Ontologia

Commune · FRA

Ollezy

France

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

Species observed

933

Observations

6 934

Area

5,2km²

Ecological tissue

Sample of 43 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 Ollezy : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 6 types (connectance 14.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
127
Connectance
0.141
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

933 distinct species · 6 934 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 934 obs · 1 cellules
Obs. / cellule
≥ 6 934
6 934–6 933
6 934–6 933
6 934–6 933
< 6 934

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

Climate

Mean T°

10,7°C

Annual rain

729mm

Warmest m°

22,7°C

Coldest m°

0,8°C

Elevation: 68 m on average (min 66 m, max 72 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
729mm
Warmest month
22,7°C
Coldest month
0,8°C
Mean alt.
68m
Min
66m
Max
72m
Std. dev.
2m
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

Forest8.0%
Crops81.7%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)9.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Basins crossed

1

Max stream order

1

Max drainage

1 804km²

Discharge in basins

0,1m³/s

Mean precip.

652mm/an

Mean T°

9,9°C

Moisture idx

-0,15

Max snow

5%

Mean runoff

337mm/an

Mean elev. (basins)

89m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

47,8%

Pesticides

49,0kg/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.