Ontologia

Commune · FRA

Marchiennes

France

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

Species observed

2 345

Observations

38 158

Area

21,8km²

Ecological tissue

Sample of 46 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 Marchiennes : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 141 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
141
Connectance
0.136
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

2 345 distinct species · 38 158 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 158 obs · 1 cellules
Obs. / cellule
≥ 38 158
38 158–38 157
38 158–38 157
38 158–38 157
< 38 158

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

766mm

Warmest m°

22,4°C

Coldest m°

1,1°C

Elevation: 19 m on average (min 17 m, max 25 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
766mm
Warmest month
22,4°C
Coldest month
1,1°C
Mean alt.
19m
Min
17m
Max
25m
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)

Soil & lithology

pH H₂O

6,9

Org. C

22,6g/kg

Clay

26,7%

Sand

24,9%

Silt

48,4%

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

Dominant lithology: smGLiMaggregated to Nord

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
33,8g/kg
Clay
26,9%
Sand
24,4%
Silt
48,7%
5–15 cm
pH H₂O
7,0
Org. C
18,7g/kg
Clay
27,1%
Sand
24,5%
Silt
48,5%
15–30 cm
pH H₂O
7,0
Org. C
15,3g/kg
Clay
26,1%
Sand
26,0%
Silt
47,9%

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

Land cover

Forest34.0%
Crops38.7%
Built-up1.2%
Bare soil0.4%
Other (grassland, water…)25.7%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,7km

Basins crossed

1

Max stream order

3

Max drainage

6 079km²

Discharge in basins

0,8m³/s

Mean precip.

715mm/an

Mean T°

10,1°C

Moisture idx

-0,02

Max snow

7%

Mean runoff

434mm/an

Mean elev. (basins)

35m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,1nW

Built-up

121,9%

Pesticides

49,2kg/km²

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

Protected areas7

IUCN Not Reported · 3IUCN IV · 3IUCN V · 1
Complete list

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.