Ontologia

County · USA

Louisa

United States

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

Species observed

1 280

Observations

86 959

Area

1 075,3km²

Ecological tissue

Sample of 35 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 Louisa : 27 espèces reliées par 71 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
71
Connectance
0.119
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

1 280 distinct species · 86 959 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

86 959 obs · 29 cellules
Obs. / cellule
≥ 66 868
2 242–66 867
430–2 241
179–429
< 179

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

Climate

Mean T°

10,5°C

Annual rain

986mm

Warmest m°

29,2°C

Coldest m°

-8,8°C

Elevation: 195 m on average (min 161 m, max 251 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
986mm
Warmest month
29,2°C
Coldest month
-8,8°C
Mean alt.
195m
Min
161m
Max
251m
Std. dev.
20m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,2

Org. C

22,9g/kg

Clay

32,6%

Sand

8,0%

Silt

59,4%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
34,2g/kg
Clay
31,9%
Sand
8,2%
Silt
59,9%
5–15 cm
pH H₂O
6,2
Org. C
20,9g/kg
Clay
32,2%
Sand
8,1%
Silt
59,7%
15–30 cm
pH H₂O
6,1
Org. C
13,5g/kg
Clay
33,8%
Sand
7,7%
Silt
58,5%

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

Land cover

Forest18.4%
Crops56.1%
Built-up0.3%
Bare soil1.4%
Other (grassland, water…)23.8%

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

Hydrology7 basins · 10 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

181,2km

Lake surface here

8,10km²

Basins crossed

7

Max stream order

7

Max drainage

293 221km²

Discharge in basins

568,8m³/s

Mean precip.

908mm/an

Mean T°

10,1°C

Moisture idx

-0,14

Max snow

14%

Mean runoff

260mm/an

Mean elev. (basins)

206m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

29,6%

Pesticides

20,9kg/km²

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

Protected areas20

IUCN V · 19IUCN IV · 1
Complete list

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