Twin Arches
IUCN VState Natural Area
6 km²
County · USA
Pickett
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 629
Observations
20 227
Area
458km²
Ecological tissue
Sample of 42 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 Pickett : 32 espèces reliées par 106 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
106
Connectance
0.112
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
1 629 distinct species · 20 227 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,3°C
Annual rain
1 363mm
Warmest m°
29,6°C
Coldest m°
-1,0°C
Elevation: 322 m on average (min 201 m, max 503 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,3°C
Annual rain
1 363mm
Warmest month
29,6°C
Coldest month
-1,0°C
Mean alt.
322m
Min
201m
Max
503m
Std. dev.
85m
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
5,5
Org. C
29,5g/kg
Clay
22,7%
Sand
29,3%
Silt
48,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
51,9g/kg
Clay
20,7%
Sand
30,4%
Silt
48,9%
5–15 cm
pH H₂O
5,5
Org. C
24,5g/kg
Clay
21,8%
Sand
29,6%
Silt
48,6%
15–30 cm
pH H₂O
5,5
Org. C
12,0g/kg
Clay
25,5%
Sand
27,9%
Silt
46,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest71.8%
Crops7.5%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)20.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
99,1km
Lake surface here
24,15km²
Basins crossed
4
Max stream order
4
Max drainage
2 936km²
Discharge in basins
10,2m³/s
Mean precip.
1 369mm/an
Mean T°
13,0°C
Moisture idx
0,12
Max snow
2%
Mean runoff
563mm/an
Mean elev. (basins)
374m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (9, ord ≥ 4)
- Obey Riverord 6len here45.19 km47%total95 km
- Wolf Riverord 4len here37.99 km9%total432 km
- East Fork Obey Riverord 3len here7.68 km27%total29 km
- Ashburn Creekord 2len here3.95 km32%total12 km
- Rotten Fork Wolf Riverord 2len here2.07 km26%total8 km
- Rock Creekord 8len here0.67 km0%total2074 km
- Stokes Creekord 1len here0.65 km13%total5 km
- Middle Creekord 4len here0.64 km0%total488 km
- Little South Forkord 3len here0.30 km0%total87 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
37,1%
Pesticides
11,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 3
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN