Valea lui David
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2009
14 km²
Commune · ROU
Letcani
Romania
DfaCold, no dry season, hot summer(100 %)
Species observed
128
Observations
256
Area
59,4km²
Ecological tissue
Sample of 44 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 Letcani : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
66
Connectance
0.067
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
128 distinct species · 256 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,3°C
Annual rain
543mm
Warmest m°
26,5°C
Coldest m°
-5,6°C
Elevation: 94 m on average (min 48 m, max 143 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,3°C
Annual rain
543mm
Warmest month
26,5°C
Coldest month
-5,6°C
Mean alt.
94m
Min
48m
Max
143m
Std. dev.
25m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
25,7g/kg
Clay
44,1%
Sand
11,4%
Silt
44,6%
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
7,0
Org. C
38,3g/kg
Clay
44,3%
Sand
11,5%
Silt
44,3%
5–15 cm
pH H₂O
7,0
Org. C
19,4g/kg
Clay
45,3%
Sand
11,0%
Silt
43,7%
15–30 cm
pH H₂O
7,0
Org. C
19,3g/kg
Clay
42,6%
Sand
11,6%
Silt
45,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.9%
Crops58.3%
Built-up1.1%
Bare soil1.1%
Other (grassland, water…)34.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
27,4km
Lake surface here
0,86km²
Basins crossed
1
Max stream order
4
Max drainage
1 982km²
Discharge in basins
0,4m³/s
Mean precip.
555mm/an
Mean T°
9,1°C
Moisture idx
-0,37
Max snow
13%
Mean runoff
211mm/an
Mean elev. (basins)
156m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,5nW
Built-up
110,6%
Pesticides
5,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 3IUCN IV · 1
Dealul lui Dumnezeu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
7 km²
Sărăturile din Valea Ilenei
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
1 km²
Sărăturile din Valea Ilenei
IUCN IVNature reserve · 1994
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN