Danube Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1991
6 278 km²
Commune · ROU
Romania
Species observed
318
Observations
5 593
Area
82,8km²
Sample of 33 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).
Tissu écologique de Ceatalchioi : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
318 distinct species · 5 593 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
11,6°C
Annual rain
439mm
Warmest m°
27,6°C
Coldest m°
-3,1°C
Elevation: 2 m on average (min 0 m, max 19 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
7,6
Org. C
33,7g/kg
Clay
35,5%
Sand
11,2%
Silt
53,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ndGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
24,0km
Lake surface here
0,07km²
Basins crossed
3
Max stream order
8
Max drainage
782 506km²
Discharge in basins
1 286,3m³/s
Mean precip.
442mm/an
Mean T°
11,1°C
Moisture idx
-0,52
Max snow
7%
Mean runoff
66mm/an
Mean elev. (basins)
25m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,8nW
Built-up
8,6%
Pesticides
27,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 1991
6 278 km²
Special Protection Area (Birds Directive) · 2007
5 078 km²
Site of Community Importance (Habitats Directive) · 2009
4 532 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN