Ontologia

County · USA

Mellette

United States

DfaCold, no dry season, hot summer(75 %)

Species observed

466

Observations

4 867

Area

3 399,7km²

Ecological tissue

Sample of 34 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 Mellette : 22 espèces reliées par 121 interactions GloBI sur 4 types (connectance 21.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
121
Connectance
0.216
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

466 distinct species · 4 867 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 867 obs · 76 cellules
Obs. / cellule
≥ 682
157–681
55–156
28–54
< 28

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

Climate

Mean T°

9,2°C

Annual rain

517mm

Warmest m°

31,2°C

Coldest m°

-8,6°C

Elevation: 681 m on average (min 508 m, max 842 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
517mm
Warmest month
31,2°C
Coldest month
-8,6°C
Mean alt.
681m
Min
508m
Max
842m
Std. dev.
62m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(75 %)Cold

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

Soil & lithology

pH H₂O

7,2

Org. C

19,1g/kg

Clay

38,1%

Sand

21,6%

Silt

40,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
27,6g/kg
Clay
36,6%
Sand
22,2%
Silt
41,2%
5–15 cm
pH H₂O
7,2
Org. C
18,2g/kg
Clay
38,4%
Sand
21,5%
Silt
40,1%
15–30 cm
pH H₂O
7,3
Org. C
11,4g/kg
Clay
39,4%
Sand
21,2%
Silt
39,4%

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

Land cover

Forest6.4%
Crops34.8%
Built-up0.0%
Bare soil2.5%
Other (grassland, water…)56.3%

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

Hydrology10 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

248,3km

Basins crossed

10

Max stream order

5

Max drainage

23 060km²

Discharge in basins

24,8m³/s

Mean precip.

471mm/an

Mean T°

8,8°C

Moisture idx

-0,58

Max snow

11%

Mean runoff

48mm/an

Mean elev. (basins)

692m

Watersheds crossing here

1 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,7%

Pesticides

7,6kg/km²

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