HydroBASINS lev08 watershed · #2080612770
Bassin de Rio Tua
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 1 administrative regions : Mirandela
Sub-basin area
7,3km²
Upstream area
2 568,4km²
Discharge
37,92m³/s
Mean elev.
277m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Rabaçal1430 km²
- Bassin de Rio Tua108 km²
1 dept-equivalent regions (GADM L2)
- MirandelaBragança · Portugal7.3 km²100.0% of basin
1 intersecting protected areas
Vale do Tua
IUCN VRegional Natural Park
0.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
987 distinct species · 7 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Rio Tua : 28 espèces reliées par 87 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
14,4°C
Annual rain
795mm
Moisture idx (CMI)
-0,28
Runoff
379mm/an
PET
1 107mm
AET
631mm
Mean slope
4,5°
Water table
248cm
Forest
0%
Crops
46%
Urban
14%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)