Ontologia

Commune · ROU

Oltenita

Romania

DfaCold, no dry season, hot summer(65 %)

Species observed

154

Observations

534

Area

103,3km²

Ecological tissue

Sample of 24 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 Oltenita : 16 espèces reliées par 52 interactions GloBI sur 3 types (connectance 18.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
52
Connectance
0.188
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

154 distinct species · 534 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

534 obs · 2 cellules
Obs. / cellule
≥ 456
456–455
456–455
456–455
< 456

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,3°C

Annual rain

559mm

Warmest m°

28,4°C

Coldest m°

-3,4°C

Elevation: 20 m on average (min 10 m, max 49 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
559mm
Warmest month
28,4°C
Coldest month
-3,4°C
Mean alt.
20m
Min
10m
Max
49m
Std. dev.
8m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(65 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,9

Org. C

20,6g/kg

Clay

48,0%

Sand

10,2%

Silt

41,7%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
31,0g/kg
Clay
47,3%
Sand
10,7%
Silt
42,0%
5–15 cm
pH H₂O
6,9
Org. C
16,3g/kg
Clay
48,5%
Sand
10,1%
Silt
41,4%
15–30 cm
pH H₂O
7,0
Org. C
14,5g/kg
Clay
48,3%
Sand
10,0%
Silt
41,7%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest4.9%
Crops66.8%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)26.6%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

21,7km

Lake surface here

0,21km²

Basins crossed

4

Max stream order

8

Max drainage

669 965km²

Discharge in basins

459,1m³/s

Mean precip.

566mm/an

Mean T°

10,9°C

Moisture idx

-0,40

Max snow

11%

Mean runoff

130mm/an

Mean elev. (basins)

108m

Watersheds crossing here

Lakes (1, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

129,3%

Pesticides

5,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas6

IUCN Not Reported · 5IUCN VI · 1

Oltenița - Ulmeni

IUCN Not Reported

Special Protection Area (Birds Directive) · 2011

124 km²

Pozharevo - Garvan

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

63 km²

Ostrov Pozharevo

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

10 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN