HydroBASINS lev08 watershed · #6080010940
Bassin de Rio Ceará-Mirim
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 18 administrative regions : Angicos, Bento Fernandes, Caiçara do Rio do Vento, Ceará-Mirim, Cerro Corá +13
Sub-basin area
2 640,7km²
Upstream area
2 640,7km²
Discharge
6,6m³/s
Mean elev.
161m
Administrative coverage
18 dept-equivalent regions (GADM L2)
- 600.1 km²22.8% of basin
- 307.5 km²11.7% of basin
- 285.3 km²10.9% of basin
- 256.3 km²9.7% of basin
- 249.6 km²9.5% of basin
- 238.0 km²9.1% of basin
- Pedra Preta219.3 km²8.3% of basin
- 194.6 km²7.4% of basin
10 moreFull L2 list
- Poço Branco136.1 km² · 5.2%
- Extremoz56.8 km² · 2.2%
- Riachuelo43.7 km² · 1.7%
- Pedro Avelino20.6 km² · 0.8%
- Fernando Pedroza13.4 km² · 0.5%
- Angicos3.6 km² · 0.1%
- Ruy Barbosa1.8 km² · 0.1%
- Santa Maria1.2 km² · 0.0%
- São Tomé0.9 km² · 0.0%
- Cerro Corá0.4 km² · 0.0%
3 intersecting protected areas
Natural Heritage Private Reserve
0.57 km² overlap
Park
0.00 km² overlap
Environmental Protection Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
956 distinct species · 24 572 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Ceará-Mirim : 26 espèces reliées par 39 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 6 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°
25,0°C
Annual rain
650mm
Moisture idx (CMI)
-0,59
Runoff
128mm/an
PET
1 572mm
AET
543mm
Mean slope
2,2°
Water table
204cm
Forest
3%
Crops
15%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)