Danube Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1991
6 278 km²
Commune · ROU
Romania
Species observed
684
Observations
6 193
Area
284,4km²
Sample of 30 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 Sarichioi : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
684 distinct species · 6 193 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
11,9°C
Annual rain
406mm
Warmest m°
27,6°C
Coldest m°
-2,2°C
Elevation: 30 m on average (min -17 m, max 187 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
7,6
Org. C
21,6g/kg
Clay
37,5%
Sand
10,4%
Silt
52,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
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
32,9km
Lake surface here
125,22km²
Basins crossed
7
Max stream order
4
Max drainage
2 062km²
Discharge in basins
2,3m³/s
Mean precip.
419mm/an
Mean T°
11,2°C
Moisture idx
-0,51
Max snow
13%
Mean runoff
42mm/an
Mean elev. (basins)
51m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,1nW
Built-up
31,2%
Pesticides
5,5kg/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
World Heritage Site (natural or mixed) · 1991
3 151 km²
Site of Community Importance (Habitats Directive) · 2008
848 km²
Special Protection Area (Birds Directive) · 2007
579 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN