Râul Negru
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
23 km²
Commune · ROU
Sanzieni
Romania
DfbCold, no dry season, warm summer(100 %)
Species observed
173
Observations
394
Area
87,3km²
Ecological tissue
Sample of 40 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 Sanzieni : 35 espèces reliées par 76 interactions GloBI sur 4 types (connectance 9.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
76
Connectance
0.097
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
173 distinct species · 394 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,1°C
Annual rain
637mm
Warmest m°
22,0°C
Coldest m°
-7,9°C
Elevation: 723 m on average (min 558 m, max 998 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,1°C
Annual rain
637mm
Warmest month
22,0°C
Coldest month
-7,9°C
Mean alt.
723m
Min
558m
Max
998m
Std. dev.
134m
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
42,3g/kg
Clay
30,0%
Sand
32,1%
Silt
38,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
63,6g/kg
Clay
29,4%
Sand
32,4%
Silt
38,1%
5–15 cm
pH H₂O
6,0
Org. C
35,9g/kg
Clay
30,4%
Sand
32,2%
Silt
37,4%
15–30 cm
pH H₂O
6,1
Org. C
27,5g/kg
Clay
30,1%
Sand
31,6%
Silt
38,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest41.1%
Crops31.4%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)26.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
23,9km
Basins crossed
1
Max stream order
3
Max drainage
2 323km²
Discharge in basins
0,7m³/s
Mean precip.
678mm/an
Mean T°
6,5°C
Moisture idx
-0,14
Max snow
22%
Mean runoff
257mm/an
Mean elev. (basins)
788m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
45,6%
Pesticides
5,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Valea Râului Negru
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
23 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN