Ontologia

Commune · FRA

Guer

France

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

Species observed

1 678

Observations

39 987

Area

52,2km²

Ecological tissue

Sample of 26 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 Guer : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 20.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
66
Connectance
0.203
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

1 678 distinct species · 39 987 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 987 obs · 6 cellules
Obs. / cellule
≥ 13 503
13 503–13 502
12 762–13 502
9 316–12 761
< 9 316

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

Climate

Mean T°

11,5°C

Annual rain

861mm

Warmest m°

22,6°C

Coldest m°

2,4°C

Elevation: 69 m on average (min 26 m, max 144 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
861mm
Warmest month
22,6°C
Coldest month
2,4°C
Mean alt.
69m
Min
26m
Max
144m
Std. dev.
23m
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

5,7

Org. C

41,9g/kg

Clay

21,8%

Sand

20,3%

Silt

57,9%

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
5,6
Org. C
64,8g/kg
Clay
19,9%
Sand
21,2%
Silt
58,9%
5–15 cm
pH H₂O
5,7
Org. C
37,8g/kg
Clay
21,8%
Sand
19,7%
Silt
58,5%
15–30 cm
pH H₂O
5,7
Org. C
23,1g/kg
Clay
23,7%
Sand
20,1%
Silt
56,3%

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

Land cover

Forest23.1%
Crops45.3%
Built-up1.6%
Bare soil0.3%
Other (grassland, water…)29.7%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

15,4km

Basins crossed

1

Max stream order

3

Max drainage

737km²

Discharge in basins

0,9m³/s

Mean precip.

771mm/an

Mean T°

11,1°C

Moisture idx

0,00

Max snow

7%

Mean runoff

526mm/an

Mean elev. (basins)

77m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

159,0%

Pesticides

46,9kg/km²

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

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.