Fleuve· 43 segments
Arroyo Negro
Crosses 7 administrative regions : NA, Piedras Coloradas, Porvenir, San Javier, Uruguay +1
Total length
392km
Max discharge
6 354,6m³/s
Max Strahler
7
Segments matched
43
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- YoungRío Negro · Uruguay48.3 kmin this dpt
- San JavierRío Negro · Uruguay43.1 kmin this dpt
- Piedras ColoradasPaysandú · Uruguay35.9 kmin this dpt
- NAPaysandú · Uruguay28.1 kmin this dpt
- PorvenirPaysandú · Uruguay21.9 kmin this dpt
- NARío Negro · Uruguay7.9 kmin this dpt
- UruguayEntre Ríos · Argentina0.0 kmin this dpt
1 page = 1 named river (aggregation of 43 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
53 distinct species · 129 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Arroyo Negro : 14 espèces reliées par 19 interactions GloBI sur 3 types (connectance 14.0%, filtre Serrano α=0.2). 3 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
392km
Max discharge
6 354,6m³/s
Max Strahler
7
Segments matched
43
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.