Dunărea Veche - Brațul Măcin
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
190 km²
Commune · ROU
Saraiu
Romania
DfaCold, no dry season, hot summer(93 %)
Species observed
90
Observations
245
Area
111km²
Ecological tissue
Sample of 31 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Saraiu : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
51
Connectance
0.110
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
90 distinct species · 245 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
449mm
Warmest m°
27,5°C
Coldest m°
-3,3°C
Elevation: 93 m on average (min 28 m, max 212 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
449mm
Warmest month
27,5°C
Coldest month
-3,3°C
Mean alt.
93m
Min
28m
Max
212m
Std. dev.
39m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(93 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,7
Org. C
21,3g/kg
Clay
33,5%
Sand
10,2%
Silt
56,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,5
Org. C
32,9g/kg
Clay
32,8%
Sand
10,3%
Silt
56,9%
5–15 cm
pH H₂O
7,8
Org. C
16,6g/kg
Clay
34,5%
Sand
9,9%
Silt
55,7%
15–30 cm
pH H₂O
7,8
Org. C
14,5g/kg
Clay
33,4%
Sand
10,5%
Silt
56,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.0%
Crops78.1%
Built-up0.1%
Bare soil2.7%
Other (grassland, water…)17.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
20,7km
Basins crossed
3
Max stream order
2
Max drainage
683 875km²
Discharge in basins
55,0m³/s
Mean precip.
456mm/an
Mean T°
11,0°C
Moisture idx
-0,49
Max snow
7%
Mean runoff
112mm/an
Mean elev. (basins)
79m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
14,3%
Pesticides
5,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Stepa Saraiu - Horea
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
41 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN