Ontologia

Commune · ROU

Roznov

Romania

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

Species observed

9

Observations

11

Area

39,3km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 Roznov : 4 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

9 distinct species · 11 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 obs · 1 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

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

Climate

Mean T°

9,0°C

Annual rain

594mm

Warmest m°

24,7°C

Coldest m°

-7,0°C

Elevation: 291 m on average (min 261 m, max 371 m)

Bioclimatic detailsExpert
Annual mean temp.
9,0°C
Annual rain
594mm
Warmest month
24,7°C
Coldest month
-7,0°C
Mean alt.
291m
Min
261m
Max
371m
Std. dev.
20m
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

6,7

Org. C

26,7g/kg

Clay

41,3%

Sand

19,5%

Silt

39,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
42,3g/kg
Clay
40,7%
Sand
19,8%
Silt
39,5%
5–15 cm
pH H₂O
6,7
Org. C
19,4g/kg
Clay
41,4%
Sand
19,6%
Silt
38,9%
15–30 cm
pH H₂O
6,7
Org. C
18,3g/kg
Clay
41,9%
Sand
19,1%
Silt
39,1%

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

Land cover

Forest4.3%
Crops65.7%
Built-up1.9%
Bare soil0.3%
Other (grassland, water…)27.8%

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

Hydrology3 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

17,0km

Basins crossed

3

Max stream order

5

Max drainage

7 018km²

Discharge in basins

1,8m³/s

Mean precip.

583mm/an

Mean T°

7,3°C

Moisture idx

-0,28

Max snow

25%

Mean runoff

185mm/an

Mean elev. (basins)

494m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,6nW

Built-up

195,1%

Pesticides

5,2kg/km²

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