Ontologia

Subdivision · FRA

Carcassonne 2e Canton-Nord

France

CfaTemperate, no dry season, hot summer(83 %)

Species observed

1 791

Observations

11 449

Area

18km²

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 Carcassonne 2e Canton-Nord : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 107 interactions GloBI sur 5 types (connectance 13.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
107
Connectance
0.131
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

1 791 distinct species · 11 449 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 449 obs · 1 cellules
Obs. / cellule
≥ 11 449
11 449–11 448
11 449–11 448
11 449–11 448
< 11 449

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,7°C

Annual rain

738mm

Warmest m°

27,2°C

Coldest m°

2,7°C

Elevation: 131 m on average (min 107 m, max 171 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
738mm
Warmest month
27,2°C
Coldest month
2,7°C
Mean alt.
131m
Min
107m
Max
171m
Std. dev.
17m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(83 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,4

Org. C

32,4g/kg

Clay

31,1%

Sand

27,0%

Silt

41,8%

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

Dominant lithology: scGLiMaggregated to Aude

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
58,9g/kg
Clay
30,3%
Sand
27,5%
Silt
42,2%
5–15 cm
pH H₂O
7,4
Org. C
20,5g/kg
Clay
30,3%
Sand
27,1%
Silt
42,5%
15–30 cm
pH H₂O
7,4
Org. C
17,9g/kg
Clay
32,8%
Sand
26,5%
Silt
40,8%

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

Land cover

Forest10.3%
Crops37.2%
Built-up1.6%
Bare soil4.9%
Other (grassland, water…)46.0%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,1km

Basins crossed

2

Max stream order

4

Max drainage

2 867km²

Discharge in basins

1,2m³/s

Mean precip.

773mm/an

Mean T°

12,7°C

Moisture idx

-0,19

Max snow

2%

Mean runoff

450mm/an

Mean elev. (basins)

274m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

161,7%

Pesticides

44,1kg/km²

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

Sub-administrations1

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.