Ashepoo-Combahee-Edisto (ACE) Basin National Estuarine Research Reserve
IUCN IVMarine Protected Area · 1992
570 km²
County · USA
Colleton
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
2 749
Observations
541 448
Area
2 760,3km²
Ecological tissue
Sample of 35 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 Colleton : 23 espèces reliées par 55 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
55
Connectance
0.092
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
2 749 distinct species · 541 448 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,3°C
Annual rain
1 250mm
Warmest m°
32,2°C
Coldest m°
4,9°C
Elevation: 15 m on average (min -9 m, max 48 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,3°C
Annual rain
1 250mm
Warmest month
32,2°C
Coldest month
4,9°C
Mean alt.
15m
Min
-9m
Max
48m
Std. dev.
12m
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
38,5g/kg
Clay
25,8%
Sand
47,3%
Silt
27,0%
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
4,9
Org. C
67,3g/kg
Clay
25,5%
Sand
47,3%
Silt
27,1%
5–15 cm
pH H₂O
5,0
Org. C
27,5g/kg
Clay
25,4%
Sand
47,7%
Silt
26,9%
15–30 cm
pH H₂O
5,0
Org. C
20,8g/kg
Clay
26,4%
Sand
46,7%
Silt
26,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest71.2%
Crops1.8%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)26.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 23 lakes · 28 rivers
Hydrology metrics for this exact territory
Stream length here
397,2km
Lake surface here
7,62km²
Basins crossed
12
Max stream order
5
Max drainage
7 474km²
Discharge in basins
163,4m³/s
Mean precip.
1 263mm/an
Mean T°
18,1°C
Moisture idx
-0,09
Max snow
1%
Mean runoff
369mm/an
Mean elev. (basins)
24m
Watersheds crossing here
- Bassin de Ashepoo Riversub-area1 105,7 km²overlap1088.58 km²39%
- Bassin de Little Salkehatchie Riversub-area1 271,2 km²overlap644.43 km²23%
- Bassin de Edisto Riversub-area574,1 km²overlap290.59 km²11%
- Bassin de Chehaw Riversub-area240,2 km²overlap181.23 km²7%
- Bassin de Edisto Riversub-area595,2 km²overlap149.25 km²5%
- Bassin de Folly Creeksub-area135,6 km²overlap135.53 km²5%
- Bassin de Combahee Riversub-area245,1 km²overlap133.83 km²5%
- Bassin de Salkehatchie Riversub-area955 km²overlap50.20 km²2%
- Bassin de Salkehatchie Riversub-area176,2 km²overlap46.85 km²2%
Lakes (23, top by area)
- Lake #13590area1,3 km²avg depth1.7 m
- Lac 1063927area0,7 km²avg depth3.0 m
- Lac 1063848area0,5 km²avg depth2.1 m
- Lac 1063784area0,4 km²avg depth3.7 m
- Lac 1063884area0,4 km²avg depth2.6 m
- Lac 1063521area0,4 km²avg depth3.8 m
- Lac 1063750area0,4 km²avg depth2.2 m
- Lac 1063862area0,4 km²avg depth3.1 m
- Lac 1063938area0,4 km²avg depth2.5 m
14 more lakes
- Lac 1063829area0,3 km²avg depth2.3 m
- Lac 1063795area0,3 km²avg depth2.7 m
- Lac 1063433area0,2 km²avg depth2.4 m
- Lac 1063305area0,2 km²avg depth2.5 m
- Lac 1063894area0,2 km²avg depth2.9 m
- Lac 1063721area0,2 km²avg depth3.3 m
- Lac 1063840area0,2 km²avg depth2.2 m
- Lac 1063523area0,2 km²avg depth3.2 m
- Lac 1063263area0,2 km²avg depth1.7 m
- Lac 1063792area0,2 km²avg depth1.4 m
- Lac 1063851area0,1 km²avg depth2.3 m
- Lac 1063914area0,1 km²avg depth2.1 m
- Lac 1063793area0,1 km²avg depth3.5 m
- Lac 1063808area0,1 km²avg depth2.4 m
Rivers / streams (28, ord ≥ 4)
- Edisto Riverord 5len here80.61 km48%total169 km
- Ashepoo Riverord 4len here66.34 km98%total68 km
- Little Salkehatchie Riverord 4len here29.67 km100%total30 km
- Chehaw Riverord 1len here22.19 km100%total22 km
- Jones Swamp Creekord 2len here20.78 km100%total21 km
- Combahee Riverord 4len here18.83 km55%total34 km
- Chessey Creekord 2len here16.00 km100%total16 km
- Fuller Swamp Creekord 2len here14.73 km100%total15 km
- Ireland Creekord 2len here14.33 km100%total14 km
- Black Creekord 1len here14.03 km100%total14 km
- Horseman's Creekord 4len here13.87 km100%total14 km
- Baptist Church Branchord 1len here9.82 km100%total10 km
16 more river segmentssorted by Strahler order + length
- Salkehatchie Riverord 3len here9.33 km14%total65 km
- Allen Creekord 1len here8.87 km100%total9 km
- Cold Water Branchord 1len here6.91 km99%total7 km
