Ontologia

Commune · TCD

Salal

Chad

BWhArid, desert, hot(100 %)

Species observed

144

Observations

965

Area

41 642,3km²

Ecological tissue

Sample of 26 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 Salal : 23 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 2 types (connectance 8.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
27
Connectance
0.083
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

144 distinct species · 965 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

965 obs · 135 cellules
Obs. / cellule
≥ 49
14–48
9–13
5–8
< 5

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

Climate

Mean T°

28,0°C

Annual rain

122mm

Warmest m°

40,3°C

Coldest m°

13,2°C

Elevation: 288 m on average (min 254 m, max 319 m)

Bioclimatic detailsExpert
Annual mean temp.
28,0°C
Annual rain
122mm
Warmest month
40,3°C
Coldest month
13,2°C
Mean alt.
288m
Min
254m
Max
319m
Std. dev.
9m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

5,2g/kg

Clay

32,3%

Sand

37,9%

Silt

29,8%

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

Dominant lithology: suGLiMaggregated to Barh El Gazel

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
5,5g/kg
Clay
30,2%
Sand
39,2%
Silt
30,6%
5–15 cm
pH H₂O
7,7
Org. C
4,7g/kg
Clay
31,3%
Sand
38,5%
Silt
30,2%
15–30 cm
pH H₂O
7,7
Org. C
5,6g/kg
Clay
35,4%
Sand
35,8%
Silt
28,7%

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

Land cover

Forest0.8%
Crops4.3%
Built-up0.0%
Bare soil51.4%
Other (grassland, water…)43.5%

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

Hydrology94 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

135,6km

Basins crossed

94

Max stream order

6

Max drainage

129 009km²

Discharge in basins

233,4m³/s

Mean precip.

162mm/an

Mean T°

29,4°C

Moisture idx

-0,93

Mean runoff

9mm/an

Mean elev. (basins)

289m

Watersheds crossing here

85 more basins

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

Human pressure

Pop. density

0hab/km²

Built-up

0,0%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN IV · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN