Ontologia

District · RUS

Marevskiy rayon

Russia

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

Species observed

204

Observations

271

Area

1 743,1km²

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Marevskiy rayon : 35 espèces reliées par 89 interactions GloBI sur 6 types (connectance 9.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
89
Connectance
0.094
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

204 distinct species · 271 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

271 obs · 17 cellules
Obs. / cellule
≥ 182
22–181
6–21
2–5
< 2

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

Climate

Mean T°

5,2°C

Annual rain

788mm

Warmest m°

21,5°C

Coldest m°

-9,7°C

Elevation: 165 m on average (min 62 m, max 288 m)

Bioclimatic detailsExpert
Annual mean temp.
5,2°C
Annual rain
788mm
Warmest month
21,5°C
Coldest month
-9,7°C
Mean alt.
165m
Min
62m
Max
288m
Std. dev.
63m
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

5,3

Org. C

107,0g/kg

Clay

16,3%

Sand

46,7%

Silt

37,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
148,4g/kg
Clay
16,1%
Sand
46,0%
Silt
37,9%
5–15 cm
pH H₂O
5,3
Org. C
111,3g/kg
Clay
15,9%
Sand
46,8%
Silt
37,4%
15–30 cm
pH H₂O
5,4
Org. C
61,4g/kg
Clay
17,0%
Sand
47,4%
Silt
35,7%

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

Land cover

Forest81.2%
Crops5.3%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)13.5%

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

Hydrology4 basins · 17 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

426,6km

Lake surface here

3,76km²

Basins crossed

4

Max stream order

4

Max drainage

3 787km²

Discharge in basins

15,5m³/s

Mean precip.

644mm/an

Mean T°

3,9°C

Moisture idx

0,03

Max snow

47%

Mean runoff

282mm/an

Mean elev. (basins)

165m

Watersheds crossing here

Lakes (17, top by area)

8 more lakes

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,3%

Pesticides

1,6kg/km²

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

Protected areas9

IUCN III · 5IUCN IV · 3IUCN Not Reported · 1
Complete list

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