Reka Iskar
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
97 km²
Municipality · BGR
Knezha
Bulgaria
CfaTemperate, no dry season, hot summer(60 %)
Species observed
204
Observations
790
Area
294,3km²
Ecological tissue
Sample of 38 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 Knezha : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 4 types (connectance 14.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
101
Connectance
0.144
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
204 distinct species · 790 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,4°C
Annual rain
580mm
Warmest m°
28,9°C
Coldest m°
-4,2°C
Elevation: 131 m on average (min 53 m, max 175 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,4°C
Annual rain
580mm
Warmest month
28,9°C
Coldest month
-4,2°C
Mean alt.
131m
Min
53m
Max
175m
Std. dev.
28m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(60 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
22,0g/kg
Clay
40,4%
Sand
12,7%
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
6,8
Org. C
33,8g/kg
Clay
40,8%
Sand
12,4%
Silt
46,7%
5–15 cm
pH H₂O
6,9
Org. C
16,7g/kg
Clay
41,1%
Sand
11,8%
Silt
47,0%
15–30 cm
pH H₂O
6,8
Org. C
15,5g/kg
Clay
39,4%
Sand
13,7%
Silt
47,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.3%
Crops86.5%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)9.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
63,6km
Basins crossed
2
Max stream order
5
Max drainage
592 365km²
Discharge in basins
45,3m³/s
Mean precip.
605mm/an
Mean T°
11,3°C
Moisture idx
-0,39
Max snow
11%
Mean runoff
127mm/an
Mean elev. (basins)
185m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
58,5%
Pesticides
5,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Konunski dol
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
8 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN