Ontologia

Ruisseau· 14 segments

Abuls

Crosses 2 administrative regions : Valka, Valmiera

ruisseau

Total length

63km

Max discharge

6,5m³/s

Max Strahler

3

Segments matched

14

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080269340590 km²

2 administrative regions crossed (GADM L2)

  • Valka
    Vidzeme · Latvia
    49.8 km
    in this dpt
  • Valmiera
    Vidzeme · Latvia
    17.0 km
    in this dpt

12 intersecting protected areas

  • Ziemeļgauja

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Ziemeļgauja

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Protected Landscape Area

  • Mežole

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Mežole

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Mežole

    IUCN IV

    Nature Reserve

  • Rauza

    IUCN IV

    Nature Reserve

  • Rauza

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Launkalne

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

3 more protected areas

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

37 distinct species · 58 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 Abuls : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 2 types (connectance 10.9%, filtre Serrano α=0.2).

Espèces affichées
11
Interactions affichées
6
Connectance
0.109
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

63km

Max discharge

6,5m³/s

Max Strahler

3

Segments matched

14

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