Ontologia

Commune · FRA

Terssac

France

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

Species observed

1 190

Observations

11 604

Area

5,5km²

Ecological tissue

Sample of 37 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 Terssac : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 73 interactions GloBI documentées sur 4 types (connectance 11.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
73
Connectance
0.110
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

1 190 distinct species · 11 604 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 604 obs · 1 cellules
Obs. / cellule
≥ 11 604
11 604–11 603
11 604–11 603
11 604–11 603
< 11 604

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

Climate

Mean T°

13,4°C

Annual rain

785mm

Warmest m°

26,9°C

Coldest m°

2,2°C

Elevation: 156 m on average (min 153 m, max 179 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
785mm
Warmest month
26,9°C
Coldest month
2,2°C
Mean alt.
156m
Min
153m
Max
179m
Std. dev.
4m
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

7,2

Org. C

28,1g/kg

Clay

27,2%

Sand

31,4%

Silt

41,4%

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

Dominant lithology: ssGLiMaggregated to Tarn

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
46,1g/kg
Clay
25,9%
Sand
32,0%
Silt
42,2%
5–15 cm
pH H₂O
7,3
Org. C
18,1g/kg
Clay
26,5%
Sand
31,9%
Silt
41,7%
15–30 cm
pH H₂O
7,3
Org. C
20,1g/kg
Clay
29,3%
Sand
30,4%
Silt
40,4%

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

Land cover

Forest7.9%
Crops46.3%
Built-up3.7%
Bare soil1.3%
Other (grassland, water…)40.8%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

1

Max stream order

5

Max drainage

5 254km²

Discharge in basins

0,5m³/s

Mean precip.

749mm/an

Mean T°

12,7°C

Moisture idx

-0,24

Max snow

2%

Mean runoff

352mm/an

Mean elev. (basins)

258m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,3nW

Built-up

368,7%

Pesticides

45,6kg/km²

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

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.