Ontologia

County · USA

Holmes

United States

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

Species observed

2 045

Observations

24 381

Area

1 269,1km²

Ecological tissue

Sample of 39 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 Holmes : 25 espèces reliées par 79 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
79
Connectance
0.101
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

2 045 distinct species · 24 381 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 381 obs · 36 cellules
Obs. / cellule
≥ 6 312
1 569–6 311
685–1 568
342–684
< 342

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

Climate

Mean T°

19,1°C

Annual rain

1 518mm

Warmest m°

32,1°C

Coldest m°

5,9°C

Elevation: 38 m on average (min 14 m, max 81 m)

Bioclimatic detailsExpert
Annual mean temp.
19,1°C
Annual rain
1 518mm
Warmest month
32,1°C
Coldest month
5,9°C
Mean alt.
38m
Min
14m
Max
81m
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

5,1

Org. C

22,1g/kg

Clay

15,5%

Sand

68,6%

Silt

15,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
43,5g/kg
Clay
14,1%
Sand
69,7%
Silt
16,2%
5–15 cm
pH H₂O
5,1
Org. C
14,6g/kg
Clay
14,3%
Sand
69,7%
Silt
16,0%
15–30 cm
pH H₂O
5,1
Org. C
8,4g/kg
Clay
18,1%
Sand
66,5%
Silt
15,5%

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

Land cover

Forest65.0%
Crops7.8%
Built-up0.4%
Bare soil0.5%
Other (grassland, water…)26.4%

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

Hydrology3 basins · 6 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

218,8km

Lake surface here

2,44km²

Basins crossed

3

Max stream order

6

Max drainage

10 093km²

Discharge in basins

100,5m³/s

Mean precip.

1 506mm/an

Mean T°

19,1°C

Moisture idx

0,04

Mean runoff

622mm/an

Mean elev. (basins)

47m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

35,6%

Pesticides

42,8kg/km²

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

Protected areas1

IUCN V · 1

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