Ruisseau
Gammelströmmen
Crosses 3 administrative regions : Haninge, Huddinge, Tyresö
Total length
0km
Max discharge
1,6m³/s
Max Strahler
2
Segments matched
1
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
10 intersecting protected areas
Tyresta-Åva
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Tyresta-Åva
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tyresta-Åva
IUCN IINatura 2000 SCI
Tyresta-Åva
IUCN IINatura 2000 SPA
2001110 Tyresta
IUCN IbNature Reserve
2002725 Alby
IUCN IaNature Reserve
2043288 Drevviken
IUCN Not AssignedNature Reserve
2061101 Telegrafberget
IUCN IVNature Reserve
2044569 Klövberget
IUCN IaNature Reserve
1 more protected areassorted by area
2000623 Hammarberget
IUCN IaNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
3 313 distinct species · 48 639 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Gammelströmmen : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 6 types (connectance 11.4%, filtre Serrano α=0.2). 9 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
1,6m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.