Ontologia

Commune · FRA

Saint-Gervais-sur-Mare

France

CsbTemperate, dry summer, warm summer(65 %)

Species observed

2 099

Observations

25 403

Area

24,3km²

Ecological tissue

Sample of 25 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-Gervais-sur-Mare : 19 espèces reliées par 52 interactions GloBI sur 3 types (connectance 17.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
52
Connectance
0.173
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

2 099 distinct species · 25 403 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 403 obs · 1 cellules
Obs. / cellule
≥ 25 403
25 403–25 402
25 403–25 402
25 403–25 402
< 25 403

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

Climate

Mean T°

11,9°C

Annual rain

1 175mm

Warmest m°

25,5°C

Coldest m°

0,9°C

Elevation: 491 m on average (min 369 m, max 751 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
1 175mm
Warmest month
25,5°C
Coldest month
0,9°C
Mean alt.
491m
Min
369m
Max
751m
Std. dev.
110m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(65 %)Temperate

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

Soil & lithology

pH H₂O

6,5

Org. C

47,1g/kg

Clay

28,3%

Sand

33,6%

Silt

38,1%

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

Dominant lithology: scGLiMaggregated to Hérault

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
68,5g/kg
Clay
27,2%
Sand
34,2%
Silt
38,6%
5–15 cm
pH H₂O
6,5
Org. C
42,9g/kg
Clay
27,6%
Sand
34,1%
Silt
38,3%
15–30 cm
pH H₂O
6,5
Org. C
29,9g/kg
Clay
30,0%
Sand
32,5%
Silt
37,5%

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

Land cover

Forest66.7%
Crops11.4%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)21.1%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,8km

Basins crossed

1

Max stream order

2

Max drainage

1 806km²

Discharge in basins

0,0m³/s

Mean precip.

722mm/an

Mean T°

12,9°C

Moisture idx

-0,26

Max snow

5%

Mean runoff

585mm/an

Mean elev. (basins)

346m

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

35,6%

Pesticides

21,8kg/km²

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

Protected areas3

IUCN V · 2IUCN Not Reported · 1

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.