Ontologia

County · USA

Ritchie

United States

CfaTemperate, no dry season, hot summer(99 %)

Species observed

1 400

Observations

61 137

Area

1 175,9km²

Ecological tissue

Sample of 37 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 Ritchie : 25 espèces reliées par 73 interactions GloBI sur 4 types (connectance 10.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
73
Connectance
0.104
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

1 400 distinct species · 61 137 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

61 137 obs · 32 cellules
Obs. / cellule
≥ 45 628
867–45 627
244–866
141–243
< 141

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

Climate

Mean T°

12,2°C

Annual rain

1 181mm

Warmest m°

28,0°C

Coldest m°

-3,7°C

Elevation: 290 m on average (min 217 m, max 348 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
1 181mm
Warmest month
28,0°C
Coldest month
-3,7°C
Mean alt.
290m
Min
217m
Max
348m
Std. dev.
23m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(99 %)Temperate

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

Soil & lithology

pH H₂O

5,0

Org. C

62,9g/kg

Clay

28,8%

Sand

21,8%

Silt

49,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
138,0g/kg
Clay
28,2%
Sand
22,1%
Silt
49,6%
5–15 cm
pH H₂O
5,0
Org. C
36,9g/kg
Clay
28,3%
Sand
22,1%
Silt
49,7%
15–30 cm
pH H₂O
5,1
Org. C
13,7g/kg
Clay
29,9%
Sand
21,3%
Silt
48,8%

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

Land cover

Forest89.0%
Crops3.4%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)7.4%

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

Hydrology8 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

205,9km

Basins crossed

8

Max stream order

4

Max drainage

69 573km²

Discharge in basins

23,7m³/s

Mean precip.

1 125mm/an

Mean T°

11,1°C

Moisture idx

-0,02

Max snow

3%

Mean runoff

410mm/an

Mean elev. (basins)

297m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

16,2%

Pesticides

0,8kg/km²

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

Protected areas6

IUCN V · 5IUCN III · 1

Sand Hill

IUCN V

Wildlife Management Area

12 km²

Toll Gate

IUCN V

Wildlife Management Area · 2018

4 km²

Murphy

IUCN V

Preserve · 1967

1 km²

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