Oltenița - Mostiștea - Chiciu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2024
115 km²
Commune · ROU
Gradistea
Romania
CfaTemperate, no dry season, hot summer(69 %)
Species observed
171
Observations
482
Area
181,6km²
Ecological tissue
Sample of 36 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 Gradistea : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
66
Connectance
0.105
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
171 distinct species · 482 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,2°C
Annual rain
521mm
Warmest m°
28,2°C
Coldest m°
-3,3°C
Elevation: 19 m on average (min 8 m, max 43 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,2°C
Annual rain
521mm
Warmest month
28,2°C
Coldest month
-3,3°C
Mean alt.
19m
Min
8m
Max
43m
Std. dev.
11m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(69 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,4
Org. C
20,9g/kg
Clay
43,2%
Sand
8,7%
Silt
48,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,3
Org. C
31,5g/kg
Clay
42,6%
Sand
8,7%
Silt
48,7%
5–15 cm
pH H₂O
7,4
Org. C
16,5g/kg
Clay
43,7%
Sand
8,3%
Silt
48,0%
15–30 cm
pH H₂O
7,5
Org. C
14,8g/kg
Clay
43,2%
Sand
9,0%
Silt
47,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.8%
Crops77.6%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)19.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,2km
Lake surface here
6,13km²
Basins crossed
1
Max stream order
8
Max drainage
674 120km²
Discharge in basins
462,9m³/s
Mean precip.
531mm/an
Mean T°
11,1°C
Moisture idx
-0,43
Max snow
9%
Mean runoff
132mm/an
Mean elev. (basins)
94m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
32,8%
Pesticides
5,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 4
Iezerul Călărași
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
50 km²
Lacul Gălățui
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
8 km²
Ostrov Chayka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2020
5 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN