Ontologia

Commune · FRA

Nivillac

France

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

Species observed

1 331

Observations

12 324

Area

56,1km²

Ecological tissue

Sample of 36 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 Nivillac : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 6 types (connectance 15.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
113
Connectance
0.152
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

1 331 distinct species · 12 324 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 324 obs · 6 cellules
Obs. / cellule
≥ 2 624
2 624–2 623
2 548–2 623
2 198–2 547
< 2 198

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

Climate

Mean T°

12,1°C

Annual rain

878mm

Warmest m°

22,2°C

Coldest m°

3,5°C

Elevation: 36 m on average (min 8 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
12,1°C
Annual rain
878mm
Warmest month
22,2°C
Coldest month
3,5°C
Mean alt.
36m
Min
8m
Max
56m
Std. dev.
10m
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

5,9

Org. C

44,7g/kg

Clay

19,4%

Sand

32,6%

Silt

48,0%

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

Dominant lithology: paGLiMaggregated to Morbihan

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
68,6g/kg
Clay
18,6%
Sand
33,2%
Silt
48,1%
5–15 cm
pH H₂O
5,9
Org. C
39,3g/kg
Clay
19,7%
Sand
31,5%
Silt
48,9%
15–30 cm
pH H₂O
5,9
Org. C
26,2g/kg
Clay
20,0%
Sand
32,9%
Silt
47,0%

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

Land cover

Forest18.0%
Crops44.2%
Built-up1.1%
Bare soil0.3%
Other (grassland, water…)36.3%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

13,3km

Basins crossed

2

Max stream order

6

Max drainage

10 459km²

Discharge in basins

22,9m³/s

Mean precip.

811mm/an

Mean T°

11,4°C

Moisture idx

0,05

Max snow

6%

Mean runoff

542mm/an

Mean elev. (basins)

43m

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

113,5%

Pesticides

44,1kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1🌊 Marine · 3

Brière

IUCN V

Regional Nature Park · 1970

566 km²

Marais de Vilaine

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

109 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.