Ontologia

Commune · FRA

La Roche-Bernard

France

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

Species observed

477

Observations

2 198

Area

0,5km²

Ecological tissue

Sample of 34 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 La Roche-Bernard : 23 espèces reliées par 94 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
94
Connectance
0.168
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

477 distinct species · 2 198 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 198 obs · 1 cellules
Obs. / cellule
≥ 2 198
2 198–2 197
2 198–2 197
2 198–2 197
< 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°

12,2°C

Annual rain

873mm

Warmest m°

22,0°C

Coldest m°

3,8°C

Elevation: 29 m on average (min 20 m, max 35 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
873mm
Warmest month
22,0°C
Coldest month
3,8°C
Mean alt.
29m
Min
20m
Max
35m
Std. dev.
3m
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)

Land cover

Forest18.6%
Crops2.9%
Built-up12.2%
Bare soil0.3%
Other (grassland, water…)66.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,1km

Basins crossed

1

Max stream order

6

Max drainage

10 459km²

Discharge in basins

0,2m³/s

Mean precip.

811mm/an

Mean T°

11,4°C

Moisture idx

0,05

Max snow

6%

Mean runoff

543mm/an

Mean elev. (basins)

45m

Watersheds crossing here

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

Human pressure

Pop. density

9hab/km²

Night light

3,0nW

Built-up

1 222,3%

Pesticides

43,1kg/km²

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

Protected areas4

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

Brière

IUCN V

Regional Nature Park · 1970

566 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.