marais de fechain
IUCN IVLand acquired by a regional conservatory of natural areas · 2013
0 km²
Commune · FRA
Fressies
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 245
Observations
10 067
Area
4,7km²
Ecological tissue
Sample of 44 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 Fressies : 26 espèces reliées par 114 interactions GloBI sur 5 types (connectance 10.5%, filtre Serrano α=0.2). 21 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
47
Interactions affichées
114
Connectance
0.105
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 245 distinct species · 10 067 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
756mm
Warmest m°
22,4°C
Coldest m°
0,8°C
Elevation: 51 m on average (min 38 m, max 69 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
756mm
Warmest month
22,4°C
Coldest month
0,8°C
Mean alt.
51m
Min
38m
Max
69m
Std. dev.
12m
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
20,4g/kg
Clay
27,5%
Sand
13,4%
Silt
59,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Nord
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
28,7g/kg
Clay
25,9%
Sand
13,5%
Silt
60,7%
5–15 cm
pH H₂O
7,4
Org. C
16,9g/kg
Clay
28,6%
Sand
12,2%
Silt
59,3%
15–30 cm
pH H₂O
7,4
Org. C
15,6g/kg
Clay
27,9%
Sand
14,3%
Silt
57,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.7%
Crops75.2%
Built-up1.1%
Bare soil0.8%
Other (grassland, water…)18.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
1 177km²
Discharge in basins
0,8m³/s
Mean precip.
672mm/an
Mean T°
10,0°C
Moisture idx
-0,11
Max snow
5%
Mean runoff
402mm/an
Mean elev. (basins)
54m
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
114,0%
Pesticides
48,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
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.