Ontologia

Commune · FRA

Tournon-Saint-Martin

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

2 698

Observations

42 319

Area

25,5km²

Ecological tissue

Sample of 34 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 Tournon-Saint-Martin : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
67
Connectance
0.101
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 698 distinct species · 42 319 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

42 319 obs · 3 cellules
Obs. / cellule
≥ 37 649
37 649–37 648
37 649–37 648
3 824–37 648
< 3 824

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

Climate

Mean T°

12,2°C

Annual rain

743mm

Warmest m°

25,0°C

Coldest m°

2,0°C

Elevation: 99 m on average (min 73 m, max 118 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
743mm
Warmest month
25,0°C
Coldest month
2,0°C
Mean alt.
99m
Min
73m
Max
118m
Std. dev.
10m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,6

Org. C

22,7g/kg

Clay

19,4%

Sand

40,2%

Silt

40,4%

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

Dominant lithology: scGLiMaggregated to Indre

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
38,1g/kg
Clay
18,8%
Sand
41,0%
Silt
40,1%
5–15 cm
pH H₂O
6,7
Org. C
15,9g/kg
Clay
18,6%
Sand
40,2%
Silt
41,1%
15–30 cm
pH H₂O
6,7
Org. C
13,9g/kg
Clay
20,9%
Sand
39,3%
Silt
39,9%

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

Land cover

Forest11.0%
Crops65.4%
Built-up0.9%
Bare soil0.7%
Other (grassland, water…)22.1%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

13,2km

Basins crossed

2

Max stream order

4

Max drainage

3 905km²

Discharge in basins

1,4m³/s

Mean precip.

763mm/an

Mean T°

11,4°C

Moisture idx

-0,14

Max snow

5%

Mean runoff

248mm/an

Mean elev. (basins)

120m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

86,4%

Pesticides

44,3kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN V · 1

Brenne

IUCN V

Regional Nature Park · 1989

1 832 km²

La Brenne

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1991

1 387 km²

Grande Brenne

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2010

581 km²

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

France-specific data (Phase 2)

ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.