Ontologia

Ruisseau

Gravabäcken

Crosses 2 administrative regions : Nordmaling, Umeå

ruisseau

Total length

26km

Max discharge

9,6m³/s

Max Strahler

3

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800306601206 km²

2 administrative regions crossed (GADM L2)

  • Nordmaling
    Västerbotten · Sweden
    15.6 km
    in this dpt
  • Umeå
    Västerbotten · Sweden
    6.2 km
    in this dpt

11 intersecting protected areas

2 more protected areas

1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.

Species present

514 distinct species · 3 947 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Gravabäcken : 39 espèces reliées par 44 interactions GloBI sur 5 types (connectance 4.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
44
Connectance
0.046
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

26km

Max discharge

9,6m³/s

Max Strahler

3

Segments matched

1

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.