HydroBASINS lev08 watershed · #6080014890
Bassin de Rio Piçarras
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 7 administrative regions : Araquari, Balneário Piçarras, Barra Velha, Itajaí, Navegantes +2
Sub-basin area
208,7km²
Upstream area
208,7km²
Discharge
5,87m³/s
Mean elev.
27m
Administrative coverage
7 dept-equivalent regions (GADM L2)
- 79.4 km²38.1% of basin
- 46.1 km²22.1% of basin
- 42.8 km²20.5% of basin
- 23.8 km²11.4% of basin
- 0.1 km²0.1% of basin
- 0.0 km²0.0% of basin
- 0.0 km²0.0% of basin
3 intersecting protected areas
Park
1.08 km² overlap
Park
0.75 km² overlap
Park
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 624 distinct species · 16 773 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Piçarras : 25 espèces reliées par 51 interactions GloBI sur 6 types (connectance 8.6%, filtre Serrano α=0.2). 10 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°
20,4°C
Annual rain
1 640mm
Moisture idx (CMI)
0,22
Runoff
888mm/an
PET
1 285mm
AET
1 250mm
Mean slope
3,5°
Water table
128cm
Forest
11%
Crops
8%
Urban
32%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)