Ontologia

Commune · TCD

Guergne

Chad

BShArid, steppe, hot(100 %)

Species observed

46

Observations

46

Area

1 000,1km²

Ecological tissue

Sample of 6 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 Guergne : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

46 distinct species · 46 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 obs · 7 cellules
Obs. / cellule
≥ 22
22–21
4–21
2–3
< 2

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

Climate

Mean T°

25,5°C

Annual rain

501mm

Warmest m°

36,9°C

Coldest m°

13,9°C

Elevation: 848 m on average (min 728 m, max 942 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
501mm
Warmest month
36,9°C
Coldest month
13,9°C
Mean alt.
848m
Min
728m
Max
942m
Std. dev.
39m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

6,9

Org. C

7,5g/kg

Clay

24,6%

Sand

52,5%

Silt

22,9%

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

Dominant lithology: ssGLiMaggregated to Assoungha

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
8,5g/kg
Clay
22,7%
Sand
53,8%
Silt
23,5%
5–15 cm
pH H₂O
6,9
Org. C
7,9g/kg
Clay
23,8%
Sand
53,1%
Silt
23,2%
15–30 cm
pH H₂O
7,0
Org. C
6,0g/kg
Clay
27,2%
Sand
50,7%
Silt
22,1%

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

Land cover

Forest3.2%
Crops42.2%
Built-up0.2%
Bare soil3.1%
Other (grassland, water…)51.3%

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

Hydrology9 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

68,5km

Lake surface here

0,25km²

Basins crossed

9

Max stream order

4

Max drainage

38 470km²

Discharge in basins

3,3m³/s

Mean precip.

509mm/an

Mean T°

25,9°C

Moisture idx

-0,76

Mean runoff

22mm/an

Mean elev. (basins)

818m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

18,8%

Pesticides

0,1kg/km²

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