Rivière· 36 segments
Rio da Varzea
Crosses 6 administrative regions : Almirante Tamandaré do Sul, Carazinho, Chapada, Coqueiros do Sul, Passo Fundo +1
Total length
109km
Max discharge
25,1m³/s
Max Strahler
4
Segments matched
36
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
- CarazinhoRio Grande do Sul · Brazil77.1 kmin this dpt
- Passo FundoRio Grande do Sul · Brazil11.9 kmin this dpt
- Coqueiros do SulRio Grande do Sul · Brazil11.1 kmin this dpt
- Santo Antônio do PlanaltoRio Grande do Sul · Brazil3.6 kmin this dpt
- Almirante Tamandaré do SulRio Grande do Sul · Brazil3.2 kmin this dpt
- ChapadaRio Grande do Sul · Brazil0.5 kmin this dpt
1 page = 1 named river (aggregation of 36 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
173 distinct species · 926 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Rio da Varzea : 21 espèces reliées par 29 interactions GloBI sur 2 types (connectance 7.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
109km
Max discharge
25,1m³/s
Max Strahler
4
Segments matched
36
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.