Great Dismal Swamp
IUCN IVNational Wildlife Refuge
461 km²
County · USA
Pasquotank
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
850
Observations
12 023
Area
591,3km²
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 Pasquotank : 26 espèces reliées par 87 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
87
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
850 distinct species · 12 023 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,9°C
Annual rain
1 300mm
Warmest m°
30,0°C
Coldest m°
2,2°C
Elevation: 3 m on average (min -2 m, max 5 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,9°C
Annual rain
1 300mm
Warmest month
30,0°C
Coldest month
2,2°C
Mean alt.
3m
Min
-2m
Max
5m
Std. dev.
1m
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
4,9
Org. C
56,2g/kg
Clay
21,6%
Sand
37,0%
Silt
41,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,8
Org. C
85,5g/kg
Clay
20,2%
Sand
37,9%
Silt
41,9%
5–15 cm
pH H₂O
4,9
Org. C
45,7g/kg
Clay
20,1%
Sand
37,9%
Silt
42,1%
15–30 cm
pH H₂O
4,9
Org. C
37,4g/kg
Clay
24,4%
Sand
35,3%
Silt
40,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.8%
Crops37.9%
Built-up1.0%
Bare soil0.2%
Other (grassland, water…)22.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
82,0km
Basins crossed
4
Max stream order
3
Max drainage
1 032km²
Discharge in basins
5,0m³/s
Mean precip.
1 221mm/an
Mean T°
15,5°C
Moisture idx
0,03
Max snow
1%
Mean runoff
487mm/an
Mean elev. (basins)
8m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- Pasquotank Riverord 3len here31.11 km51%total61 km
- Little Riverord 2len here21.03 km64%total33 km
- Knobbs Creekord 1len here9.21 km100%total9 km
- Wilson Creekord 1len here6.60 km100%total7 km
- Weyerhaeuser Ditchord 1len here5.06 km47%total11 km
- Newbegun Creekord 2len here4.35 km99%total4 km
- Symonds Creekord 1len here2.41 km100%total2 km
- Charles Creekord 1len here1.95 km92%total2 km
- Big Flatty Creekord 1len here0.31 km56%total1 km
- Dismal Swamp Canalord 1len here0.01 km0%total18 km
- Sawyers Creekord 3len here0.01 km0%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
2,4nW
Built-up
102,9%
Pesticides
47,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Assigned · 2IUCN IV · 1IUCN V · 1
Wetlands Reserve Program (WRP), Pasquotank, NC
IUCN VReserve Program · 1996
0 km²
Carper-Harris
IUCN Not AssignedWetland · 2003
0 km²
Adams Landing
IUCN Not AssignedConservation Easement · 2004
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN