Vallée de l'Orbieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
177 km²
Commune · FRA
Marcorignan
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 324
Observations
12 615
Area
5,6km²
Ecological tissue
Sample of 41 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 Marcorignan : 38 espèces + 3 bulles famille, 65 interactions GloBI documentées sur 4 types (connectance 7.9%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
65
Connectance
0.079
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
1 324 distinct species · 12 615 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
657mm
Warmest m°
29,0°C
Coldest m°
3,6°C
Elevation: 28 m on average (min 17 m, max 71 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,0°C
Annual rain
657mm
Warmest month
29,0°C
Coldest month
3,6°C
Mean alt.
28m
Min
17m
Max
71m
Std. dev.
11m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,7
Org. C
27,3g/kg
Clay
26,7%
Sand
32,9%
Silt
40,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Aude
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,6
Org. C
45,4g/kg
Clay
25,4%
Sand
33,3%
Silt
41,4%
5–15 cm
pH H₂O
7,8
Org. C
14,4g/kg
Clay
24,5%
Sand
34,2%
Silt
41,4%
15–30 cm
pH H₂O
7,8
Org. C
22,0g/kg
Clay
30,2%
Sand
31,3%
Silt
38,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.7%
Crops26.8%
Built-up2.4%
Bare soil4.5%
Other (grassland, water…)49.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
3,8km
Basins crossed
2
Max stream order
5
Max drainage
4 634km²
Discharge in basins
20,7m³/s
Mean precip.
643mm/an
Mean T°
14,7°C
Moisture idx
-0,37
Max snow
5%
Mean runoff
509mm/an
Mean elev. (basins)
44m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,5nW
Built-up
244,2%
Pesticides
42,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
Cours inférieur de l'Aude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
53 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.