Big Muddy National Fish And
IUCN IVWildlife Refuge
44 km²
County · USA
United States
Species observed
1 192
Observations
51 221
Area
1 476,3km²
Sample of 34 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).
Tissu écologique de Cooper : 23 espèces reliées par 83 interactions GloBI sur 4 types (connectance 14.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 192 distinct species · 51 221 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
13,1°C
Annual rain
1 124mm
Warmest m°
31,4°C
Coldest m°
-4,4°C
Elevation: 227 m on average (min 175 m, max 281 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,4
Org. C
20,2g/kg
Clay
26,5%
Sand
7,2%
Silt
66,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
274,0km
Lake surface here
0,16km²
Basins crossed
8
Max stream order
8
Max drainage
1 267 869km²
Discharge in basins
941,0m³/s
Mean precip.
1 008mm/an
Mean T°
12,3°C
Moisture idx
-0,11
Max snow
3%
Mean runoff
305mm/an
Mean elev. (basins)
237m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,4nW
Built-up
29,8%
Pesticides
9,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wildlife Refuge
44 km²
Conservation Area
24 km²
Reserve Program · 1995
17 km²
Conservation Area
15 km²
Reserve Program · 1995
9 km²
Conservation Easement · 2015
8 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN