McCurtain County
IUCN VWilderness Area
61 km²
County · USA
McCurtain
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
3 955
Observations
250 556
Area
4 914,7km²
Ecological tissue
Sample of 32 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 McCurtain : 23 espèces reliées par 60 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
60
Connectance
0.121
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
3 955 distinct species · 250 556 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,8°C
Annual rain
1 386mm
Warmest m°
33,1°C
Coldest m°
1,7°C
Elevation: 195 m on average (min 94 m, max 504 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,8°C
Annual rain
1 386mm
Warmest month
33,1°C
Coldest month
1,7°C
Mean alt.
195m
Min
94m
Max
504m
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
5,6
Org. C
20,7g/kg
Clay
20,0%
Sand
31,5%
Silt
48,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
36,1g/kg
Clay
17,7%
Sand
32,6%
Silt
49,7%
5–15 cm
pH H₂O
5,6
Org. C
16,6g/kg
Clay
18,2%
Sand
32,4%
Silt
49,4%
15–30 cm
pH H₂O
5,5
Org. C
9,3g/kg
Clay
24,2%
Sand
29,4%
Silt
46,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest70.3%
Crops7.3%
Built-up0.2%
Bare soil0.4%
Other (grassland, water…)21.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology16 basins · 17 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
675,7km
Lake surface here
75,70km²
Basins crossed
16
Max stream order
6
Max drainage
122 775km²
Discharge in basins
866,6m³/s
Mean precip.
1 287mm/an
Mean T°
16,3°C
Moisture idx
-0,06
Max snow
1%
Mean runoff
417mm/an
Mean elev. (basins)
213m
Watersheds crossing here
- Bassin de Mountain Fork Riversub-area2 214,4 km²overlap1176.57 km²24%
- Bassin de Glover Riversub-area891,3 km²overlap866.56 km²18%
- Bassin de Little Riversub-area588,4 km²overlap474.11 km²10%
- Bassin de Red Riversub-area595,1 km²overlap395.70 km²8%
- Bassin de Little Riversub-area378,8 km²overlap378.66 km²8%
- Bassin de Red Riversub-area698,8 km²overlap327.34 km²7%
- Bassin de Rolling Fork Little Riversub-area974,3 km²overlap294.23 km²6%
- Bassin de Little Riversub-area237,2 km²overlap237.18 km²5%
- Bassin de Yashau Creeksub-area203 km²overlap202.95 km²4%
7 more basinssorted by overlap
- Bassin de Red Riversub-area296,5 km²overlap148.02 km²3%
- Bassin de Little Riversub-area152,6 km²overlap107.47 km²2%
- Bassin de Little Riversub-area682,6 km²overlap95.80 km²2%
- Bassin de Walnut Bayousub-area333,4 km²overlap89.58 km²2%
- Basin #76640sub-area145,3 km²overlap84.19 km²2%
- Bassin de Little Riversub-area554,5 km²overlap20.53 km²0%
- Bassin de Little Riversub-area420 km²overlap15.68 km²0%
Lakes (17, top by area)
- Broken Bow Lakearea54,4 km²avg depth36.3 m
- Pine Creek Lakearea15,4 km²avg depth77.5 m
- Lake #13237area1,4 km²avg depth1.3 m
- Lac 1062344area0,9 km²avg depth2.0 m
- Lac 1062057area0,7 km²avg depth2.9 m
- Lac 1062494area0,6 km²avg depth1.3 m
- Lac 1061974area0,6 km²avg depth6.7 m
- Lac 1062356area0,5 km²avg depth1.6 m
- Lac 1062079area0,5 km²avg depth2.6 m
8 more lakes
Rivers / streams (19, ord ≥ 4)
- Little Riverord 7len here182.45 km14%total1263 km
- Mountain Fork Riverord 4len here164.89 km66%total251 km
- Red Riverord 7len here112.85 km4%total2600 km
- Glover Riverord 4len here54.55 km100%total55 km
- Yashau Creekord 1len here23.76 km100%total24 km
- Waterhole Creekord 3len here23.08 km100%total23 km
- Silver Creekord 5len here22.79 km2%total954 km
- Rock Creekord 8len here22.23 km1%total2074 km
- Cypress Creekord 5len here21.18 km8%total262 km
- Lower Mountain Fork Riverord 4len here12.22 km100%total12 km
- Horse Head Creekord 1len here11.82 km100%total12 km
- Walnut Bayouord 3len here7.39 km4%total203 km
7 more river segmentssorted by Strahler order + length
- Whitegrass Creekord 2len here7.06 km48%total15 km
- Ash Creekord 4len here3.73 km4%total93 km
- Doaksville Creekord 6len here1.89 km13%total14 km
- Robinson Creekord 3len here1.55 km1%total115 km
- Cedar Creekord 6len here1.36 km0%total2026 km
- North Mill Creekord 1len here0.83 km3%total33 km
- Big Pine Creekord 5len here0.03 km0%total147 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
18,7%
Pesticides
8,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas15
IUCN V · 11IUCN Not Assigned · 2IUCN IV · 1IUCN Ia · 1
Little River
IUCN IVNational Wildlife Refuge · 1987
58 km²
Wetlands Reserve Program (WRP), McCurtain, OK
IUCN VReserve Program · 1996
53 km²
Pine Creek
IUCN VWildlife Management Area
35 km²
Wetlands Reserve Program (WRP), Bowie, TX
IUCN VReserve Program · 1996
32 km²
Red Slough Wildlife Management Area & Waterfowl Refuge Portion
IUCN Not AssignedWildlife Management Area
24 km²
Complete list15 protected areas
- McCurtain CountyWilderness AreaIUCN V61 km²
- Little RiverNational Wildlife RefugeIUCN IV198758 km²
- Wetlands Reserve Program (WRP), McCurtain, OKReserve ProgramIUCN V199653 km²
- Pine CreekWildlife Management AreaIUCN V35 km²
- Wetlands Reserve Program (WRP), Bowie, TXReserve ProgramIUCN V199632 km²
- Red Slough Wildlife Management Area & Waterfowl Refuge PortionWildlife Management AreaIUCN Not Assigned24 km²
- Broken BowWildlife Management AreaIUCN V19 km²
- Wetlands Reserve Program (WRP), Red River, TXReserve ProgramIUCN V20007 km²
- Wetlands Reserve Program (WRP), McCurtain, OKReserve ProgramIUCN V20035 km²
- Us-Ok-40-1Conservation EasementIUCN Not Assigned20085 km²
- Grassy SloughWildlife Management AreaIUCN V4 km²
- Wetlands Reserve Program (WRP), McCurtain, OKReserve ProgramIUCN V20074 km²
- Whitegrass FlatsWildlife Management AreaIUCN V2 km²
- TiakResearch Natural AreaIUCN Ia19901 km²
- Little RiverNational Wildlife RefugeIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN