Commune · TCD
Dagal
Chad
Species observed
59
Observations
143
Area
7 798,5km²
Ecological tissue
Sample of 5 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).
Indicateurs du tissu écologique
Tissu écologique de Dagal : 4 espèces reliées par 5 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
59 distinct species · 143 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,0°C
Annual rain
685mm
Warmest m°
39,8°C
Coldest m°
17,8°C
Elevation: 462 m on average (min 429 m, max 678 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
8,3g/kg
Clay
28,4%
Sand
40,4%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Barh Azoum
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology25 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
98,2km
Lake surface here
0,51km²
Basins crossed
25
Max stream order
7
Max drainage
92 682km²
Discharge in basins
47,7m³/s
Mean precip.
742mm/an
Mean T°
27,8°C
Moisture idx
-0,66
Mean runoff
29mm/an
Mean elev. (basins)
460m
Watersheds crossing here
- Basin #54750sub-area1 752,2 km²overlap1745.34 km²22%
- Basin #54680sub-area1 027,9 km²overlap1023.85 km²13%
- Bassin de وادي أظوم Bahr Azoumsub-area1 465,2 km²overlap694.74 km²9%
- Basin #48570sub-area1 293,2 km²overlap637.13 km²8%
- Bassin de Bahr Tingasub-area2 438,7 km²overlap632.38 km²8%
- Basin #67730sub-area1 347,1 km²overlap512.98 km²7%
- Basin #71450sub-area712,2 km²overlap464.47 km²6%
- Basin #48580sub-area398,2 km²overlap363.55 km²5%
- Basin #84360sub-area1 435,1 km²overlap298.85 km²4%
16 more basinssorted by overlap
- Bassin de Tababiasub-area912,4 km²overlap229.86 km²3%
- Basin #35880sub-area233,2 km²overlap229.83 km²3%
- Basin #48410sub-area1 039,7 km²overlap219.31 km²3%
- Bassin de Bahr Sakaysub-area506,7 km²overlap159.73 km²2%
- Basin #99560sub-area1 026,3 km²overlap156.36 km²2%
- Basin #12400sub-area2 387 km²overlap104.54 km²1%
- Bassin de Bahr Sakaysub-area1 437,8 km²overlap103.29 km²1%
- Bassin de Ouadi Garatsub-area270,3 km²overlap72.11 km²1%
- Basin #66190sub-area690,3 km²overlap30.89 km²0%
- Bassin de وادي أظوم Bahr Azoumsub-area1 521,5 km²overlap28.11 km²0%
- Bassin de وادي أظوم Bahr Azoumsub-area919,8 km²overlap27.48 km²0%
- Bassin de Kitébilsub-area129,1 km²overlap21.21 km²0%
- Basin #48780sub-area20 km²overlap19.95 km²0%
- Basin #84370sub-area918,7 km²overlap8.74 km²0%
- Basin #99570sub-area1 391,1 km²overlap6.91 km²0%
- Basin #68040sub-area550,7 km²overlap5.44 km²0%
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
0,2%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)