Chickasaw
IUCN IVNational Wildlife Refuge · 1985
86 km²
County · USA
Dyer
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
817
Observations
72 982
Area
1 370,6km²
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 Dyer : 24 espèces reliées par 73 interactions GloBI sur 3 types (connectance 13.8%, filtre Serrano α=0.2). 9 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
817 distinct species · 72 982 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,9°C
Annual rain
1 368mm
Warmest m°
31,8°C
Coldest m°
-0,4°C
Elevation: 89 m on average (min 71 m, max 140 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,9°C
Annual rain
1 368mm
Warmest month
31,8°C
Coldest month
-0,4°C
Mean alt.
89m
Min
71m
Max
140m
Std. dev.
13m
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
6,0
Org. C
18,1g/kg
Clay
30,1%
Sand
12,7%
Silt
57,2%
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
6,0
Org. C
34,2g/kg
Clay
29,8%
Sand
13,0%
Silt
57,2%
5–15 cm
pH H₂O
6,0
Org. C
12,3g/kg
Clay
29,5%
Sand
12,9%
Silt
57,6%
15–30 cm
pH H₂O
5,9
Org. C
7,7g/kg
Clay
31,0%
Sand
12,3%
Silt
56,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.5%
Crops50.1%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)22.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 8 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
302,9km
Lake surface here
3,11km²
Basins crossed
10
Max stream order
9
Max drainage
2 361 965km²
Discharge in basins
2 495,7m³/s
Mean precip.
1 302mm/an
Mean T°
14,9°C
Moisture idx
0,05
Max snow
1%
Mean runoff
687mm/an
Mean elev. (basins)
101m
Watersheds crossing here
- Bassin de Middle Fork Forked Deer Riversub-area2 484 km²overlap529.34 km²39%
- Bassin de Obion Riversub-area847,3 km²overlap290.24 km²21%
- Bassin de Obion Riversub-area247,2 km²overlap247.23 km²18%
- Bassin de Mississippi Riversub-area923,3 km²overlap124.54 km²9%
- Bassin de Forked Deer Riversub-area94,6 km²overlap66.74 km²5%
- Bassin de South Fork Forked Deer Riversub-area362,2 km²overlap51.77 km²4%
- Bassin de Running Reelfoot Bayousub-area732,8 km²overlap48.00 km²4%
- Bassin de Mississippi Riversub-area18 km²overlap11.71 km²1%
- Bassin de Forked Deer Riversub-area1,4 km²overlap0.73 km²0%
1 more basinssorted by overlap
Lakes (8, top by area)
Rivers / streams (13, ord ≥ 4)
- Obion Riverord 5len here108.10 km58%total187 km
- North Fork Forked Deer Riverord 4len here62.09 km46%total135 km
- Mississippi Riverord 9len here43.94 km1%total5243 km
- Forked Deer Riverord 5len here19.60 km61%total32 km
- Lewis Creekord 3len here19.18 km28%total69 km
- Running Reelfoot Bayouord 5len here13.07 km39%total34 km
- Doakville Creekord 2len here12.04 km100%total12 km
- South Fork Forked Deer Riverord 4len here10.30 km5%total229 km
- Rock Sloughord 1len here5.19 km100%total5 km
- Roellen Creekord 1len here3.15 km100%total3 km
- Middle Fork Forked Deer Riverord 4len here2.63 km2%total159 km
- Light Creekord 2len here1.88 km100%total2 km
1 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
1,3nW
Built-up
47,4%
Pesticides
14,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas13
IUCN V · 10IUCN Not Assigned · 2IUCN IV · 1
Tigrett
IUCN VWildlife Management Area · 1958
37 km²
Wetlands Reserve Program (WRP), Dyer, TN
IUCN VReserve Program · 1996
33 km²
Tumbleweed
IUCN VWildlife Management Area · 2006
23 km²
Moss Island
IUCN VWildlife Management Area · 1959
22 km²
Thorny Cypress
IUCN VWildlife Management Area · 1990
13 km²
Complete list13 protected areas
- ChickasawNational Wildlife RefugeIUCN IV198586 km²
- TigrettWildlife Management AreaIUCN V195837 km²
- Wetlands Reserve Program (WRP), Dyer, TNReserve ProgramIUCN V199633 km²
- TumbleweedWildlife Management AreaIUCN V200623 km²
- Moss IslandWildlife Management AreaIUCN V195922 km²
- Thorny CypressWildlife Management AreaIUCN V199013 km²
- Ernest RiceWildlife Management AreaIUCN V199012 km²
- BogotaWildlife Management AreaIUCN V200010 km²
- White LakeRefugeIUCN V19905 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Dyer, TNConservation EasementIUCN V3 km²
- Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)Conservation EasementIUCN Not Assigned20153 km²
- Lake LauderdaleRefugeIUCN V19873 km²
- Us-Tn-87-2Conservation EasementIUCN Not Assigned20081 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN