HydroBASINS lev08 watershed · #6080008330
Bassin de Rio Marapanim
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 12 administrative regions : Castanhal, Curuçá, Igarapé-Açu, Magalhães Barata, Maracanã +7
Sub-basin area
2 111,8km²
Upstream area
2 111,9km²
Discharge
104,6m³/s
Mean elev.
35m
Administrative coverage
12 dept-equivalent regions (GADM L2)
- 576.3 km²27.4% of basin
- 446.4 km²21.2% of basin
- 378.7 km²18.0% of basin
- 204.8 km²9.7% of basin
- 169.3 km²8.1% of basin
- 145.6 km²6.9% of basin
- 64.7 km²3.1% of basin
- 57.2 km²2.7% of basin
4 moreFull L2 list
- Vigia26.6 km² · 1.3%
- Maracanã16.3 km² · 0.8%
- São Caetano de Odivelas13.8 km² · 0.7%
- Santa Izabel do Pará2.5 km² · 0.1%
3 intersecting protected areas
Wetland of International Importance (Ramsar Site)
125.58 km² overlap
Extractive Reserve
49.52 km² overlap
Extractive Reserve
42.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
671 distinct species · 2 861 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 Marapanim : 30 espèces reliées par 27 interactions GloBI sur 3 types (connectance 4.8%, filtre Serrano α=0.2). 4 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°
26,5°C
Annual rain
2 550mm
Moisture idx (CMI)
0,36
Runoff
1 609mm/an
PET
1 636mm
AET
1 320mm
Mean slope
1,1°
Water table
25cm
Forest
22%
Crops
12%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)