- Folly Creekord 2len here6.86 km100%total7 km
- Baptist Church Branchord 1len here6.05 km100%total6 km
- Horseshoe Creekord 1len here5.70 km100%total6 km
- Ricepatch Creekord 1len here5.49 km100%total6 km
- Sandy Dam Branchord 1len here4.95 km100%total5 km
- Doctors Creekord 2len here4.81 km100%total5 km
- Johno Creekord 1len here3.43 km100%total3 km
- Skull Branchord 1len here3.19 km93%total3 km
- Perry Creekord 1len here3.18 km100%total3 km
- Sandy Runord 1len here3.07 km72%total4 km
- Sandy Runord 1len here2.97 km70%total4 km
- Brickhouse Branchord 1len here1.16 km100%total1 km
- Cattle Creekord 2len here0.03 km0%total33 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
25,3%
Pesticides
26,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas45
IUCN Not Assigned · 30IUCN V · 9IUCN IV · 5IUCN III · 1🌊 Marine · 14
Saint Helena Sound Heritage Preserve /
IUCN VWildlife Management Area · 1991
75 km²
Us-Sc-1-6
IUCN Not AssignedConservation Easement · 1991
51 km²
Bear Island
IUCN VWildlife Management Area
49 km²
Ernest F. Hollings Ace Basin
IUCN IVNational Wildlife Refuge · 1990
49 km²
Ernest F. Hollings Ace Basin National Wildlife Refuge
IUCN IVMarine Protected Area · 1990
49 km²
Complete list45 protected areas
- Ashepoo-Combahee-Edisto (ACE) Basin National Estuarine Research ReserveMarine Protected AreaIUCN IV1992570 km²
- Saint Helena Sound Heritage Preserve /Wildlife Management AreaIUCN V199175 km²
- Us-Sc-1-6Conservation EasementIUCN Not Assigned199151 km²
- Bear IslandWildlife Management AreaIUCN V49 km²
- Ernest F. Hollings Ace BasinNational Wildlife RefugeIUCN IV199049 km²
- Ernest F. Hollings Ace Basin National Wildlife RefugeMarine Protected AreaIUCN IV199049 km²
- Bear Island Wildlife Management AreaMarine Protected AreaIUCN IV195348 km²
- St. Helena Sound Heritage PreserveMarine Protected AreaIUCN IV199139 km²
- Us-Sc-1-11Conservation EasementIUCN Not Assigned199337 km²
- DonnelleyWildlife Management AreaIUCN V32 km²
- Us-Sc-1-22Conservation EasementIUCN Not Assigned199913 km²
- Us-Sc-1-10Conservation EasementIUCN Not Assigned199213 km²
- Wetlands Reserve Program (WRP), Bamberg, SCReserve ProgramIUCN V19969 km²
- Us-Sc-1-61Conservation EasementIUCN Not Assigned20168 km²
- Us-Sc-1-53Conservation EasementIUCN Not Assigned20157 km²
- Us-Sc-1-4Conservation EasementIUCN Not Assigned19977 km²
- Edisto RiverWildlife Management AreaIUCN V6 km²
- Us-Sc-1-56Conservation EasementIUCN Not Assigned20155 km²
- Us-Sc-1-33Conservation EasementIUCN Not Assigned20094 km²
- Us-Sc-1-15Conservation EasementIUCN Not Assigned19954 km²
- Us-Sc-1-39Conservation EasementIUCN Not Assigned20064 km²
- Us-Sc-1-30Conservation EasementIUCN Not Assigned20034 km²
- Us-Sc-1-47Conservation EasementIUCN Not Assigned20133 km²
- Us-Sc-1-13Conservation EasementIUCN Not Assigned19923 km²
- Great Swamp/Upper Ashepoo RiverPrivate Conservation LandIUCN V20072 km²
- WalterboroWildlife SanctuaryIUCN V2 km²
- Us-Sc-1-25Conservation EasementIUCN Not Assigned20012 km²
- Us-Sc-1-45Conservation EasementIUCN Not Assigned20102 km²
- McAlhanyNature PreserveIUCN Not Assigned20011 km²
- Us-Sc-1-64Conservation EasementIUCN Not Assigned20161 km²
- Us-Sc-1-12Conservation EasementIUCN Not Assigned19911 km²
- Us-Sc-1-43Conservation EasementIUCN Not Assigned20091 km²
- Us-Sc-1-17Conservation EasementIUCN Not Assigned19971 km²
- Us-Sc-1-31Conservation EasementIUCN Not Assigned20021 km²
- Wetlands Reserve Program (WRP), Colleton, SCReserve ProgramIUCN V20061 km²
- Us-Sc-1-7Conservation EasementIUCN Not Assigned19911 km²
- Us-Sc-7-9Conservation EasementIUCN Not Assigned20001 km²
- Us-Sc-1-36Conservation EasementIUCN Not Assigned20061 km²
- US-SC-1-44MitigationIUCN Not Assigned20090 km²
- Us-Sc-1-14Conservation EasementIUCN Not Assigned19940 km²
- Crosby OxypolisHeritage PreserveIUCN III0 km²
- Us-Sc-1-8Conservation EasementIUCN Not Assigned19910 km²
- Us-Sc-1-29Conservation EasementIUCN Not Assigned20020 km²
- St. Helena Estuary Macrosite FeeEstuaryIUCN V20160 km²
- Pine IslandIsland / MarshlandIUCN Not Assigned0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN