Ontologia

Ruisseau

Orreåna

Crosses 1 administrative regions : Klepp

ruisseau

Total length

2km

Max discharge

4,9m³/s

Max Strahler

3

Segments matched

1

River geography1 admin regions · 0 communes

Parent watershed

hybas-20800341202883 km²

1 administrative regions crossed (GADM L2)

  • Klepp
    Rogaland · Norway
    2.5 km
    in this dpt

10 intersecting protected areas

1 more protected areas

  • Orrevatnet

    IUCN Not Reported

    Zoological Protection of Species

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

Species present

2 655 distinct species · 299 736 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 Orreåna : 15 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 21.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
60
Connectance
0.217
Patrimoniales
2
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

2km

Max discharge

4,9m³/s

Max Strahler

3

Segments matched

1

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