HydroBASINS lev08 watershed · #2080479660
Bassin de Kemence-patak
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 5 administrative regions across 2 countries : Balassagyarmat, Levice, Rétság, Szob, Vác
Sub-basin area
112,2km²
Upstream area
4 243,3km²
Discharge
14,23m³/s
Mean elev.
420m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ipoly / Ipeľ2561 km²
- Bassin de Krupinica561 km²
5 dept-equivalent regions (GADM L2)
- 61.2 km²54.4% of basin
- 35.2 km²31.3% of basin
- 11.4 km²10.1% of basin
- 3.4 km²3.1% of basin
- 1.3 km²1.2% of basin
4 intersecting protected areas
Börzsöny
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
86.56 km² overlap
Börzsöny és Visegrádi-hegység
IUCN Not ReportedSpecial Protection Area (Birds Directive)
86.38 km² overlap
Duna–Ipoly Nemzeti Park
IUCN VNational Park
85.72 km² overlap
Zlepencová terasa
IUCN IIINature Monument / Private Nature Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 427 distinct species · 9 839 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Kemence-patak : 25 espèces reliées par 73 interactions GloBI sur 5 types (connectance 13.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,7°C
Annual rain
664mm
Moisture idx (CMI)
-0,20
Runoff
106mm/an
PET
838mm
AET
555mm
Mean slope
10,9°
Water table
457cm
Forest
84%
Crops
18%
Urban
0%
Protected
76%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)