Sredna gora
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
1 103 km²
Municipality · BGR
Hisar
Bulgaria
CfaTemperate, no dry season, hot summer(73 %)
Species observed
415
Observations
3 013
Area
555,4km²
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 Hisar : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
67
Connectance
0.127
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
415 distinct species · 3 013 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
765mm
Warmest m°
26,3°C
Coldest m°
-4,1°C
Elevation: 486 m on average (min 241 m, max 1 406 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
765mm
Warmest month
26,3°C
Coldest month
-4,1°C
Mean alt.
486m
Min
241m
Max
1 406m
Std. dev.
207m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(73 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
31,4g/kg
Clay
20,8%
Sand
51,3%
Silt
27,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
55,6g/kg
Clay
19,8%
Sand
53,3%
Silt
27,0%
5–15 cm
pH H₂O
6,2
Org. C
22,3g/kg
Clay
18,3%
Sand
55,1%
Silt
26,6%
15–30 cm
pH H₂O
6,2
Org. C
16,2g/kg
Clay
24,4%
Sand
45,4%
Silt
30,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.6%
Crops36.2%
Built-up0.3%
Bare soil0.6%
Other (grassland, water…)31.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 7 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
88,7km
Lake surface here
1,87km²
Basins crossed
3
Max stream order
3
Max drainage
8 689km²
Discharge in basins
11,1m³/s
Mean precip.
606mm/an
Mean T°
10,0°C
Moisture idx
-0,34
Max snow
8%
Mean runoff
180mm/an
Mean elev. (basins)
542m
Watersheds crossing here
Lakes (7, top by area)
Rivers / streams (11, ord ≥ 4)
- Габровско дереord 1len here13.71 km91%total15 km
- Тиклаord 2len here13.09 km56%total23 km
- Пясъчникord 2len here12.46 km95%total13 km
- Каварджиклийска рекаord 2len here11.40 km74%total15 km
- Калаващицаord 1len here10.31 km63%total16 km
- Тополница - Стрямаord 3len here6.97 km19%total36 km
- Кошовицаord 1len here6.81 km100%total7 km
- Стара рекаord 2len here5.46 km6%total87 km
- Тонково дереord 1len here4.70 km90%total5 km
- Стрямаord 5len here3.02 km3%total113 km
- Неволяord 3len here0.75 km4%total20 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
32,8%
Pesticides
6,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN Not Reported · 6IUCN VI · 3
Sredna gora
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
991 km²
Popintsi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
209 km²
Reka Stryama
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
41 km²
Yazovir Pyasachnik
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
32 km²
Reka Pyasachnik
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
14 km²
Complete list9 protected areas
- Sredna goraSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20211 103 km²
- Sredna goraSpecial Protection Area (Birds Directive)IUCN Not Reported2007991 km²
- PopintsiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2021209 km²
- Reka StryamaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202141 km²
- Yazovir PyasachnikSpecial Protection Area (Birds Directive)IUCN Not Reported200732 km²
- Reka PyasachnikSite of Community Importance (Habitats Directive)IUCN Not Reported200814 km²
- Dabite-Konska polianaProtected SiteIUCN VI19753 km²
- ChiviraProtected SiteIUCN VI19661 km²
- GerenaProtected SiteIUCN VI20070 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN