Ontologia

Subdivision · FRA

Castres-Nord

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 003

Observations

2 655

Area

4,5km²

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 Castres-Nord : 30 espèces reliées par 109 interactions GloBI sur 5 types (connectance 14.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
109
Connectance
0.147
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

1 003 distinct species · 2 655 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 655 obs · 1 cellules
Obs. / cellule
≥ 2 655
2 655–2 654
2 655–2 654
2 655–2 654
< 2 655

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

Climate

Mean T°

12,9°C

Annual rain

1 248mm

Warmest m°

25,9°C

Coldest m°

2,0°C

Elevation: 249 m on average (min 233 m, max 273 m)

Bioclimatic detailsExpert
Annual mean temp.
12,9°C
Annual rain
1 248mm
Warmest month
25,9°C
Coldest month
2,0°C
Mean alt.
249m
Min
233m
Max
273m
Std. dev.
9m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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

7,2

Org. C

25,8g/kg

Clay

30,5%

Sand

26,5%

Silt

42,9%

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

Dominant lithology: ssGLiMaggregated to Tarn

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
44,3g/kg
Clay
29,1%
Sand
27,1%
Silt
43,7%
5–15 cm
pH H₂O
7,4
Org. C
16,0g/kg
Clay
29,3%
Sand
26,5%
Silt
44,2%
15–30 cm
pH H₂O
7,3
Org. C
17,2g/kg
Clay
33,2%
Sand
25,9%
Silt
40,8%

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

Land cover

Forest5.9%
Crops73.3%
Built-up0.6%
Bare soil2.6%
Other (grassland, water…)17.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 580km²

Discharge in basins

1,4m³/s

Mean precip.

751mm/an

Mean T°

13,0°C

Moisture idx

-0,24

Max snow

1%

Mean runoff

401mm/an

Mean elev. (basins)

199m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

56,4%

Pesticides

44,3kg/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.