Donau-March-Thaya-Auen
IUCN IIWetland of International Importance (Ramsar Site) · 1982
361 km²
District · CZE
Czechia
Species observed
5 608
Observations
349 768
Area
1 098,7km²
Sample of 31 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).
Tissu écologique de Břeclav : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 5 types (connectance 17.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
5 608 distinct species · 349 768 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,2°C
Annual rain
543mm
Warmest m°
25,7°C
Coldest m°
-3,9°C
Elevation: 201 m on average (min 152 m, max 369 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,9
Org. C
26,6g/kg
Clay
27,6%
Sand
28,6%
Silt
43,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
288,7km
Lake surface here
39,37km²
Basins crossed
10
Max stream order
6
Max drainage
24 149km²
Discharge in basins
82,4m³/s
Mean precip.
597mm/an
Mean T°
9,0°C
Moisture idx
-0,28
Max snow
19%
Mean runoff
117mm/an
Mean elev. (basins)
236m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
1,3nW
Built-up
104,9%
Pesticides
23,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 1982
361 km²
UNESCO-MAB Biosphere Reserve · 2003
349 km²
Special Protection Area (Birds Directive) · 2003
322 km²
Landscape Protection Area · 1982
189 km²
Special Protection Area (Birds Directive) · 1996
148 km²
Wetland of International Importance (Ramsar Site) · 1993
115 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN