Vallée de l'Orbieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
177 km²
Commune · FRA
Raissac-d'Aude
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 151
Observations
20 285
Area
6,7km²
Ecological tissue
Sample of 39 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 Raissac-d'Aude : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
77
Connectance
0.099
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
1 151 distinct species · 20 285 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
650mm
Warmest m°
29,0°C
Coldest m°
3,6°C
Elevation: 21 m on average (min 18 m, max 46 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,0°C
Annual rain
650mm
Warmest month
29,0°C
Coldest month
3,6°C
Mean alt.
21m
Min
18m
Max
46m
Std. dev.
3m
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
Forest12.0%
Crops38.9%
Built-up0.6%
Bare soil5.6%
Other (grassland, water…)42.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,3km
Lake surface here
0,61km²
Basins crossed
3
Max stream order
5
Max drainage
4 634km²
Discharge in basins
0,7m³/s
Mean precip.
708mm/an
Mean T°
13,5°C
Moisture idx
-0,27
Max snow
5%
Mean runoff
515mm/an
Mean elev. (basins)
225m
Watersheds crossing here
Lakes (1, top by area)
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
0,8nW
Built-up
59,9%
Pesticides
44,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 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.