Ontologia

County · USA

Sequatchie

United States

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

Species observed

1 119

Observations

49 993

Area

689,2km²

Ecological tissue

Sample of 37 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 Sequatchie : 28 espèces reliées par 71 interactions GloBI sur 4 types (connectance 9.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
71
Connectance
0.096
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

1 119 distinct species · 49 993 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

49 993 obs · 19 cellules
Obs. / cellule
≥ 20 513
7 258–20 512
1 783–7 257
720–1 782
< 720

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

Climate

Mean T°

13,9°C

Annual rain

1 566mm

Warmest m°

28,7°C

Coldest m°

-0,9°C

Elevation: 502 m on average (min 205 m, max 677 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
1 566mm
Warmest month
28,7°C
Coldest month
-0,9°C
Mean alt.
502m
Min
205m
Max
677m
Std. dev.
138m
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

5,1

Org. C

32,7g/kg

Clay

21,6%

Sand

37,8%

Silt

40,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
59,1g/kg
Clay
19,4%
Sand
39,1%
Silt
41,4%
5–15 cm
pH H₂O
5,1
Org. C
27,1g/kg
Clay
21,0%
Sand
37,9%
Silt
41,0%
15–30 cm
pH H₂O
5,2
Org. C
11,8g/kg
Clay
24,5%
Sand
36,5%
Silt
39,1%

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

Land cover

Forest76.6%
Crops3.5%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)19.3%

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

Hydrology6 basins · 1 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

113,1km

Lake surface here

0,24km²

Basins crossed

6

Max stream order

4

Max drainage

56 582km²

Discharge in basins

154,0m³/s

Mean precip.

1 468mm/an

Mean T°

13,8°C

Moisture idx

0,16

Max snow

1%

Mean runoff

707mm/an

Mean elev. (basins)

420m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (18, ord ≥ 4)

6 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

39,0%

Pesticides

8,6kg/km²

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

Protected areas5

IUCN V · 4IUCN Not Assigned · 1

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