Ontologia

County · USA

Appomattox

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 502

Observations

76 693

Area

886,1km²

Ecological tissue

Sample of 38 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 Appomattox : 27 espèces reliées par 84 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
84
Connectance
0.113
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

1 502 distinct species · 76 693 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

76 693 obs · 27 cellules
Obs. / cellule
≥ 47 325
3 172–47 324
1 313–3 171
691–1 312
< 691

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

Climate

Mean T°

14,3°C

Annual rain

1 163mm

Warmest m°

30,8°C

Coldest m°

-1,3°C

Elevation: 204 m on average (min 140 m, max 279 m)

Bioclimatic detailsExpert
Annual mean temp.
14,3°C
Annual rain
1 163mm
Warmest month
30,8°C
Coldest month
-1,3°C
Mean alt.
204m
Min
140m
Max
279m
Std. dev.
26m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,2

Org. C

27,4g/kg

Clay

29,9%

Sand

32,3%

Silt

37,8%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
54,8g/kg
Clay
25,8%
Sand
34,8%
Silt
39,4%
5–15 cm
pH H₂O
5,2
Org. C
18,7g/kg
Clay
26,6%
Sand
34,2%
Silt
39,2%
15–30 cm
pH H₂O
5,2
Org. C
8,8g/kg
Clay
37,5%
Sand
27,9%
Silt
34,7%

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

Land cover

Forest64.8%
Crops7.3%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)27.2%

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

Hydrology5 basins · 2 lakes · 23 rivers

Hydrology metrics for this exact territory

Stream length here

209,3km

Lake surface here

0,18km²

Basins crossed

5

Max stream order

5

Max drainage

13 170km²

Discharge in basins

33,1m³/s

Mean precip.

1 095mm/an

Mean T°

13,1°C

Moisture idx

-0,09

Max snow

3%

Mean runoff

421mm/an

Mean elev. (basins)

225m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (23, ord ≥ 4)

11 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

34,9%

Pesticides

13,8kg/km²

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

Protected areas4

IUCN III · 2IUCN V · 2

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