HydroBASINS lev08 watershed · #6080876450
Bassin de Arroio do Marisco
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 3 administrative regions : Lagoa Mirim, Rio Grande, Santa Vitória do Palmar
Sub-basin area
1 103,2km²
Upstream area
1 103,2km²
Discharge
23,37m³/s
Mean elev.
4m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 537.5 km²48.8% of basin
- 458.7 km²41.6% of basin
- 106.3 km²9.6% of basin
3 intersecting protected areas
Estação Ecológica Do Taim
IUCN IaEcological Station
75.11 km² overlap
Wildlife Refuge
27.16 km² overlap
Taim Ecological Station
IUCN IaWetland of International Importance (Ramsar Site)
3.96 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
540 distinct species · 7 962 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Arroio do Marisco : 18 espèces reliées par 28 interactions GloBI sur 3 types (connectance 9.3%, 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°
17,7°C
Annual rain
1 230mm
Moisture idx (CMI)
0,04
Runoff
660mm/an
PET
1 178mm
AET
924mm
Mean slope
0,1°
Water table
6cm
Forest
27%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)