South Quay Sandhills
IUCN VState Natural Area Preserve · 2009
2 km²
County · USA
Hertford
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 237
Observations
25 227
Area
928,7km²
Ecological tissue
Sample of 47 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 Hertford : 38 espèces reliées par 97 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
47
Interactions affichées
97
Connectance
0.090
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
1 237 distinct species · 25 227 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,9°C
Annual rain
1 240mm
Warmest m°
30,9°C
Coldest m°
1,3°C
Elevation: 13 m on average (min -4 m, max 28 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,9°C
Annual rain
1 240mm
Warmest month
30,9°C
Coldest month
1,3°C
Mean alt.
13m
Min
-4m
Max
28m
Std. dev.
6m
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
39,5g/kg
Clay
16,1%
Sand
55,7%
Silt
28,3%
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
79,4g/kg
Clay
14,9%
Sand
56,2%
Silt
28,8%
5–15 cm
pH H₂O
4,9
Org. C
26,6g/kg
Clay
15,3%
Sand
56,4%
Silt
28,3%
15–30 cm
pH H₂O
4,9
Org. C
12,6g/kg
Clay
17,9%
Sand
54,4%
Silt
27,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest62.4%
Crops16.0%
Built-up0.5%
Bare soil0.2%
Other (grassland, water…)20.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 1 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
243,1km
Lake surface here
0,21km²
Basins crossed
10
Max stream order
5
Max drainage
11 996km²
Discharge in basins
244,8m³/s
Mean precip.
1 189mm/an
Mean T°
15,0°C
Moisture idx
-0,05
Max snow
2%
Mean runoff
471mm/an
Mean elev. (basins)
23m
Watersheds crossing here
- Bassin de Ahoskie Creeksub-area767,8 km²overlap387.21 km²42%
- Bassin de Potecasi Creeksub-area608,4 km²overlap213.06 km²23%
- Bassin de Meherrin Riversub-area816,1 km²overlap176.46 km²19%
- Bassin de Chowan Riversub-area278,3 km²overlap57.35 km²6%
- Bassin de Chowan Riversub-area110,7 km²overlap30.54 km²3%
- Bassin de Goose Creeksub-area35,3 km²overlap24.58 km²3%
- Bassin de Cashie Riversub-area1 069,2 km²overlap19.41 km²2%
- Bassin de Nottoway Riversub-area2 302,5 km²overlap16.22 km²2%
- Bassin de Potecasi Creeksub-area3,7 km²overlap3.74 km²0%
1 more basinssorted by overlap
Lakes (1, top by area)
Rivers / streams (21, ord ≥ 4)
- Ahoskie Creekord 3len here59.78 km81%total74 km
- Meherrin Riverord 4len here34.30 km17%total197 km
- Potecasi Creekord 4len here28.78 km51%total57 km
- Old Tree Swampord 3len here22.56 km76%total30 km
- Chowan Riverord 5len here14.71 km27%total55 km
- Wiccacon Riverord 3len here13.54 km97%total14 km
- Horse Swampord 2len here12.31 km100%total12 km
- Buckhorn Creekord 1len here10.46 km59%total18 km
- Mill Branchord 1len here6.87 km100%total7 km
- Long Branchord 2len here6.42 km100%total6 km
- Fort Branchord 1len here5.36 km50%total11 km
- Barbeque Swampord 2len here4.91 km33%total15 km
9 more river segmentssorted by Strahler order + length
- Chinkapin Creekord 2len here4.60 km100%total5 km
- Panther Swampord 1len here3.95 km63%total6 km
- Nottoway Riverord 4len here3.54 km2%total230 km
- Deep Swamp Branchord 1len here3.38 km85%total4 km
- Kirbys Creekord 1len here2.78 km8%total35 km
- Chinkapin Swampord 2len here2.28 km21%total11 km
- Turnpike Branchord 1len here1.35 km100%total1 km
- Worrell Mill Swampord 1len here0.69 km101%total1 km
- Blackwater Riverord 4len here0.50 km0%total110 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,1nW
Built-up
48,2%
Pesticides
21,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 2IUCN Not Assigned · 1
Cutawhiskie Creek
IUCN Not AssignedConservation Easement · 2007
0 km²
South Quay Sandhills
IUCN VState Natural Area Preserve · 2013
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN