Ontologia

County · USA

Venango

United States

DfbCold, no dry season, warm summer(98 %)

Species observed

2 678

Observations

109 416

Area

1 776,8km²

Ecological tissue

Sample of 32 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 Venango : 21 espèces reliées par 62 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
62
Connectance
0.111
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

2 678 distinct species · 109 416 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

109 416 obs · 47 cellules
Obs. / cellule
≥ 15 644
5 207–15 643
1 869–5 206
1 033–1 868
< 1 033

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

Climate

Mean T°

9,0°C

Annual rain

1 273mm

Warmest m°

25,7°C

Coldest m°

-7,7°C

Elevation: 423 m on average (min 321 m, max 503 m)

Bioclimatic detailsExpert
Annual mean temp.
9,0°C
Annual rain
1 273mm
Warmest month
25,7°C
Coldest month
-7,7°C
Mean alt.
423m
Min
321m
Max
503m
Std. dev.
35m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(98 %)Cold

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

66,6g/kg

Clay

23,2%

Sand

24,7%

Silt

52,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
146,5g/kg
Clay
22,7%
Sand
24,9%
Silt
52,4%
5–15 cm
pH H₂O
5,0
Org. C
36,2g/kg
Clay
23,1%
Sand
24,7%
Silt
52,2%
15–30 cm
pH H₂O
5,0
Org. C
17,1g/kg
Clay
23,9%
Sand
24,6%
Silt
51,5%

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

Land cover

Forest80.9%
Crops5.3%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)13.2%

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

Hydrology8 basins · 2 lakes · 38 rivers

Hydrology metrics for this exact territory

Stream length here

494,6km

Lake surface here

1,06km²

Basins crossed

8

Max stream order

5

Max drainage

16 531km²

Discharge in basins

649,0m³/s

Mean precip.

1 114mm/an

Mean T°

8,2°C

Moisture idx

0,10

Max snow

13%

Mean runoff

582mm/an

Mean elev. (basins)

437m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (38, ord ≥ 4)

26 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

44,3%

Pesticides

7,2kg/km²

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

Protected areas14

IUCN V · 8IUCN Not Assigned · 6
Complete list

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