Ontologia

HydroBASINS lev08 watershed · #2080589630

Bassin de Río Ulla

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 : A Coruña, Pontevedra

5% lakePfafstetter: 23190405

Sub-basin area

271,9km²

Upstream area

1 436,3km²

Discharge

41,1m³/s

Mean elev.

292m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

1 042 distinct species · 7 187 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 187 obs · 7 cellules
Obs. / cellule
≥ 3 451
3 451–3 450
739–3 450
614–738
< 614

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

Ecological tissue

Sample of 44 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 Río Ulla : 37 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 6 types (connectance 10.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
103
Connectance
0.109
Patrimoniales
3
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°

13,5°C

Annual rain

1 295mm

Moisture idx (CMI)

0,34

Runoff

1 027mm/an

PET

856mm

AET

685mm

Mean slope

6,8°

Water table

315cm

Forest

96%

Crops

3%

Urban

1%

Protected

0%

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