County · USA
Vance
United States
Species observed
1 188
Observations
30 346
Area
696,8km²
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).
Indicateurs du tissu écologique
Tissu écologique de Vance : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 188 distinct species · 30 346 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,4°C
Annual rain
1 164mm
Warmest m°
31,0°C
Coldest m°
0,4°C
Elevation: 120 m on average (min 79 m, max 155 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
22,7g/kg
Clay
22,7%
Sand
39,3%
Silt
38,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 2 lakes · 26 rivers
Hydrology metrics for this exact territory
Stream length here
170,5km
Lake surface here
41,03km²
Basins crossed
5
Max stream order
4
Max drainage
20 107km²
Discharge in basins
68,5m³/s
Mean precip.
1 123mm/an
Mean T°
14,5°C
Moisture idx
-0,12
Max snow
2%
Mean runoff
421mm/an
Mean elev. (basins)
103m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (26, ord ≥ 4)
- Nutbush Creekord 3len here24.12 km94%total26 km
- Island Creekord 2len here19.80 km70%total28 km
- Flat Creekord 2len here19.18 km40%total48 km
- Ruin Creekord 2len here12.96 km100%total13 km
- Tabbs Creekord 3len here12.17 km57%total22 km
- Sandy Creekord 3len here11.87 km18%total67 km
- Anderson Creekord 1len here8.49 km100%total9 km
- Little Nutbush Creekord 1len here7.78 km100%total8 km
- Martin Creekord 2len here7.72 km100%total8 km
- Long Creekord 1len here7.54 km100%total8 km
- Michael Creekord 1len here6.25 km72%total9 km
- Buffalo Creekord 1len here5.39 km38%total14 km
14 more river segmentssorted by Strahler order + length
- Mill Creekord 6len here4.21 km6%total67 km
- Tar Riverord 5len here3.91 km1%total311 km
- Crooked Runord 1len here2.87 km100%total3 km
- Gilliams Branchord 1len here2.47 km81%total3 km
- Dodson Creekord 1len here2.27 km100%total2 km
- Fishing Creekord 4len here2.19 km2%total145 km
- Joes Branchord 1len here2.02 km100%total2 km
- Lynch Creekord 3len here1.95 km13%total15 km
- Gills Creekord 2len here1.75 km4%total39 km
- Poplar Creekord 1len here1.62 km36%total5 km
- Gills Little Mill Creekord 1len here0.70 km31%total2 km
- Little Ruin Creekord 1len here0.69 km101%total1 km
- Roanoke Riverord 6len here0.53 km0%total498 km
- Gibbs Creekord 1len here≈ tangenttotal5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,8nW
Built-up
101,7%
Pesticides
10,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)