HydroBASINS lev08 watershed · #6080011660
Bassin de Rio Niquim
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 4 administrative regions : Barra de São Miguel, Marechal Deodoro, Roteiro, São Miguel dos Campos
Sub-basin area
180,2km²
Upstream area
180,2km²
Discharge
0,77m³/s
Mean elev.
74m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 70.0 km²39.0% of basin
- 56.4 km²31.5% of basin
- 47.9 km²26.7% of basin
- 0.0 km²0.0% of basin
14 intersecting protected areas
Natural Heritage Private Reserve
6.36 km² overlap
Environmental Protection Area
4.17 km² overlap
Natural Heritage Private Reserve
1.10 km² overlap
Natural Heritage Private Reserve
0.78 km² overlap
Natural Heritage Private Reserve
0.66 km² overlap
Natural Heritage Private Reserve
0.49 km² overlap
Natural Heritage Private Reserve
0.48 km² overlap
Natural Heritage Private Reserve
0.45 km² overlap
Natural Heritage Private Reserve
0.39 km² overlap
5 more protected areassorted by overlap area
Natural Heritage Private Reserve
0.16 km² overlap
Natural Heritage Private Reserve
0.15 km² overlap
Natural Heritage Private Reserve
0.14 km² overlap
Natural Heritage Private Reserve
0.05 km² overlap
Natural Heritage Private Reserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
560 distinct species · 2 467 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Niquim : 21 espèces reliées par 27 interactions GloBI sur 3 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°
24,6°C
Annual rain
1 577mm
Moisture idx (CMI)
0,12
Runoff
684mm/an
PET
1 383mm
AET
1 001mm
Mean slope
1,8°
Water table
281cm
Forest
10%
Crops
41%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)