Ontologia

Commune · FRA

Crossac

France

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

Species observed

1 849

Observations

10 780

Area

26,4km²

Ecological tissue

Sample of 41 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 Crossac : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 5 types (connectance 12.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
110
Connectance
0.122
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

1 849 distinct species · 10 780 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 780 obs · 4 cellules
Obs. / cellule
≥ 4 600
4 600–4 599
2 693–4 599
2 693–2 692
< 2 693

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

Climate

Mean T°

12,3°C

Annual rain

808mm

Warmest m°

22,5°C

Coldest m°

3,7°C

Elevation: 5 m on average (min -0 m, max 17 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
808mm
Warmest month
22,5°C
Coldest month
3,7°C
Mean alt.
5m
Min
-0m
Max
17m
Std. dev.
4m
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

6,0

Org. C

55,5g/kg

Clay

19,1%

Sand

35,9%

Silt

45,0%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
84,7g/kg
Clay
19,6%
Sand
35,4%
Silt
44,9%
5–15 cm
pH H₂O
5,9
Org. C
51,0g/kg
Clay
18,9%
Sand
35,4%
Silt
45,7%
15–30 cm
pH H₂O
6,0
Org. C
30,7g/kg
Clay
18,8%
Sand
36,9%
Silt
44,3%

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

Land cover

Forest24.4%
Crops35.6%
Built-up1.2%
Bare soil0.6%
Other (grassland, water…)38.2%

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

Hydrology1 basins · 5 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,4km

Lake surface here

5,83km²

Basins crossed

1

Max stream order

2

Max drainage

1 138km²

Discharge in basins

0,0m³/s

Mean precip.

814mm/an

Mean T°

11,7°C

Moisture idx

0,04

Max snow

5%

Mean runoff

527mm/an

Mean elev. (basins)

16m

Watersheds crossing here

Lakes (5, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

119,4%

Pesticides

43,8kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN V · 1🌊 Marine · 1

Brière

IUCN V

Regional Nature Park · 1970

566 km²

Grande Briere

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1995

174 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.