Ontologia

Commune · ROU

Constanta

Romania

CfaTemperate, no dry season, hot summer(100 %)

Species observed

463

Observations

2 004

Area

123,9km²

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 Constanta : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
87
Connectance
0.131
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

463 distinct species · 2 004 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 004 obs · 2 cellules
Obs. / cellule
≥ 1 142
1 142–1 141
1 142–1 141
1 142–1 141
< 1 142

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

453mm

Warmest m°

26,6°C

Coldest m°

-0,8°C

Elevation: 33 m on average (min -23 m, max 70 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
453mm
Warmest month
26,6°C
Coldest month
-0,8°C
Mean alt.
33m
Min
-23m
Max
70m
Std. dev.
24m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

20,3g/kg

Clay

39,9%

Sand

8,0%

Silt

52,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
29,8g/kg
Clay
38,0%
Sand
8,4%
Silt
53,6%
5–15 cm
pH H₂O
7,7
Org. C
16,5g/kg
Clay
41,5%
Sand
7,7%
Silt
50,7%
15–30 cm
pH H₂O
7,7
Org. C
14,6g/kg
Clay
40,2%
Sand
8,0%
Silt
51,8%

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

Land cover

Forest1.5%
Crops36.5%
Built-up7.9%
Bare soil0.6%
Other (grassland, water…)53.6%

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

Hydrology2 basins · 2 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,6km

Lake surface here

17,21km²

Basins crossed

2

Max stream order

2

Max drainage

815km²

Discharge in basins

0,2m³/s

Mean precip.

439mm/an

Mean T°

11,7°C

Moisture idx

-0,46

Max snow

6%

Mean runoff

120mm/an

Mean elev. (basins)

45m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

14hab/km²

Night light

17,5nW

Built-up

787,3%

Pesticides

5,2kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN Not Assigned · 1🌊 Marine · 1

Marea Neagră

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

1 490 km²

Lacul Siutghiol

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

19 km²

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