm/an

PET

708mm

AET

646mm

Mean slope

17,2°

Water table

608cm

Forest

76%

Crops

Urban

Protected

38%

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