District · RUS
Marksovskiy rayon
Russia
Species observed
508
Observations
751
Area
2 582,1km²
Ecological tissue
Sample of 11 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 Marksovskiy rayon : 6 espèces reliées par 12 interactions GloBI sur 4 types (connectance 21.8%, filtre Serrano α=0.2). 5 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
508 distinct species · 751 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,4°C
Annual rain
497mm
Warmest m°
27,2°C
Coldest m°
-12,2°C
Elevation: 65 m on average (min 14 m, max 136 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
7,1
Org. C
36,7g/kg
Clay
26,6%
Sand
28,2%
Silt
45,2%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 11 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
182,5km
Lake surface here
12,67km²
Basins crossed
9
Max stream order
5
Max drainage
1 315 886km²
Discharge in basins
3 076,2m³/s
Mean precip.
494mm/an
Mean T°
6,3°C
Moisture idx
-0,39
Max snow
31%
Mean runoff
121mm/an
Mean elev. (basins)
55m
Watersheds crossing here
- Bassin de Малый Караманsub-area919,2 km²overlap877.38 km²34%
- Bassin de Большой Иргизsub-area1 831,3 km²overlap408.01 km²16%
- Bassin de Волгаsub-area928,2 km²overlap349.46 km²14%
- Bassin de Мечеткаsub-area522 km²overlap313.13 km²12%
- Bassin de Большой Караманsub-area1 394,3 km²overlap307.43 km²12%
- Bassin de Большой Караманsub-area334,6 km²overlap188.38 km²7%
- Bassin de Миуссsub-area1 717,2 km²overlap67.04 km²3%
- Bassin de Большой Караманsub-area503 km²overlap60.92 km²2%
- Bassin de Большой Караманsub-area34,7 km²overlap10.33 km²0%
Lakes (11, top by area)
- Volgograd Reservoirarea2 613,4 km²avg depth12.1 m
- Малый Караманarea2,8 km²avg depth3.6 m
- Малый Караманarea2,6 km²avg depth3.3 m
- Lake #65672area1,4 km²avg depth1.5 m
- Lake #65875area1 km²avg depth0.7 m
- Lac 1332983area0,8 km²avg depth2.8 m
- Lac 1333231area0,7 km²avg depth2.8 m
- Lac 1332323area0,5 km²avg depth2.3 m
- Lac 1332142area0,4 km²avg depth1.8 m
Rivers / streams (9, ord ≥ 4)
- Малый Караманord 3len here54.08 km100%total54 km
- Большой Караманord 5len here34.32 km13%total261 km
- Мечеткаord 3len here28.28 km39%total72 km
- Маянгаord 3len here18.41 km23%total81 km
- Лизельord 2len here17.90 km100%total18 km
- Суслыord 5len here13.78 km38%total37 km
- Миуссord 4len here7.80 km8%total97 km
- Бителякord 3len here5.71 km77%total7 km
- Немецкая Воложкаord 3len here2.18 km32%total7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
10,0%
Pesticides
3,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)