Rivière· 5 segments
Arroio Marau
Crosses 2 administrative regions : Marau, Vila Maria
Total length
30km
Max discharge
16,6m³/s
Max Strahler
4
Segments matched
5
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- MarauRio Grande do Sul · Brazil11.5 kmin this dpt
- Vila MariaRio Grande do Sul · Brazil3.6 kmin this dpt
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
139 distinct species · 723 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Arroio Marau : 23 espèces reliées par 32 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 5 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
30km
Max discharge
16,6m³/s
Max Strahler
4
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.