District · RUS
Kalachevskiy rayon
Russia
Species observed
898
Observations
2 537
Area
4 125,4km²
Ecological tissue
Sample of 42 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).
Indicateurs du tissu écologique
Tissu écologique de Kalachevskiy rayon : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
898 distinct species · 2 537 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,6°C
Annual rain
419mm
Warmest m°
28,6°C
Coldest m°
-8,9°C
Elevation: 102 m on average (min 34 m, max 233 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
32,9g/kg
Clay
28,4%
Sand
31,2%
Silt
40,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 14 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
462,9km
Lake surface here
32,23km²
Basins crossed
9
Max stream order
7
Max drainage
1 360 685km²
Discharge in basins
580,2m³/s
Mean precip.
379mm/an
Mean T°
8,3°C
Moisture idx
-0,56
Max snow
20%
Mean runoff
36mm/an
Mean elev. (basins)
97m
Watersheds crossing here
- Bassin de Волго-Донской каналsub-area2 240,9 km²overlap1298.72 km²31%
- Bassin de Донская царицаsub-area1 584,4 km²overlap1265.42 km²31%
- Bassin de Донsub-area2 109,4 km²overlap966.48 km²23%
- Bassin de Мышковаsub-area1 469,3 km²overlap187.41 km²5%
- Bassin de Донsub-area545,5 km²overlap168.98 km²4%
- Bassin de Лискаsub-area1 601 km²overlap106.04 km²3%
- Bassin de Сухая Перекопкаsub-area402,5 km²overlap85.59 km²2%
- Bassin de Волгаsub-area2 502,2 km²overlap28.85 km²1%
- Bassin de Донsub-area235,1 km²overlap17.89 km²0%
Lakes (14, top by area)
- Varvarovskoye Vodokhranilishchearea17,7 km²avg depth2.3 m
- Bereslavskoye Vodokhranilishchearea10,5 km²avg depth3.2 m
- Lake #68141area1,1 km²avg depth0.9 m
- Lac 1344257area0,9 km²avg depth2.8 m
- Lac 1344045area0,9 km²avg depth2.4 m
- Lac 1344135area0,5 km²avg depth2.2 m
- Lac 1345855area0,2 km²avg depth1.5 m
- Lac 1344738area0,2 km²avg depth1.6 m
- Lac 1344521area0,2 km²avg depth1.6 m
Rivers / streams (9, ord ≥ 4)
- Донская царицаord 7len here126.24 km67%total187 km
- Донord 7len here79.25 km3%total2926 km
- Волго-Донской каналord 4len here72.62 km83%total88 km
- Червлёнаяord 3len here40.88 km53%total77 km
- Большая Голубаяord 3len here40.84 km87%total47 km
- Мышковаord 3len here33.82 km15%total223 km
- Россошкаord 3len here32.99 km29%total115 km
- Карповкаord 4len here27.87 km36%total77 km
- Сухая Перекопкаord 3len here8.44 km24%total36 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
10,7%
Pesticides
3,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)