Ontologia

County · USA

Hardeman

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

888

Observations

22 175

Area

1 728,3km²

Ecological tissue

Sample of 30 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 Hardeman : 21 espèces reliées par 61 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
61
Connectance
0.123
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

888 distinct species · 22 175 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 175 obs · 47 cellules
Obs. / cellule
≥ 2 568
1 844–2 567
442–1 843
239–441
< 239

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

16,1°C

Annual rain

1 413mm

Warmest m°

32,0°C

Coldest m°

0,7°C

Elevation: 139 m on average (min 89 m, max 196 m)

Bioclimatic detailsExpert
Annual mean temp.
16,1°C
Annual rain
1 413mm
Warmest month
32,0°C
Coldest month
0,7°C
Mean alt.
139m
Min
89m
Max
196m
Std. dev.
21m
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

5,4

Org. C

18,8g/kg

Clay

27,9%

Sand

12,1%

Silt

60,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
39,0g/kg
Clay
25,5%
Sand
12,9%
Silt
61,6%
5–15 cm
pH H₂O
5,4
Org. C
12,1g/kg
Clay
27,1%
Sand
12,3%
Silt
60,6%
15–30 cm
pH H₂O
5,3
Org. C
5,5g/kg
Clay
31,2%
Sand
11,0%
Silt
57,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest74.6%
Crops10.0%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)15.0%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology8 basins · 17 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

243,8km

Lake surface here

3,57km²

Basins crossed

8

Max stream order

5

Max drainage

6 719km²

Discharge in basins

103,7m³/s

Mean precip.

1 360mm/an

Mean T°

15,3°C

Moisture idx

0,05

Max snow

1%

Mean runoff

724mm/an

Mean elev. (basins)

135m

Watersheds crossing here

Lakes (17, top by area)

8 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

24,3%

Pesticides

13,9kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas6

IUCN V · 5IUCN Not Assigned · 1

Us-Tn-88-2

IUCN Not Assigned

Conservation Easement · 2007

3 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN