Dealul Perchiu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
2 km²
Commune · ROU
Onesti
Romania
DfaCold, no dry season, hot summer(93 %)
Species observed
178
Observations
528
Area
52,6km²
Ecological tissue
Sample of 33 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 Onesti : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
78
Connectance
0.148
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
178 distinct species · 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,6°C
Annual rain
548mm
Warmest m°
25,4°C
Coldest m°
-6,0°C
Elevation: 227 m on average (min 177 m, max 330 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,6°C
Annual rain
548mm
Warmest month
25,4°C
Coldest month
-6,0°C
Mean alt.
227m
Min
177m
Max
330m
Std. dev.
34m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(93 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
26,7g/kg
Clay
41,1%
Sand
25,0%
Silt
33,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
45,0g/kg
Clay
40,5%
Sand
25,4%
Silt
34,1%
5–15 cm
pH H₂O
6,6
Org. C
19,7g/kg
Clay
41,7%
Sand
25,0%
Silt
33,3%
15–30 cm
pH H₂O
6,6
Org. C
15,5g/kg
Clay
41,2%
Sand
24,6%
Silt
34,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops37.1%
Built-up4.0%
Bare soil0.8%
Other (grassland, water…)49.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
25,3km
Lake surface here
0,17km²
Basins crossed
7
Max stream order
4
Max drainage
4 433km²
Discharge in basins
27,3m³/s
Mean precip.
575mm/an
Mean T°
8,1°C
Moisture idx
-0,32
Max snow
25%
Mean runoff
141mm/an
Mean elev. (basins)
417m
Watersheds crossing here
- Bassin de Râul Trotușsub-area529,1 km²overlap24.03 km²46%
- Bassin de Râul Tazlăusub-area1 088 km²overlap9.08 km²17%
- Bassin de Oituzsub-area336,7 km²overlap5.57 km²11%
- Bassin de Râul Trotușsub-area434,2 km²overlap5.18 km²10%
- Bassin de Râul Trotușsub-area3,3 km²overlap3.28 km²6%
- Bassin de Cașinsub-area314,9 km²overlap2.96 km²6%
- Bassin de Râul Trotușsub-area2,5 km²overlap2.50 km²5%
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
6,7nW
Built-up
404,7%
Pesticides
5,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Perchiu
IUCN IVNature reserve · 2000
2 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN