Ontologia

Commune · FRA

Saint-Martin-Petit

France

CfbTemperate, no dry season, warm summer(60 %)

Species observed

784

Observations

4 650

Area

6,2km²

Ecological tissue

Sample of 28 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 Saint-Martin-Petit : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 56 interactions GloBI documentées sur 2 types (connectance 14.8%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
56
Connectance
0.148
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

784 distinct species · 4 650 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 650 obs · 1 cellules
Obs. / cellule
≥ 4 650
4 650–4 649
4 650–4 649
4 650–4 649
< 4 650

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

Climate

Mean T°

13,5°C

Annual rain

815mm

Warmest m°

26,7°C

Coldest m°

2,4°C

Elevation: 67 m on average (min 17 m, max 91 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
815mm
Warmest month
26,7°C
Coldest month
2,4°C
Mean alt.
67m
Min
17m
Max
91m
Std. dev.
25m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(60 %)Temperate

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

Soil & lithology

pH H₂O

6,7

Org. C

29,7g/kg

Clay

26,9%

Sand

34,3%

Silt

38,8%

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

Dominant lithology: suGLiMaggregated to Lot-et-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
52,7g/kg
Clay
25,6%
Sand
34,6%
Silt
39,8%
5–15 cm
pH H₂O
6,7
Org. C
18,7g/kg
Clay
26,4%
Sand
34,5%
Silt
39,1%
15–30 cm
pH H₂O
6,7
Org. C
17,6g/kg
Clay
28,7%
Sand
33,8%
Silt
37,4%

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

Land cover

Forest24.7%
Crops41.4%
Built-up1.6%
Bare soil1.5%
Other (grassland, water…)30.9%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

51 213km²

Discharge in basins

8,7m³/s

Mean precip.

873mm/an

Mean T°

12,5°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

391mm/an

Mean elev. (basins)

73m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

158,4%

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.