Ludogorie
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
914 km²
City · BGR
Silistra
Bulgaria
CfaTemperate, no dry season, hot summer(63 %)
Species observed
938
Observations
20 011
Area
515,6km²
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 Silistra : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
69
Connectance
0.123
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
938 distinct species · 20 011 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,9°C
Annual rain
561mm
Warmest m°
27,6°C
Coldest m°
-3,1°C
Elevation: 100 m on average (min 8 m, max 216 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,9°C
Annual rain
561mm
Warmest month
27,6°C
Coldest month
-3,1°C
Mean alt.
100m
Min
8m
Max
216m
Std. dev.
41m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(63 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
24,0g/kg
Clay
42,5%
Sand
6,3%
Silt
51,1%
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
7,1
Org. C
38,5g/kg
Clay
42,4%
Sand
6,4%
Silt
51,2%
5–15 cm
pH H₂O
7,1
Org. C
18,0g/kg
Clay
43,6%
Sand
6,0%
Silt
50,4%
15–30 cm
pH H₂O
7,2
Org. C
15,6g/kg
Clay
41,6%
Sand
6,6%
Silt
51,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.5%
Crops67.2%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)19.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
40,2km
Lake surface here
1,49km²
Basins crossed
3
Max stream order
8
Max drainage
674 120km²
Discharge in basins
1 127,9m³/s
Mean precip.
534mm/an
Mean T°
11,0°C
Moisture idx
-0,42
Max snow
11%
Mean runoff
131mm/an
Mean elev. (basins)
112m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,5nW
Built-up
75,7%
Pesticides
6,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas25
IUCN Not Reported · 15IUCN VI · 5IUCN IV · 2IUCN Not Applicable · 2IUCN Not Assigned · 1
Karakuz
IUCN Not AssignedState Game Husbandries · 2002
810 km²
Ludogorie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2020
595 km²
Harsovska reka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2020
368 km²
Harsovska reka
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
354 km²
Canaralele Dunării
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
261 km²
Complete list25 protected areas
- LudogorieSpecial Protection Area (Birds Directive)IUCN Not Reported2007914 km²
- KarakuzState Game HusbandriesIUCN Not Assigned2002810 km²
- LudogorieSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2020595 km²
- Harsovska rekaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2020368 km²
- Harsovska rekaSpecial Protection Area (Birds Directive)IUCN Not Reported2007354 km²
- Canaralele DunăriiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2022261 km²
- Dunăre - OstroaveSpecial Protection Area (Birds Directive)IUCN Not Reported2007162 km²
- Oltenița - UlmeniSpecial Protection Area (Birds Directive)IUCN Not Reported2011124 km²
- Oltenița - Mostiștea - ChiciuSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2024115 km²
- Pozharevo - GarvanSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202063 km²
- Ludogorie - SrebarnaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202152 km²
- Pădurea Eseschioi - Lacul BugeacSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202229 km²
- SrébarnaWetland of International Importance (Ramsar Site)IUCN IV197515 km²
- SrebarnaSpecial Protection Area (Birds Directive)IUCN Not Reported200714 km²
- SrebarnaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202114 km²
- Réserve SrébarnaUNESCO-MAB Biosphere ReserveIUCN Not Applicable197711 km²
- SrebarnaManaged ReserveIUCN IV19489 km²
- Ciocănești - DunăreSpecial Protection Area (Birds Directive)IUCN Not Reported20078 km²
- Srebarna Nature ReserveWorld Heritage Site (natural or mixed)IUCN Not Applicable19836 km²
- Ostrov ChaykaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20205 km²
- PelikaniteProtected SiteIUCN VI19834 km²
- Malak KanagiolProtected SiteIUCN VI20054 km²
- Esetrite - VetrenProtected SiteIUCN VI20223 km²
- PametnikaProtected SiteIUCN VI19730 km²
- Medjit TabiaProtected SiteIUCN VI19680 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN