Ontologia

Rivière· 2 segments

Altarm

Crosses 2 administrative regions : Deutschlandsberg, Leibnitz

rivière

Total length

7km

Max discharge

7,5m³/s

Max Strahler

4

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-20805138601111 km²

2 administrative regions crossed (GADM L2)

  • Leibnitz
    Steiermark · Austria
    6.7 km
    in this dpt
  • Deutschlandsberg
    Steiermark · Austria
    1.3 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 255 distinct species · 6 298 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 26 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 Altarm : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
31
Connectance
0.095
Patrimoniales
1
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

7km

Max discharge

7,5m³/s

Max Strahler

4

Segments matched

2

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