Ontologia

Independent City · USA

Martinsville

United States

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

Species observed

640

Observations

19 193

Area

28,9km²

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 Martinsville : 24 espèces reliées par 70 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
70
Connectance
0.111
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

640 distinct species · 19 193 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 193 obs · 1 cellules
Obs. / cellule
≥ 19 193
19 193–19 192
19 193–19 192
19 193–19 192
< 19 193

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

Climate

Mean T°

14,5°C

Annual rain

1 121mm

Warmest m°

30,7°C

Coldest m°

-0,8°C

Elevation: 270 m on average (min 219 m, max 309 m)

Bioclimatic detailsExpert
Annual mean temp.
14,5°C
Annual rain
1 121mm
Warmest month
30,7°C
Coldest month
-0,8°C
Mean alt.
270m
Min
219m
Max
309m
Std. dev.
23m
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

5,2

Org. C

23,5g/kg

Clay

23,7%

Sand

43,1%

Silt

33,2%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
41,1g/kg
Clay
20,7%
Sand
45,3%
Silt
34,0%
5–15 cm
pH H₂O
5,2
Org. C
20,5g/kg
Clay
22,8%
Sand
43,8%
Silt
33,4%
15–30 cm
pH H₂O
5,2
Org. C
8,8g/kg
Clay
27,5%
Sand
40,4%
Silt
32,2%

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

Land cover

Forest48.3%
Crops0.8%
Built-up7.1%
Bare soil0.3%
Other (grassland, water…)43.5%

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

Hydrology1 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

5,4km

Lake surface here

0,10km²

Basins crossed

1

Max stream order

3

Max drainage

1 446km²

Discharge in basins

0,4m³/s

Mean precip.

1 173mm/an

Mean T°

12,9°C

Moisture idx

-0,03

Max snow

2%

Mean runoff

452mm/an

Mean elev. (basins)

369m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

10,6nW

Built-up

708,4%

Pesticides

0,7kg/km²

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