Ontologia

Subdivision · FRA

La Rochelle 8e Canton

France

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

Species observed

2 601

Observations

101 054

Area

29,8km²

Ecological tissue

Sample of 42 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 Rochelle 8e Canton : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
103
Connectance
0.120
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

2 601 distinct species · 101 054 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

101 054 obs · 4 cellules
Obs. / cellule
≥ 53 079
53 079–53 078
18 687–53 078
18 687–18 686
< 18 687

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

Climate

Mean T°

13,0°C

Annual rain

799mm

Warmest m°

23,9°C

Coldest m°

3,8°C

Elevation: 19 m on average (min 6 m, max 31 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
799mm
Warmest month
23,9°C
Coldest month
3,8°C
Mean alt.
19m
Min
6m
Max
31m
Std. dev.
6m
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

7,3

Org. C

34,1g/kg

Clay

34,0%

Sand

18,0%

Silt

48,0%

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

Dominant lithology: suGLiMaggregated to Charente-Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
56,0g/kg
Clay
33,7%
Sand
18,0%
Silt
48,3%
5–15 cm
pH H₂O
7,3
Org. C
25,1g/kg
Clay
34,3%
Sand
16,6%
Silt
49,1%
15–30 cm
pH H₂O
7,4
Org. C
21,3g/kg
Clay
34,0%
Sand
19,5%
Silt
46,5%

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

Land cover

Forest2.1%
Crops55.2%
Built-up6.2%
Bare soil0.8%
Other (grassland, water…)35.7%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,1km

Basins crossed

2

Max stream order

1

Max drainage

457km²

Discharge in basins

0,2m³/s

Mean precip.

780mm/an

Mean T°

12,6°C

Moisture idx

-0,05

Max snow

4%

Mean runoff

520mm/an

Mean elev. (basins)

13m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

2,3nW

Built-up

619,7%

Pesticides

41,3kg/km²

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

Sub-administrations1

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.