Lunca Buzăului
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
96 km²
Commune · ROU
Visani
Romania
DfaCold, no dry season, hot summer(100 %)
Species observed
138
Observations
467
Area
85,9km²
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 Visani : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
46
Connectance
0.106
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
138 distinct species · 467 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
481mm
Warmest m°
28,2°C
Coldest m°
-3,8°C
Elevation: 40 m on average (min 33 m, max 49 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
481mm
Warmest month
28,2°C
Coldest month
-3,8°C
Mean alt.
40m
Min
33m
Max
49m
Std. dev.
4m
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
7,3
Org. C
24,7g/kg
Clay
40,2%
Sand
12,8%
Silt
46,9%
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
7,3
Org. C
40,0g/kg
Clay
40,0%
Sand
13,1%
Silt
46,9%
5–15 cm
pH H₂O
7,3
Org. C
17,4g/kg
Clay
40,3%
Sand
12,8%
Silt
46,8%
15–30 cm
pH H₂O
7,4
Org. C
16,6g/kg
Clay
40,2%
Sand
12,6%
Silt
47,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops67.5%
Built-up0.3%
Bare soil0.8%
Other (grassland, water…)23.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
13,3km
Lake surface here
1,30km²
Basins crossed
4
Max stream order
4
Max drainage
45 857km²
Discharge in basins
4,2m³/s
Mean precip.
500mm/an
Mean T°
10,8°C
Moisture idx
-0,47
Max snow
7%
Mean runoff
143mm/an
Mean elev. (basins)
54m
Watersheds crossing here
Lakes (2, top by area)
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
28,2%
Pesticides
5,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 4IUCN Not Assigned · 2
Lunca Buzăului
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
96 km²
Balta Albă - Amara - Jirlău - Lacul Sărat Câineni
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
64 km²
Balta Albă - Amara - Jirlău
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
47 km²
Balta Amara
IUCN Not AssignedNot Assigned · 1995
8 km²
Lacul Jirlău - Vișani
IUCN Not AssignedNot Assigned · 2000
6 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN