Ontologia

Commune · ROU

Bretcu

Romania

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

Species observed

54

Observations

132

Area

112,1km²

Ecological tissue

Sample of 19 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 Bretcu : 17 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
18
Connectance
0.105
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

54 distinct species · 132 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

132 obs · 2 cellules
Obs. / cellule
≥ 90
90–89
90–89
90–89
< 90

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

Climate

Mean T°

6,5°C

Annual rain

718mm

Warmest m°

21,1°C

Coldest m°

-7,9°C

Elevation: 841 m on average (min 570 m, max 1 260 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
718mm
Warmest month
21,1°C
Coldest month
-7,9°C
Mean alt.
841m
Min
570m
Max
1 260m
Std. dev.
158m
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

5,9

Org. C

40,2g/kg

Clay

30,3%

Sand

32,6%

Silt

37,1%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
62,6g/kg
Clay
29,9%
Sand
32,6%
Silt
37,5%
5–15 cm
pH H₂O
5,8
Org. C
34,5g/kg
Clay
30,6%
Sand
32,6%
Silt
36,8%
15–30 cm
pH H₂O
5,9
Org. C
23,5g/kg
Clay
30,3%
Sand
32,7%
Silt
37,0%

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

Land cover

Forest73.2%
Crops7.9%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)18.5%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

20,6km

Basins crossed

4

Max stream order

2

Max drainage

2 603km²

Discharge in basins

0,7m³/s

Mean precip.

657mm/an

Mean T°

6,6°C

Moisture idx

-0,17

Max snow

25%

Mean runoff

211mm/an

Mean elev. (basins)

746m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

23,0%

Pesticides

4,2kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN V · 1

Putna - Vrancea

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

381 km²

Munții Vrancei

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

381 km²

Oituz - Ojdula

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

153 km²

Râul Negru

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

23 km²

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