Ontologia

Commune · FRA

Castres

France

CfaTemperate, no dry season, hot summer(96 %)

Species observed

3 807

Observations

68 492

Area

99,5km²

Ecological tissue

Sample of 42 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 : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 5 types (connectance 13.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
120
Connectance
0.139
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

3 807 distinct species · 68 492 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 492 obs · 8 cellules
Obs. / cellule
≥ 21 261
21 261–21 260
9 303–21 260
8 596–9 302
< 8 596

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

Climate

Mean T°

13,0°C

Annual rain

1 204mm

Warmest m°

26,1°C

Coldest m°

2,0°C

Elevation: 218 m on average (min 169 m, max 310 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
1 204mm
Warmest month
26,1°C
Coldest month
2,0°C
Mean alt.
218m
Min
169m
Max
310m
Std. dev.
32m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(96 %)Temperate

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

Soil & lithology

pH H₂O

7,1

Org. C

27,3g/kg

Clay

30,7%

Sand

27,0%

Silt

42,2%

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
7,0
Org. C
46,2g/kg
Clay
29,4%
Sand
27,6%
Silt
43,1%
5–15 cm
pH H₂O
7,1
Org. C
18,4g/kg
Clay
29,4%
Sand
27,2%
Silt
43,4%
15–30 cm
pH H₂O
7,1
Org. C
17,2g/kg
Clay
33,5%
Sand
26,4%
Silt
40,0%

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

Land cover

Forest16.2%
Crops40.5%
Built-up3.6%
Bare soil1.7%
Other (grassland, water…)38.0%

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

Hydrology4 basins · 1 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

31,0km

Lake surface here

0,07km²

Basins crossed

4

Max stream order

4

Max drainage

2 580km²

Discharge in basins

13,4m³/s

Mean precip.

782mm/an

Mean T°

12,3°C

Moisture idx

-0,18

Max snow

10%

Mean runoff

445mm/an

Mean elev. (basins)

363m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

2,3nW

Built-up

356,1%

Pesticides

45,3kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 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.