Ontologia

Commune · ROU

Bistrita

Romania

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

Species observed

256

Observations

664

Area

146,1km²

Ecological tissue

Sample of 46 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 Bistrita : 35 espèces reliées par 113 interactions GloBI sur 5 types (connectance 10.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
113
Connectance
0.109
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

256 distinct species · 664 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

664 obs · 4 cellules
Obs. / cellule
≥ 477
477–476
115–476
115–114
< 115

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

Climate

Mean T°

8,5°C

Annual rain

827mm

Warmest m°

23,5°C

Coldest m°

-7,4°C

Elevation: 446 m on average (min 330 m, max 625 m)

Bioclimatic detailsExpert
Annual mean temp.
8,5°C
Annual rain
827mm
Warmest month
23,5°C
Coldest month
-7,4°C
Mean alt.
446m
Min
330m
Max
625m
Std. dev.
68m
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

40,3g/kg

Clay

40,6%

Sand

22,9%

Silt

36,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
70,0g/kg
Clay
39,0%
Sand
23,3%
Silt
37,6%
5–15 cm
pH H₂O
6,1
Org. C
29,1g/kg
Clay
41,2%
Sand
22,4%
Silt
36,4%
15–30 cm
pH H₂O
6,1
Org. C
21,7g/kg
Clay
41,5%
Sand
23,1%
Silt
35,4%

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

Land cover

Forest31.9%
Crops24.5%
Built-up2.4%
Bare soil0.5%
Other (grassland, water…)40.8%

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

Hydrology5 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

31,8km

Basins crossed

5

Max stream order

4

Max drainage

2 186km²

Discharge in basins

2,8m³/s

Mean precip.

731mm/an

Mean T°

6,6°C

Moisture idx

-0,07

Max snow

26%

Mean runoff

325mm/an

Mean elev. (basins)

766m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

3,1nW

Built-up

235,5%

Pesticides

5,6kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN Not Assigned · 1

Șieu - Budac

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2013

9 km²

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