Rivière
Torrent de les Portes Negres
Crosses 2 administrative regions : Barcelona, Girona
Total length
0km
Max discharge
7,4m³/s
Max Strahler
4
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
6 intersecting protected areas
Estany de Sils-Riera de Santa Coloma
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Estany de Sils-Riera de Santa Coloma
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Riu i estanys de Tordera
IUCN VProtection Plan
Riu i Estanys de Tordera
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Turons de Maçanet
IUCN VProtection Plan
Riera de Santa Coloma
IUCN VProtection Plan
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 721 distinct species · 23 282 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Torrent de les Portes Negres : 26 espèces reliées par 65 interactions GloBI sur 6 types (connectance 13.1%, filtre Serrano α=0.2). 6 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
0km
Max discharge
7,4m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.