Ontologia

Rivière· 19 segments

Alsterån

Crosses 4 administrative regions : Högsby, Mönsterås, Nybro, Uppvidinge

rivière

Total length

96km

Max discharge

10,9m³/s

Max Strahler

4

Segments matched

19

River geography4 admin regions · 0 communes

Parent watershed

hybas-20800322801544 km²

4 administrative regions crossed (GADM L2)

  • Uppvidinge
    Kronoberg · Sweden
    67.9 km
    in this dpt
  • Högsby
    Kalmar · Sweden
    25.2 km
    in this dpt
  • Nybro
    Kalmar · Sweden
    18.9 km
    in this dpt
  • Mönsterås
    Kalmar · Sweden
    8.7 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 137 distinct species · 13 468 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 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 Alsterån : 22 espèces reliées par 23 interactions GloBI sur 3 types (connectance 9.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
23
Connectance
0.091
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

96km

Max discharge

10,9m³/s

Max Strahler

4

Segments matched

19

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