Nana-Barya
IUCN IVFaunal Reserve · 1953
2 314 km²
Commune · TCD
Dembo
Chad
AwTropical, savannah(100 %)
Species observed
18
Observations
20
Area
880,4km²
Partial data for this territory
Few observations recorded here. Real biodiversity is likely richer.
Ecological tissue
Sample of 2 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 Dembo : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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
18 distinct species · 20 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,4°C
Annual rain
1 161mm
Warmest m°
37,8°C
Coldest m°
19,8°C
Elevation: 395 m on average (min 376 m, max 412 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,4°C
Annual rain
1 161mm
Warmest month
37,8°C
Coldest month
19,8°C
Mean alt.
395m
Min
376m
Max
412m
Std. dev.
8m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
14,1g/kg
Clay
27,6%
Sand
49,6%
Silt
22,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Barh Sara
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
20,8g/kg
Clay
26,5%
Sand
50,7%
Silt
22,8%
5–15 cm
pH H₂O
6,1
Org. C
14,7g/kg
Clay
26,9%
Sand
50,2%
Silt
22,9%
15–30 cm
pH H₂O
6,1
Org. C
6,8g/kg
Clay
29,2%
Sand
47,9%
Silt
22,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest40.5%
Crops6.6%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)52.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 2 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
95,9km
Lake surface here
0,20km²
Basins crossed
4
Max stream order
6
Max drainage
69 990km²
Discharge in basins
318,0m³/s
Mean precip.
1 106mm/an
Mean T°
26,6°C
Moisture idx
-0,47
Mean runoff
131mm/an
Mean elev. (basins)
390m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
7,9%
Pesticides
0,2kg/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