Ontologia

Commune · ROU

Berca

Romania

DfaCold, no dry season, hot summer(80 %)

Species observed

185

Observations

319

Area

72,9km²

Ecological tissue

Sample of 48 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 Berca : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 8.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
96
Connectance
0.085
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

185 distinct species · 319 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

319 obs · 2 cellules
Obs. / cellule
≥ 311
311–310
311–310
311–310
< 311

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

Climate

Mean T°

10,3°C

Annual rain

534mm

Warmest m°

26,0°C

Coldest m°

-4,3°C

Elevation: 282 m on average (min 128 m, max 646 m)

Bioclimatic detailsExpert
Annual mean temp.
10,3°C
Annual rain
534mm
Warmest month
26,0°C
Coldest month
-4,3°C
Mean alt.
282m
Min
128m
Max
646m
Std. dev.
95m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(80 %)Cold

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

Soil & lithology

pH H₂O

6,9

Org. C

29,0g/kg

Clay

40,0%

Sand

23,8%

Silt

36,3%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
46,6g/kg
Clay
38,9%
Sand
24,4%
Silt
36,7%
5–15 cm
pH H₂O
6,9
Org. C
23,3g/kg
Clay
40,2%
Sand
23,7%
Silt
36,0%
15–30 cm
pH H₂O
6,9
Org. C
17,1g/kg
Clay
40,8%
Sand
23,3%
Silt
36,0%

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

Land cover

Forest26.3%
Crops35.0%
Built-up0.9%
Bare soil0.5%
Other (grassland, water…)37.3%

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

Hydrology2 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

19,7km

Lake surface here

0,10km²

Basins crossed

2

Max stream order

4

Max drainage

2 791km²

Discharge in basins

3,8m³/s

Mean precip.

605mm/an

Mean T°

8,7°C

Moisture idx

-0,31

Max snow

10%

Mean runoff

313mm/an

Mean elev. (basins)

415m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,8nW

Built-up

94,7%

Pesticides

5,1kg/km²

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

Protected areas3

IUCN Not Reported · 3

Lunca Buzăului

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2022

96 km²

Lunca Buzăului

IUCN Not Reported

Special Protection Area (Birds Directive) · 2016

96 km²

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