Prairies, Marais et bois alluviaux de la Bassée
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
8 km²
Commune · FRA
Marnay-sur-Seine
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 919
Observations
52 484
Area
9,9km²
Ecological tissue
Sample of 38 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 Marnay-sur-Seine : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 5 types (connectance 10.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
72
Connectance
0.102
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
1 919 distinct species · 52 484 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
681mm
Warmest m°
24,1°C
Coldest m°
0,7°C
Elevation: 71 m on average (min 65 m, max 105 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
681mm
Warmest month
24,1°C
Coldest month
0,7°C
Mean alt.
71m
Min
65m
Max
105m
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
6,8
Org. C
33,3g/kg
Clay
29,1%
Sand
25,5%
Silt
45,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Aube
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
55,8g/kg
Clay
27,5%
Sand
26,2%
Silt
46,3%
5–15 cm
pH H₂O
6,8
Org. C
28,6g/kg
Clay
29,8%
Sand
24,9%
Silt
45,3%
15–30 cm
pH H₂O
6,8
Org. C
15,5g/kg
Clay
30,1%
Sand
25,4%
Silt
44,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.3%
Crops54.3%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)17.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,1km
Basins crossed
1
Max stream order
5
Max drainage
10 268km²
Discharge in basins
0,4m³/s
Mean precip.
637mm/an
Mean T°
10,4°C
Moisture idx
-0,25
Max snow
5%
Mean runoff
210mm/an
Mean elev. (basins)
115m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,1nW
Built-up
41,9%
Pesticides
44,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 3IUCN Not Reported · 1
etang du grand mort
IUCN IVLand acquired by a regional conservatory of natural areas · 2017
0 km²
boisements et prairies humides au nord de marnay (parcelles grtgaz)
IUCN IVLand acquired by a regional conservatory of natural areas · 2016
0 km²
zones humides \'varennes et la ventuatte\'
IUCN IVLand acquired by a regional conservatory of natural areas · 2016
0 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.