Ontologia

County · USA

Pittsylvania

United States

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

Species observed

1 734

Observations

83 053

Area

2 543,1km²

Ecological tissue

Sample of 40 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 Pittsylvania : 29 espèces reliées par 82 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
82
Connectance
0.100
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

1 734 distinct species · 83 053 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

83 053 obs · 78 cellules
Obs. / cellule
≥ 23 313
1 265–23 312
779–1 264
434–778
< 434

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

Climate

Mean T°

14,7°C

Annual rain

1 155mm

Warmest m°

31,1°C

Coldest m°

-0,6°C

Elevation: 216 m on average (min 116 m, max 407 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
1 155mm
Warmest month
31,1°C
Coldest month
-0,6°C
Mean alt.
216m
Min
116m
Max
407m
Std. dev.
40m
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

5,3

Org. C

25,0g/kg

Clay

24,8%

Sand

38,0%

Silt

37,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
48,8g/kg
Clay
21,6%
Sand
40,0%
Silt
38,4%
5–15 cm
pH H₂O
5,3
Org. C
17,9g/kg
Clay
21,7%
Sand
39,7%
Silt
38,5%
15–30 cm
pH H₂O
5,3
Org. C
8,2g/kg
Clay
31,2%
Sand
34,1%
Silt
34,7%

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

Land cover

Forest62.8%
Crops8.5%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)27.7%

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

Hydrology8 basins · 5 lakes · 86 rivers

Hydrology metrics for this exact territory

Stream length here

640,2km

Lake surface here

13,49km²

Basins crossed

8

Max stream order

5

Max drainage

7 232km²

Discharge in basins

95,8m³/s

Mean precip.

1 105mm/an

Mean T°

13,7°C

Moisture idx

-0,11

Max snow

3%

Mean runoff

394mm/an

Mean elev. (basins)

214m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (86, ord ≥ 4)

74 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

51,1%

Pesticides

10,4kg/km²

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

Protected areas1

IUCN Not Assigned · 1

Pit-Vof-4061

IUCN Not Assigned

Conservation Easement · 2015

0 km²

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