HydroBASINS lev08 watershed · #6080844460

Bassin de Arroio São Salvador

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 : Barão, Bom Princípio, Feliz, Harmonia, Pareci Novo +6

Pfafstetter: 64110807

Sub-basin area

238,1km²

Upstream area

3 040,7km²

Discharge

70,41m³/s

Mean elev.

168m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Rio Caí36 km²

▲ Receives from 2 basins

Bassin de Rio Caí2417 km²
Bassin de Arroio Forromeco386 km²

11 dept-equivalent regions (GADM L2)

Tupandi
Rio Grande do Sul · Brazil
52.2 km²
21.9% of basin
São Sebastião do Caí
Rio Grande do Sul · Brazil
39.9 km²
16.8% of basin
Harmonia
Rio Grande do Sul · Brazil
36.1 km²
15.2% of basin
Bom Princípio
Rio Grande do Sul · Brazil
27.3 km²
11.5% of basin
Salvador do Sul
Rio Grande do Sul · Brazil
25.7 km²
10.8% of basin
São Pedro da Serra
Rio Grande do Sul · Brazil
20.2 km²
8.5% of basin
Pareci Novo
Rio Grande do Sul · Brazil
14.4 km²
6.0% of basin
Feliz
Rio Grande do Sul · Brazil
12.9 km²
5.4% of basin

3 moreFull L2 list

São José do Sul6.3 km² · 2.6%
São José do Hortêncio2.5 km² · 1.0%
Barão0.4 km² · 0.2%

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

425 distinct species · 837 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Arroio São Salvador : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.084

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

19,1°C

Annual rain

1 492mm

Moisture idx (CMI)

0,14

Runoff

692mm/an

PET

1 280mm

AET

1 125mm

Mean slope

7,6°

Water table

313cm

Forest

54%

Crops

38%

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)