Ontologia

Commune · ROU

Halchiu

Romania

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

Species observed

285

Observations

4 123

Area

108,5km²

Ecological tissue

Sample of 30 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 Halchiu : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 3 types (connectance 11.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
49
Connectance
0.113
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

285 distinct species · 4 123 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 123 obs · 3 cellules
Obs. / cellule
≥ 3 829
3 829–3 828
3 829–3 828
228–3 828
< 228

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

Climate

Mean T°

8,1°C

Annual rain

669mm

Warmest m°

23,0°C

Coldest m°

-7,1°C

Elevation: 595 m on average (min 494 m, max 971 m)

Bioclimatic detailsExpert
Annual mean temp.
8,1°C
Annual rain
669mm
Warmest month
23,0°C
Coldest month
-7,1°C
Mean alt.
595m
Min
494m
Max
971m
Std. dev.
124m
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

33,7g/kg

Clay

35,3%

Sand

28,7%

Silt

36,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
54,1g/kg
Clay
34,9%
Sand
29,0%
Silt
36,1%
5–15 cm
pH H₂O
6,1
Org. C
26,5g/kg
Clay
35,7%
Sand
29,4%
Silt
34,8%
15–30 cm
pH H₂O
6,2
Org. C
20,7g/kg
Clay
35,3%
Sand
27,6%
Silt
37,0%

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

Land cover

Forest23.6%
Crops46.2%
Built-up0.6%
Bare soil0.5%
Other (grassland, water…)29.2%

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

Hydrology2 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

27,2km

Lake surface here

0,27km²

Basins crossed

2

Max stream order

3

Max drainage

6 180km²

Discharge in basins

5,1m³/s

Mean precip.

647mm/an

Mean T°

7,4°C

Moisture idx

-0,22

Max snow

27%

Mean runoff

256mm/an

Mean elev. (basins)

657m

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

55,7%

Pesticides

5,6kg/km²

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

Protected areas6

IUCN Not Reported · 4IUCN IV · 2

Pădurea Bogata

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

63 km²

Pădurea Bogății

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

63 km²

Oltul Superior

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

15 km²

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