Ontologia

Subdivision · FRA

Rennes-Sud-Ouest

France

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

Species observed

1 975

Observations

18 485

Area

19,6km²

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 Rennes-Sud-Ouest : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 125 interactions GloBI sur 5 types (connectance 15.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
125
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

1 975 distinct species · 18 485 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 485 obs · 1 cellules
Obs. / cellule
≥ 18 485
18 485–18 484
18 485–18 484
18 485–18 484
< 18 485

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

Climate

Mean T°

11,6°C

Annual rain

746mm

Warmest m°

22,8°C

Coldest m°

2,5°C

Elevation: 34 m on average (min 21 m, max 53 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
746mm
Warmest month
22,8°C
Coldest month
2,5°C
Mean alt.
34m
Min
21m
Max
53m
Std. dev.
8m
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

6,3

Org. C

33,9g/kg

Clay

20,9%

Sand

25,3%

Silt

53,7%

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

Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
55,3g/kg
Clay
18,9%
Sand
26,6%
Silt
54,5%
5–15 cm
pH H₂O
6,4
Org. C
25,0g/kg
Clay
20,9%
Sand
25,3%
Silt
53,8%
15–30 cm
pH H₂O
6,3
Org. C
21,3g/kg
Clay
23,0%
Sand
24,1%
Silt
52,9%

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

Land cover

Forest14.2%
Crops27.4%
Built-up6.8%
Bare soil0.6%
Other (grassland, water…)51.0%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

9,0km

Basins crossed

1

Max stream order

4

Max drainage

1 599km²

Discharge in basins

0,3m³/s

Mean precip.

736mm/an

Mean T°

11,0°C

Moisture idx

-0,07

Max snow

6%

Mean runoff

492mm/an

Mean elev. (basins)

88m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

8,7nW

Built-up

679,4%

Pesticides

45,3kg/km²

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

Sub-administrations2

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.