Ontologia

Commune · ROU

Negresti

Romania

DfaCold, no dry season, hot summer(79 %)

Species observed

91

Observations

219

Area

60,6km²

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 Negresti : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
33
Connectance
0.076
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

91 distinct species · 219 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

219 obs · 1 cellules
Obs. / cellule
≥ 219
219–218
219–218
219–218
< 219

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

Climate

Mean T°

9,9°C

Annual rain

502mm

Warmest m°

25,9°C

Coldest m°

-5,7°C

Elevation: 174 m on average (min 124 m, max 276 m)

Bioclimatic detailsExpert
Annual mean temp.
9,9°C
Annual rain
502mm
Warmest month
25,9°C
Coldest month
-5,7°C
Mean alt.
174m
Min
124m
Max
276m
Std. dev.
40m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(79 %)Cold

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

Soil & lithology

pH H₂O

7,1

Org. C

27,5g/kg

Clay

39,1%

Sand

21,7%

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
7,0
Org. C
38,5g/kg
Clay
38,8%
Sand
22,0%
Silt
39,3%
5–15 cm
pH H₂O
7,1
Org. C
17,6g/kg
Clay
39,9%
Sand
21,6%
Silt
38,5%
15–30 cm
pH H₂O
7,1
Org. C
26,4g/kg
Clay
38,6%
Sand
21,5%
Silt
39,9%

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

Land cover

Forest12.0%
Crops57.5%
Built-up1.1%
Bare soil0.4%
Other (grassland, water…)28.9%

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

Hydrology1 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

11,4km

Lake surface here

1,30km²

Basins crossed

1

Max stream order

3

Max drainage

1 883km²

Discharge in basins

0,3m³/s

Mean precip.

559mm/an

Mean T°

8,9°C

Moisture idx

-0,36

Max snow

13%

Mean runoff

164mm/an

Mean elev. (basins)

235m

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

Human pressure

Pop. density

1hab/km²

Night light

0,8nW

Built-up

113,2%

Pesticides

5,8kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1

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