Dja
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1981
6 210 km²
Commune · CMR
Meyomessala
Cameroon
AwTropical, savannah(100 %)
Species observed
756
Observations
1 636
Area
2 202,4km²
Ecological tissue
Sample of 3 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 Meyomessala : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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
756 distinct species · 1 636 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,5°C
Annual rain
1 451mm
Warmest m°
30,1°C
Coldest m°
19,8°C
Elevation: 646 m on average (min 606 m, max 742 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,5°C
Annual rain
1 451mm
Warmest month
30,1°C
Coldest month
19,8°C
Mean alt.
646m
Min
606m
Max
742m
Std. dev.
15m
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
4,9
Org. C
23,4g/kg
Clay
39,5%
Sand
52,8%
Silt
7,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Dja et Lobo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,9
Org. C
45,9g/kg
Clay
34,8%
Sand
56,8%
Silt
8,3%
5–15 cm
pH H₂O
4,9
Org. C
16,7g/kg
Clay
38,3%
Sand
53,8%
Silt
7,9%
15–30 cm
pH H₂O
4,9
Org. C
7,6g/kg
Clay
45,3%
Sand
47,8%
Silt
6,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest90.6%
Crops0.3%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)8.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
314,1km
Basins crossed
11
Max stream order
6
Max drainage
13 534km²
Discharge in basins
233,7m³/s
Mean precip.
1 643mm/an
Mean T°
23,6°C
Moisture idx
0,04
Mean runoff
441mm/an
Mean elev. (basins)
671m
Watersheds crossing here
- Bassin de Libisub-area1 835,2 km²overlap853.20 km²39%
- Bassin de Lobosub-area872,9 km²overlap461.71 km²21%
- Bassin de Djasub-area673,8 km²overlap289.00 km²13%
- Bassin de Djasub-area424,3 km²overlap200.93 km²9%
- Bassin de Lobosub-area290,2 km²overlap143.48 km²7%
- Bassin de Lobosub-area599,4 km²overlap122.41 km²6%
- Bassin de Lobosub-area156 km²overlap117.93 km²5%
- Bassin de Djasub-area635,6 km²overlap9.60 km²0%
- Bassin de Djasub-area533,9 km²overlap2.60 km²0%
2 more basinssorted by overlap
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
17,4%
Pesticides
1,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Applicable · 2IUCN IV · 1
Dja Faunal Reserve
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1987
5 808 km²
Dja
IUCN IVWildlife Reserve · 2007
5 265 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN