Tsentralen Balkan - bufer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
1 384 km²
Municipality · BGR
Troyan
Bulgaria
DfbCold, no dry season, warm summer(78 %)
Species observed
738
Observations
4 765
Area
886,7km²
Ecological tissue
Sample of 32 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 Troyan : 21 espèces reliées par 109 interactions GloBI sur 4 types (connectance 22.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
109
Connectance
0.220
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
738 distinct species · 4 765 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,3°C
Annual rain
883mm
Warmest m°
23,6°C
Coldest m°
-5,5°C
Elevation: 732 m on average (min 312 m, max 2 016 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,3°C
Annual rain
883mm
Warmest month
23,6°C
Coldest month
-5,5°C
Mean alt.
732m
Min
312m
Max
2 016m
Std. dev.
301m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(78 %)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
40,9g/kg
Clay
31,4%
Sand
31,5%
Silt
37,1%
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
6,0
Org. C
69,3g/kg
Clay
30,6%
Sand
32,3%
Silt
37,0%
5–15 cm
pH H₂O
6,1
Org. C
29,4g/kg
Clay
31,2%
Sand
32,3%
Silt
36,5%
15–30 cm
pH H₂O
6,1
Org. C
23,9g/kg
Clay
32,4%
Sand
29,9%
Silt
37,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest70.4%
Crops8.7%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)20.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 1 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
174,6km
Lake surface here
1,82km²
Basins crossed
7
Max stream order
4
Max drainage
3 077km²
Discharge in basins
6,6m³/s
Mean precip.
657mm/an
Mean T°
8,6°C
Moisture idx
-0,24
Max snow
20%
Mean runoff
202mm/an
Mean elev. (basins)
689m
Watersheds crossing here
- Bassin de Осъмsub-area1 177,3 km²overlap234.66 km²26%
- Bassin de Бели Осъмsub-area241,4 km²overlap229.45 km²26%
- Bassin de Черни Осъмsub-area224,3 km²overlap188.07 km²21%
- Bassin de Видимаsub-area576,6 km²overlap138.38 km²16%
- Bassin de Витsub-area3 076,7 km²overlap87.33 km²10%
- Bassin de Росицаsub-area1 244,2 km²overlap7.03 km²1%
- Bassin de Стрямаsub-area1 563,8 km²overlap1.82 km²0%
Lakes (1, top by area)
Rivers / streams (20, ord ≥ 4)
- Бели Осъмord 3len here24.21 km100%total24 km
- Черни Осъмord 3len here20.29 km85%total24 km
- Суха рекаord 4len here17.62 km12%total143 km
- Осъмord 8len here17.56 km5%total321 km
- Команска рекаord 1len here14.10 km100%total14 km
- Ръждавецord 2len here9.93 km100%total10 km
- Калникord 4len here9.88 km23%total43 km
- Видимаord 3len here9.84 km21%total47 km
- Зеленикаord 2len here6.84 km100%total7 km
- Кнежаord 1len here6.70 km100%total7 km
- Малка рибнаord 3len here6.53 km100%total7 km
- Зла рекаord 2len here5.45 km25%total22 km
8 more river segmentssorted by Strahler order + length
- Жеравицаord 1len here5.28 km100%total5 km
- Зеленишки долord 2len here5.05 km100%total5 km
- Голямата рекаord 1len here4.69 km100%total5 km
- Ломецord 1len here4.27 km100%total4 km
- Гребешницаord 1len here1.89 km100%total2 km
- Дъскотинаord 1len here1.87 km100%total2 km
- Дебелшницаord 1len here1.73 km100%total2 km
- Топляord 1len here0.86 km100%total1 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
35,5%
Pesticides
3,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas22
IUCN Not Reported · 9IUCN III · 5IUCN VI · 3IUCN Ia · 2IUCN Not Applicable · 1IUCN II · 1IUCN Not Assigned · 1🌊 Marine · 1
Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2007
924 km²
Tsentralen Balkan bufer
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2011
720 km²
Tsentralen Balkan
IUCN IINational Park · 1991
717 km²
Tsentralen Balkan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
717 km²
Tsentralen Balkan
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
717 km²
Complete list22 protected areas
- Tsentralen Balkan - buferSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20211 384 km²
- Ancient and Primeval Beech Forests of the Carpathians and Other Regions of EuropeWorld Heritage Site (natural or mixed)IUCN Not Applicable2007924 km²
- Tsentralen Balkan buferSpecial Protection Area (Birds Directive)IUCN Not Reported2011720 km²
- Tsentralen BalkanNational ParkIUCN II1991717 km²
- Tsentralen BalkanSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2021717 km²
- Tsentralen BalkanSpecial Protection Area (Birds Directive)IUCN Not Reported2007717 km²
- Vasilyovska planinaSpecial Protection Area (Birds Directive)IUCN Not Reported2007455 km²
- RusalkaState Game HusbandriesIUCN Not Assigned2002239 km²
- MikreSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2020154 km²
- MikreSpecial Protection Area (Birds Directive)IUCN Not Reported2007124 km²
- StenetoStrict Nature ReserveIUCN Ia197936 km²
- VelchevoSpecial Protection Area (Birds Directive)IUCN Not Reported200723 km²
- VidimaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202118 km²
- Kozia stenaStrict Nature ReserveIUCN Ia19879 km²
- ShumnatitsaProtected SiteIUCN VI19870 km²
- Mikrenska usoynaProtected SiteIUCN VI19710 km²
- Peshtepa TopliaNatural MonumentIUCN III19720 km²
- Dragoychev kamakProtected SiteIUCN VI19640 km²
- Vodopad Banovski skokNatural MonumentIUCN III19650 km²
- Vodopad Brambar skokNatural MonumentIUCN III19650 km²
- Vodopad LoposhnitzaNatural MonumentIUCN III19650 km²
- Vodopad KomanNatural MonumentIUCN III19650 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN