HydroBASINS lev08 watershed · #2080100430
Bassin · #2080100430
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 4 administrative regions : Dragoman, Godech, Kostinbrod, Svoge
Sub-basin area
97,8km²
Upstream area
97,8km²
Discharge
0,42m³/s
Mean elev.
826m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 70.6 km²72.0% of basin
- 25.4 km²25.9% of basin
- 1.5 km²1.5% of basin
- 0.6 km²0.6% of basin
7 intersecting protected areas
Dragoman
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
84.84 km² overlap
Dragoman Marsh Karst Complex
IUCN IVWetland of International Importance (Ramsar Site)
83.13 km² overlap
Rayanovtsi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
71.98 km² overlap
Zapadna Stara planina i Predbalkan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.48 km² overlap
Rozmarinolistna varba
IUCN VIProtected Site
0.18 km² overlap
Protected Site
0.07 km² overlap
Protected Site
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
431 distinct species · 11 223 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 · #2080100430 : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 11.2%, filtre Serrano α=0.2). 7 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°
8,4°C
Annual rain
628mm
Moisture idx (CMI)
-0,28
Runoff
189mm/an
PET
873mm
AET
535mm
Mean slope
5,9°
Water table
525cm
Forest
1%
Crops
17%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)