HydroBASINS lev08 watershed · #6080390910
Bassin de Rio Araçagi
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 23 administrative regions : Alagoa Grande, Alagoinha, Algodão de Jandaíra, Arara, Araçagi +18
Sub-basin area
1 268,9km²
Upstream area
1 268,9km²
Discharge
8,74m³/s
Mean elev.
354m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
23 dept-equivalent regions (GADM L2)
- 168.7 km²13.3% of basin
- 130.8 km²10.4% of basin
- 95.1 km²7.5% of basin
- 91.3 km²7.2% of basin
- 91.0 km²7.2% of basin
- 80.4 km²6.4% of basin
- 77.1 km²6.1% of basin
- 72.3 km²5.7% of basin
15 moreFull L2 list
- Pilões65.6 km² · 5.2%
- Serraria65.1 km² · 5.1%
- Esperança64.7 km² · 5.1%
- Alagoinha46.3 km² · 3.7%
- Cuitegi42.1 km² · 3.3%
- Pilõezinhos40.9 km² · 3.2%
- Casserengue28.8 km² · 2.3%
- Belém28.2 km² · 2.2%
- Borborema26.1 km² · 2.1%
- Areial19.3 km² · 1.5%
- Serra da Raiz12.0 km² · 0.9%
- Sertãozinho8.7 km² · 0.7%
- Alagoa Grande6.2 km² · 0.5%
- Algodão de Jandaíra1.8 km² · 0.1%
- Pocinhos1.0 km² · 0.1%
2 intersecting protected areas
Environmental Protection Area
58.44 km² overlap
Area of Relevant Ecological Interest
0.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 194 distinct species · 4 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Araçagi : 27 espèces reliées par 40 interactions GloBI sur 4 types (connectance 7.1%, filtre Serrano α=0.2). 7 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°
23,3°C
Annual rain
1 059mm
Moisture idx (CMI)
-0,32
Runoff
210mm/an
PET
1 567mm
AET
879mm
Mean slope
5,4°
Water table
333cm
Forest
1%
Crops
35%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)