Ontologia

Rivière· 12 segments

Jaša

Crosses 3 administrative regions : Daugavpils, Preili, Rezekne

rivière

Total length

34km

Max discharge

8,4m³/s

Max Strahler

4

Segments matched

12

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080292560225 km²

3 administrative regions crossed (GADM L2)

  • Preili
    Latgale · Latvia
    49.2 km
    in this dpt
  • Daugavpils
    Latgale · Latvia
    11.9 km
    in this dpt
  • Rezekne
    Latgale · Latvia
    0.0 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

45 distinct species · 59 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 21 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 Jaša : 17 espèces reliées par 22 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
22
Connectance
0.105
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

34km

Max discharge

8,4m³/s

Max Strahler

4

Segments matched

12

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