HydroBASINS lev08 watershed · #2080009480
Bassin de Έβρος/Meriç/Марица
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 6 administrative regions across 2 countries : East Macedonia and Thrace, Enez, Gelibolu, Keşan, Malkara +1
Sub-basin area
1 944km²
Upstream area
52 512,1km²
Discharge
274,38m³/s
Mean elev.
83m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Ergene Nehri1957 km²
- Bassin de Έβρος/Meriç/Марица577 km²
6 dept-equivalent regions (GADM L2)
- 868.5 km²44.6% of basin
- 470.4 km²24.2% of basin
- 225.1 km²11.6% of basin
- 224.3 km²11.5% of basin
- 137.2 km²7.1% of basin
- 20.8 km²1.1% of basin
21 intersecting protected areas
Evros delta
IUCN Not ReportedWetland of International Importance (Ramsar Site)
57.91 km² overlap
National Park
50.46 km² overlap
VOUNA EVROU- POTAMOS LYRAS- SPILAIA DIDYMOTEICHOU KAI KEFALOVOUNOU
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
50.13 km² overlap
DASOS DADIAS - SOUFLI
IUCN Not ReportedSpecial Protection Area (Birds Directive)
50.08 km² overlap
National Park
47.08 km² overlap
DELTA EVROU
IUCN Not ReportedSpecial Protection Area (Birds Directive)
46.97 km² overlap
Dadia-Lykofos-Lefkimmi
IUCN IVWildlife Refugee
22.72 km² overlap
DELTA EVROU KAI DYTIKOS VRACHIONAS
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
18.69 km² overlap
National Park - Peripheral zone
17.28 km² overlap
12 more protected areassorted by overlap area
Others
15.21 km² overlap
Others
14.86 km² overlap
Nature reserve zone in National Park
14.73 km² overlap
Others
12.83 km² overlap
Others
11.37 km² overlap
Nature reserve zone in National Park
10.92 km² overlap
Nature reserve zone in National Park
6.53 km² overlap
Others
6.43 km² overlap
Wildlife Refugee
5.03 km² overlap
Nature reserve zone in National Park
4.21 km² overlap
Others
0.39 km² overlap
Others
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
702 distinct species · 30 743 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Έβρος/Meriç/Марица : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 2 types (connectance 16.1%, 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°
13,8°C
Annual rain
641mm
Moisture idx (CMI)
-0,41
Runoff
206mm/an
PET
1 086mm
AET
540mm
Mean slope
2,9°
Water table
203cm
Forest
11%
Crops
51%
Urban
2%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)