HydroBASINS lev08 watershed · #6080009760
Bassin de Rio Magu
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 11 administrative regions : Araioses, Bom Princípio do Piauí, Buriti dos Lopes, Ilha Grande, Luís Correia +6
Sub-basin area
2 712,7km²
Upstream area
332 986,5km²
Discharge
993,2m³/s
Mean elev.
49m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Rio Pirangi1362 km²
- Bassin de Rio Parnaíba50 km²
11 dept-equivalent regions (GADM L2)
- 923.1 km²34.2% of basin
- 460.4 km²17.0% of basin
- 406.7 km²15.1% of basin
- 344.8 km²12.8% of basin
- 160.7 km²5.9% of basin
- 141.7 km²5.2% of basin
- 99.9 km²3.7% of basin
- 76.4 km²2.8% of basin
3 moreFull L2 list
- Buriti dos Lopes44.5 km² · 1.6%
- Tutóia41.6 km² · 1.5%
- Magalhães de Almeida0.9 km² · 0.0%
6 intersecting protected areas
Wetland of International Importance (Ramsar Site)
264.09 km² overlap
Environmental Protection Area
255.54 km² overlap
Área De Proteção Ambiental Da Foz Do Rio Das Preguiças - Pequenos Lençóis - Região Lagunar Adjacente
IUCN VEnvironmental Protection Area
76.09 km² overlap
Area of Relevant Ecological Interest
37.27 km² overlap
Extractive Reserve
14.88 km² overlap
Environmental Protection Area
0.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
684 distinct species · 2 063 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Magu : 27 espèces reliées par 52 interactions GloBI sur 5 types (connectance 6.7%, filtre Serrano α=0.2). 13 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°
27,1°C
Annual rain
1 365mm
Moisture idx (CMI)
-0,21
Runoff
645mm/an
PET
1 723mm
AET
964mm
Mean slope
0,9°
Water table
131cm
Forest
18%
Crops
9%
Urban
2%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)