Alligator River
IUCN IVNational Wildlife Refuge · 1984
618 km²
County · USA
Hyde
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 893
Observations
226 575
Area
1 781km²
Ecological tissue
Sample of 33 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 Hyde : 21 espèces reliées par 73 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
73
Connectance
0.138
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
1 893 distinct species · 226 575 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,8°C
Annual rain
1 416mm
Warmest m°
29,6°C
Coldest m°
3,7°C
Elevation: 1 m on average (min -12 m, max 5 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,8°C
Annual rain
1 416mm
Warmest month
29,6°C
Coldest month
3,7°C
Mean alt.
1m
Min
-12m
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
73,2g/kg
Clay
20,1%
Sand
32,3%
Silt
47,7%
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
93,7g/kg
Clay
19,0%
Sand
33,1%
Silt
47,9%
5–15 cm
pH H₂O
4,9
Org. C
61,1g/kg
Clay
18,8%
Sand
32,9%
Silt
48,3%
15–30 cm
pH H₂O
4,9
Org. C
64,8g/kg
Clay
22,5%
Sand
30,8%
Silt
46,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.0%
Crops10.6%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)41.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 17 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
111,4km
Lake surface here
187,75km²
Basins crossed
6
Max stream order
4
Max drainage
2 273km²
Discharge in basins
6,5m³/s
Mean precip.
1 322mm/an
Mean T°
16,4°C
Moisture idx
0,10
Max snow
4%
Mean runoff
440mm/an
Mean elev. (basins)
5m
Watersheds crossing here
- Bassin de Juniper Bay Creeksub-area2 273,4 km²overlap1388.96 km²78%
- Bassin de New Lake Forksub-area552,7 km²overlap174.10 km²10%
- Bassin de Pungo Riversub-area553,8 km²overlap154.38 km²9%
- Bassin de Scuppernong Riversub-area607,1 km²overlap40.86 km²2%
- Bassin de Adams Creek Canalsub-area1 504,3 km²overlap22.64 km²1%
- Bassin de Pungo Swampsub-area915,1 km²overlap0.00 km²0%
Lakes (17, top by area)
- Lake Mattamuskeetarea158,5 km²avg depth2.6 m
- New Lakearea18,5 km²avg depth2.9 m
- Pungo Lakearea9,4 km²avg depth4.9 m
- Lake #12913area2,1 km²avg depth1.1 m
- Swan Creek Lakearea1,5 km²avg depth1.2 m
- Lake Mattamuskeetarea1,3 km²avg depth1.7 m
- Lake #12912area1 km²avg depth1.6 m
- Lac 1060431area0,8 km²avg depth1.7 m
- Lac 1060365area0,7 km²avg depth1.4 m
8 more lakes
Rivers / streams (18, ord ≥ 4)
- New Lake Forkord 2len here24.39 km80%total31 km
- Juniper Bay Creekord 1len here11.72 km94%total12 km
- Pungo River Alligator River Canalord 1len here8.39 km100%total8 km
- Pungo Riverord 4len here7.88 km39%total20 km
- Pungo River Alligator River Canalord 1len here7.81 km100%total8 km
- Waupopin Creekord 3len here7.66 km93%total8 km
- Rose Bay Creekord 1len here6.93 km99%total7 km
- Pungo River Alligator River Canalord 1len here6.59 km100%total7 km
- Alligator Riverord 3len here6.22 km22%total28 km
- Shingle Creekord 1len here5.18 km100%total5 km
- Dogwood Runord 2len here4.82 km26%total18 km
- Rutman Creekord 2len here4.72 km100%total5 km
6 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
10,3%
Pesticides
39,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas22
IUCN V · 9IUCN IV · 6IUCN Not Assigned · 3IUCN VI · 2IUCN Ib · 2🌊 Marine · 12
Alligator River National Wildlife Refuge
IUCN IVMarine Protected Area · 1984
606 km²
Pocosin Lakes
IUCN IVNational Wildlife Refuge
465 km²
Mattamuskeet
IUCN IVNational Wildlife Refuge
201 km²
Dare Game Land
IUCN VIMarine Protected Area · 1971
186 km²
Cape Hatteras National Seashore
IUCN VMarine Protected Area · 1937
126 km²
Complete list22 protected areas
- Alligator RiverNational Wildlife RefugeIUCN IV1984618 km²
- Alligator River National Wildlife RefugeMarine Protected AreaIUCN IV1984606 km²
- Pocosin LakesNational Wildlife RefugeIUCN IV465 km²
- MattamuskeetNational Wildlife RefugeIUCN IV201 km²
- Dare Game LandMarine Protected AreaIUCN VI1971186 km²
- Cape Hatteras National SeashoreMarine Protected AreaIUCN V1937126 km²
- Gull Rock Game LandMarine Protected AreaIUCN VI1971116 km²
- Emily and Richardson Preyer BuckridgeCoastal ReserveIUCN V2000111 km²
- Cape HatterasNational SeashoreIUCN V1937108 km²
- Swanquarter National Wildlife RefugeMarine Protected AreaIUCN IV193267 km²
- SwanquarterNational Wildlife RefugeIUCN IV193267 km²
- Wetlands Reserve Program (WRP), Hyde, NCReserve ProgramIUCN V199460 km²
- Swanquarter National Wildlife Refuge.Wilderness AreaNational Wildlife RefugeIUCN Ib197736 km²
- North Carolina Coastal Land TrustPreserveIUCN V26 km²
- Wetlands Reserve Program (WRP), Tyrrell, NCReserve ProgramIUCN V199726 km²
- Wetlands Reserve Program (WRP), Hyde, NCReserve ProgramIUCN V201116 km²
- Wetlands Reserve Program (WRP), Hyde, NCReserve ProgramIUCN V201014 km²
- Mattamuskeet National Wildlife Refuge.National Wildlife RefugeIUCN Ib3 km²
- Wetlands Reserve Program (WRP), Hyde, NCReserve ProgramIUCN V20162 km²
- Hillcrest BayConservation EasementIUCN Not Assigned20050 km²
- Us-Nc-40-21Conservation EasementIUCN Not Assigned20010 km²
- Clark Mill Creek-Albemarle RestoratConservation EasementIUCN Not Assigned20070 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN