Rivière
Nyköpingsån
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Nyköping
Max discharge
23,6m³/s
Max Strahler
5
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NyköpingSödermanland · Sweden26.4 kmin this dpt
6 intersecting protected areas
Nature Reserve
SK 268-2004
IUCN IVNature conservation agreement, Swedish Forest Agency
2004731 Gubbholmen i Långhalsen
IUCN Not AssignedWildlife and Plant Sanctuary
2004732 Hästnäset i Långhalsen
IUCN Not AssignedWildlife and Plant Sanctuary
SK 393-2015
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 269-2004
IUCN IVNature conservation agreement, Swedish Forest Agency
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 147 distinct species · 8 620 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Nyköpingsån : 21 espèces reliées par 93 interactions GloBI sur 4 types (connectance 20.0%, filtre Serrano α=0.2). 10 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)
Matched len.
15,6km
Max discharge
23,6m³/s
Max Strahler
5
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.