Ontologia

Commune · FRA

Assignan

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

870

Observations

5 675

Area

8,3km²

Ecological tissue

Sample of 40 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 Assignan : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 6 types (connectance 10.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
78
Connectance
0.100
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

870 distinct species · 5 675 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 675 obs · 1 cellules
Obs. / cellule
≥ 5 675
5 675–5 674
5 675–5 674
5 675–5 674
< 5 675

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

873mm

Warmest m°

27,0°C

Coldest m°

2,3°C

Elevation: 267 m on average (min 216 m, max 336 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
873mm
Warmest month
27,0°C
Coldest month
2,3°C
Mean alt.
267m
Min
216m
Max
336m
Std. dev.
19m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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

6,6

Org. C

43,3g/kg

Clay

30,8%

Sand

30,2%

Silt

39,0%

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
75,4g/kg
Clay
29,7%
Sand
30,7%
Silt
39,6%
5–15 cm
pH H₂O
6,6
Org. C
31,7g/kg
Clay
28,9%
Sand
30,8%
Silt
40,3%
15–30 cm
pH H₂O
6,6
Org. C
22,9g/kg
Clay
33,7%
Sand
29,2%
Silt
37,1%

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

Land cover

Forest40.9%
Crops7.7%
Built-up0.5%
Bare soil3.4%
Other (grassland, water…)47.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 806km²

Discharge in basins

0,1m³/s

Mean precip.

733mm/an

Mean T°

12,8°C

Moisture idx

-0,24

Max snow

6%

Mean runoff

554mm/an

Mean elev. (basins)

358m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

53,4%

Pesticides

42,2kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

Minervois

IUCN Not Reported

Special Protection Area (Birds Directive) · 2020

249 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.