Ontologia

County · USA

Graves

United States

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

Species observed

895

Observations

28 553

Area

1 437,5km²

Ecological tissue

Sample of 41 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 Graves : 32 espèces reliées par 88 interactions GloBI sur 4 types (connectance 10.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
88
Connectance
0.102
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

895 distinct species · 28 553 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 553 obs · 40 cellules
Obs. / cellule
≥ 19 302
860–19 301
242–859
135–241
< 135

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

Climate

Mean T°

15,0°C

Annual rain

1 356mm

Warmest m°

31,6°C

Coldest m°

-1,2°C

Elevation: 141 m on average (min 99 m, max 170 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
1 356mm
Warmest month
31,6°C
Coldest month
-1,2°C
Mean alt.
141m
Min
99m
Max
170m
Std. dev.
15m
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

22,1g/kg

Clay

23,6%

Sand

7,8%

Silt

68,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
44,0g/kg
Clay
22,7%
Sand
8,1%
Silt
69,3%
5–15 cm
pH H₂O
5,4
Org. C
14,6g/kg
Clay
22,7%
Sand
8,0%
Silt
69,3%
15–30 cm
pH H₂O
5,3
Org. C
7,6g/kg
Clay
25,6%
Sand
7,5%
Silt
66,9%

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

Land cover

Forest35.7%
Crops38.8%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)24.7%

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

Hydrology4 basins · 3 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

237,0km

Lake surface here

0,54km²

Basins crossed

4

Max stream order

3

Max drainage

1 503km²

Discharge in basins

25,5m³/s

Mean precip.

1 307mm/an

Mean T°

14,2°C

Moisture idx

0,06

Max snow

1%

Mean runoff

561mm/an

Mean elev. (basins)

133m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

65,4%

Pesticides

9,7kg/km²

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

Protected areas8

IUCN V · 6IUCN IV · 1IUCN Not Assigned · 1
Complete list

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