Ontologia

Republic · rus

Mariy-El

Russia

DfbCold, no dry season, warm summer(100 %)

Species observed

2 551

Observations

23 826

Area

23 528,9km²

Ecological tissue

Sample of 27 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 Mariy-El : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
61
Connectance
0.161
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

2 551 distinct species · 23 826 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 826 obs · 363 cellules
Obs. / cellule
≥ 909
144–908
29–143
8–28
< 8

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

4,0°C

Annual rain

581mm

Warmest m°

23,4°C

Coldest m°

-13,5°C

Elevation: 123 m on average (min 51 m, max 259 m)

Bioclimatic detailsExpert
Annual mean temp.
4,0°C
Annual rain
581mm
Warmest month
23,4°C
Coldest month
-13,5°C
Mean alt.
123m
Min
51m
Max
259m
Std. dev.
37m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

60,7g/kg

Clay

23,7%

Sand

42,0%

Silt

34,3%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
91,8g/kg
Clay
22,8%
Sand
42,0%
Silt
35,2%
5–15 cm
pH H₂O
5,5
Org. C
55,5g/kg
Clay
23,6%
Sand
42,2%
Silt
34,1%
15–30 cm
pH H₂O
5,6
Org. C
34,8g/kg
Clay
24,8%
Sand
41,8%
Silt
33,4%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest55.0%
Crops17.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)27.6%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology49 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 832,2km

Lake surface here

521,87km²

Basins crossed

49

Max stream order

8

Max drainage

631 295km²

Discharge in basins

13 775,8m³/s

Mean precip.

576mm/an

Mean T°

3,3°C

Moisture idx

-0,07

Max snow

48%

Mean runoff

129mm/an

Mean elev. (basins)

125m

Watersheds crossing here

40 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

11,2%

Pesticides

3,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas50

IUCN III · 33IUCN IV · 13IUCN Not Reported · 3IUCN II · 1

Kama-Bakaldino mires

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1994

2 243 km²

Kilemarskij

IUCN IV

State Natural Zakaznik · 2007

373 km²

SHorskij

IUCN IV

State Natural Zakaznik · 2019

108 km²

Morkinskij

IUCN IV

State Natural Zakaznik · 2002

98 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations15