Tundzha
IUCN Not AssignedState Game Husbandries · 2023
1 986 km²
Municipality · BGR
Tundzha
Bulgaria
CfaTemperate, no dry season, hot summer(100 %)
Species observed
540
Observations
8 510
Area
1 217,3km²
Ecological tissue
Sample of 35 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 Tundzha : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 4 types (connectance 12.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
73
Connectance
0.123
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
540 distinct species · 8 510 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
533mm
Warmest m°
28,6°C
Coldest m°
-1,9°C
Elevation: 175 m on average (min 113 m, max 408 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
533mm
Warmest month
28,6°C
Coldest month
-1,9°C
Mean alt.
175m
Min
113m
Max
408m
Std. dev.
45m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
21,2g/kg
Clay
38,5%
Sand
20,1%
Silt
41,4%
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
34,2g/kg
Clay
37,0%
Sand
20,8%
Silt
42,2%
5–15 cm
pH H₂O
7,0
Org. C
16,7g/kg
Clay
38,5%
Sand
20,1%
Silt
41,4%
15–30 cm
pH H₂O
7,0
Org. C
12,7g/kg
Clay
39,9%
Sand
19,3%
Silt
40,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.9%
Crops74.0%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)16.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 10 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
97,8km
Lake surface here
4,33km²
Basins crossed
7
Max stream order
5
Max drainage
5 632km²
Discharge in basins
19,1m³/s
Mean precip.
612mm/an
Mean T°
12,0°C
Moisture idx
-0,40
Max snow
5%
Mean runoff
100mm/an
Mean elev. (basins)
197m
Watersheds crossing here
- Bassin de Калницаsub-area852,3 km²overlap457.82 km²38%
- Bassin de Тунджаsub-area805,5 km²overlap452.59 km²37%
- Bassin de Овчарицаsub-area646,2 km²overlap131.98 km²11%
- Bassin de Мочурицаsub-area1 275 km²overlap84.18 km²7%
- Bassin de Тунджаsub-area901,3 km²overlap76.61 km²6%
- Bassin de Блатницаsub-area652,1 km²overlap8.24 km²1%
- Bassin de Средецкаsub-area2 431,3 km²overlap5.84 km²0%
Lakes (10, top by area)
- Ovtcharitza Reservoirarea7,4 km²avg depth6.1 m
- Lac 1364491area0,6 km²avg depth4.4 m
- Lac 1364391area0,2 km²avg depth3.2 m
- Lac 1364372area0,2 km²avg depth2.7 m
- Lac 1364450area0,2 km²avg depth3.1 m
- Lac 1364274area0,1 km²avg depth4.2 m
- Lac 1364523area0,1 km²avg depth3.6 m
- Lac 1364397area0,1 km²avg depth2.0 m
- Lac 1364458area0,1 km²avg depth2.3 m
1 more lakes
Rivers / streams (3, 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
33,4%
Pesticides
5,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas16
IUCN Not Reported · 10IUCN VI · 3IUCN Not Assigned · 1IUCN Ia · 1IUCN III · 1
Sakar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
1 322 km²
Sakar
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
1 257 km²
Reka Tundzha 1
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
95 km²
Reka Mochuritsa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
87 km²
Sveti Iliyski vazvishenia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
85 km²
Complete list16 protected areas
- TundzhaState Game HusbandriesIUCN Not Assigned20231 986 km²
- SakarSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20211 322 km²
- SakarSpecial Protection Area (Birds Directive)IUCN Not Reported20071 257 km²
- Reka Tundzha 1Special Areas of Conservation (Habitats Directive)IUCN Not Reported202195 km²
- Reka MochuritsaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202187 km²
- Sveti Iliyski vazvisheniaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202185 km²
- Reka Tundzha 2Special Areas of Conservation (Habitats Directive)IUCN Not Reported202160 km²
- Adata - TundzhaSpecial Protection Area (Birds Directive)IUCN Not Reported200756 km²
- BakadzhitsiteSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202145 km²
- Yazovir OvcharitsaSpecial Protection Area (Birds Directive)IUCN Not Reported200743 km²
- Reka OvcharitsaSite of Community Importance (Habitats Directive)IUCN Not Reported20087 km²
- LongoziteProtected SiteIUCN VI20072 km²
- Gorna TopchiaStrict Nature ReserveIUCN Ia19512 km²
- Debelata koria - s. TenevoProtected SiteIUCN VI19800 km²
- Turnavski BakadzhikProtected SiteIUCN VI20130 km²
- TetrolikaNatural MonumentIUCN III19870 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN