Ontologia

Commune · FRA

Marchais

France

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

Species observed

1 586

Observations

12 766

Area

15,7km²

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 Marchais : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 122 interactions GloBI sur 5 types (connectance 14.2%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
122
Connectance
0.142
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

1 586 distinct species · 12 766 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 766 obs · 1 cellules
Obs. / cellule
≥ 12 766
12 766–12 765
12 766–12 765
12 766–12 765
< 12 766

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

750mm

Warmest m°

22,9°C

Coldest m°

0,6°C

Elevation: 77 m on average (min 72 m, max 82 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
750mm
Warmest month
22,9°C
Coldest month
0,6°C
Mean alt.
77m
Min
72m
Max
82m
Std. dev.
4m
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

6,8

Org. C

19,4g/kg

Clay

28,0%

Sand

25,6%

Silt

46,3%

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

Dominant lithology: smGLiMaggregated to Aisne

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
29,6g/kg
Clay
27,0%
Sand
26,3%
Silt
46,7%
5–15 cm
pH H₂O
6,9
Org. C
15,0g/kg
Clay
28,0%
Sand
25,5%
Silt
46,6%
15–30 cm
pH H₂O
6,9
Org. C
13,5g/kg
Clay
29,2%
Sand
25,1%
Silt
45,7%

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

Land cover

Forest33.1%
Crops50.9%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)15.3%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,3km

Basins crossed

1

Max stream order

2

Max drainage

1 739km²

Discharge in basins

0,1m³/s

Mean precip.

709mm/an

Mean T°

9,7°C

Moisture idx

-0,09

Max snow

7%

Mean runoff

256mm/an

Mean elev. (basins)

126m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

40,6%

Pesticides

48,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Marais de la Souche

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2008

27 km²

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.