HydroBASINS lev08 watershed · #2080527940
Bassin de Târnava Mare
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 38 administrative regions : Agnita, Albesti, Apold, Atel, Axente Sever +33
Sub-basin area
1 194,2km²
Upstream area
2 758,2km²
Discharge
19,49m³/s
Mean elev.
454m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Târnava Mare1230 km²
- Bassin de Pârâul Scroafei334 km²
38 dept-equivalent regions (GADM L2)
- 122.9 km²10.3% of basin
- 113.1 km²9.4% of basin
- 112.5 km²9.4% of basin
- 94.6 km²7.9% of basin
- 87.8 km²7.3% of basin
- 78.3 km²6.5% of basin
- 76.6 km²6.4% of basin
- 62.5 km²5.2% of basin
30 moreFull L2 list
- Sacel53.5 km² · 4.5%
- Dumbraveni53.3 km² · 4.4%
- Hoghilag52.1 km² · 4.3%
- Mosna41.2 km² · 3.4%
- Darlos39.1 km² · 3.3%
- Valea Viilor37.7 km² · 3.2%
- Brateiu35.0 km² · 2.9%
- Tarnava28.0 km² · 2.3%
- Vanatori28.0 km² · 2.3%
- Copsa Mica23.3 km² · 1.9%
- Secuieni22.4 km² · 1.9%
- Blajel10.8 km² · 0.9%
- Saschiz7.1 km² · 0.6%
- Axente Sever3.2 km² · 0.3%
- Viisoara3.0 km² · 0.3%
- Bahnea2.5 km² · 0.2%
- Nades1.7 km² · 0.1%
- Vetca1.5 km² · 0.1%
- Balauseri1.1 km² · 0.1%
- Bazna1.1 km² · 0.1%
- Bradeni0.7 km² · 0.1%
- Iacobeni0.6 km² · 0.1%
- Barghis0.5 km² · 0.0%
- Mihaileni0.4 km² · 0.0%
- Cristuru Secuiesc0.4 km² · 0.0%
- Agnita0.3 km² · 0.0%
- Bagaciu0.3 km² · 0.0%
- Micasasa0.1 km² · 0.0%
- Bunesti0.1 km² · 0.0%
- Sangeorgiu De Padure0.0 km² · 0.0%
8 intersecting protected areas
Sighișoara - Târnava Mare
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
496.68 km² overlap
Podișul Hârtibaciului
IUCN Not ReportedSpecial Protection Area (Birds Directive)
477.15 km² overlap
Dealurile Târnavelor și Valea Nirajului
IUCN Not ReportedSpecial Protection Area (Birds Directive)
21.48 km² overlap
Pădurile de Stejar Pufos de pe Târnava Mare
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.31 km² overlap
Nature reserve
1.28 km² overlap
Râul Târnava Mare între Odorheiu Secuiesc și Vânători
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.90 km² overlap
Rezervația de stejar pufos
IUCN IVNature reserve
0.28 km² overlap
Nature reserve
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 647 distinct species · 9 129 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Târnava Mare : 21 espèces reliées par 76 interactions GloBI sur 5 types (connectance 17.5%, 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°
8,5°C
Annual rain
617mm
Moisture idx (CMI)
-0,31
Runoff
228mm/an
PET
891mm
AET
527mm
Mean slope
8,7°
Water table
419cm
Forest
67%
Crops
17%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)