Ontologia

Commune · ROU

Biertan

Romania

DfbCold, no dry season, warm summer(100 %)

Species observed

322

Observations

856

Area

97,6km²

Ecological tissue

Sample of 29 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 Biertan : 20 espèces reliées par 72 interactions GloBI sur 5 types (connectance 17.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
72
Connectance
0.177
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

322 distinct species · 856 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

856 obs · 3 cellules
Obs. / cellule
≥ 422
422–421
422–421
343–421
< 343

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

Climate

Mean T°

9,1°C

Annual rain

672mm

Warmest m°

24,0°C

Coldest m°

-5,8°C

Elevation: 495 m on average (min 383 m, max 604 m)

Bioclimatic detailsExpert
Annual mean temp.
9,1°C
Annual rain
672mm
Warmest month
24,0°C
Coldest month
-5,8°C
Mean alt.
495m
Min
383m
Max
604m
Std. dev.
55m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,1

Org. C

31,0g/kg

Clay

37,7%

Sand

30,7%

Silt

31,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
48,2g/kg
Clay
36,2%
Sand
31,7%
Silt
32,0%
5–15 cm
pH H₂O
6,1
Org. C
24,4g/kg
Clay
37,5%
Sand
31,6%
Silt
30,9%
15–30 cm
pH H₂O
6,1
Org. C
20,5g/kg
Clay
39,3%
Sand
28,6%
Silt
32,1%

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

Land cover

Forest55.6%
Crops12.8%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)31.2%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

15,5km

Basins crossed

2

Max stream order

2

Max drainage

2 758km²

Discharge in basins

1,5m³/s

Mean precip.

625mm/an

Mean T°

8,4°C

Moisture idx

-0,30

Max snow

16%

Mean runoff

233mm/an

Mean elev. (basins)

481m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

17,3%

Pesticides

4,8kg/km²

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

Protected areas2

IUCN Not Reported · 2

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