Ontologia

Commune · ROU

Crisan

Romania

BSkArid, steppe, cold(99 %)

Species observed

790

Observations

26 653

Area

384,3km²

Ecological tissue

Sample of 28 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 Crisan : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 3 types (connectance 12.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
52
Connectance
0.128
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

790 distinct species · 26 653 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 653 obs · 11 cellules
Obs. / cellule
≥ 12 218
4 778–12 217
2 466–4 777
522–2 465
< 522

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

Climate

Mean T°

12,0°C

Annual rain

335mm

Warmest m°

27,0°C

Coldest m°

-1,7°C

Elevation: 1 m on average (min -13 m, max 5 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
335mm
Warmest month
27,0°C
Coldest month
-1,7°C
Mean alt.
1m
Min
-13m
Max
5m
Std. dev.
2m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(99 %)Arid

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

Soil & lithology

pH H₂O

7,2

Org. C

51,4g/kg

Clay

28,8%

Sand

28,9%

Silt

42,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
72,4g/kg
Clay
28,4%
Sand
29,3%
Silt
42,4%
5–15 cm
pH H₂O
7,2
Org. C
46,3g/kg
Clay
29,8%
Sand
28,2%
Silt
42,0%
15–30 cm
pH H₂O
7,2
Org. C
35,5g/kg
Clay
28,3%
Sand
29,4%
Silt
42,3%

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

Land cover

Forest8.5%
Crops30.3%
Built-up0.1%
Bare soil0.6%
Other (grassland, water…)60.6%

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

Hydrology2 basins · 33 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

76,5km

Lake surface here

44,24km²

Basins crossed

2

Max stream order

3

Max drainage

786 750km²

Discharge in basins

5,2m³/s

Mean precip.

366mm/an

Mean T°

11,4°C

Moisture idx

-0,53

Max snow

4%

Mean runoff

30mm/an

Mean elev. (basins)

4m

Watersheds crossing here

Lakes (33, top by area)

24 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

5,1%

Pesticides

2,7kg/km²

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

Protected areas8

IUCN Not Assigned · 4IUCN Not Reported · 3IUCN Not Applicable · 1🌊 Marine · 5

Danube Delta

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1991

6 278 km²

Delta Dunării

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2009

4 532 km²

Danube Delta

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1991

3 151 km²

Complete list

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