Ruisseau· 4 segments

Holt-Sebes-Körös

Crosses 4 administrative regions : Berettyóújfalu, Cefa, Sarkad, Szeghalmi

ruisseau

Total length

52km

Max discharge

26,6m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-20805085102089 km²

4 administrative regions crossed (GADM L2)

Szeghalmi
Békés · Hungary
22.7 km
in this dpt
Sarkad
Békés · Hungary
15.7 km
in this dpt
Berettyóújfalu
Hajdú-Bihar · Hungary
3.6 km
in this dpt
Cefa
Bihor · Romania
0.0 km
in this dpt

10 intersecting protected areas

Körös–Maros Nemzeti Park
IUCN V
National Park
Dévaványa környéki gyepek
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Pescăria Cefa - Pădurea Rădvani
IUCN Not Reported
Special Protection Area (Birds Directive)
Kis-Sárrét
IUCN Not Reported
Special Protection Area (Birds Directive)
Dél-Bihari szikesek
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Parcul Natural Cefa
IUCN V
Natural park
Biharugra Fishponds
IUCN V
Wetland of International Importance (Ramsar Site)
Sebes-Körös
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Felső-Sebes-Körös
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

1 more protected areassorted by area

Holt-Sebes-Körös
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

65 distinct species · 97 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 15 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Holt-Sebes-Körös : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 2 types (connectance 17.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.171

Patrimoniales

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)